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2dc7c3c16d
885113 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
William Breathitt Gray
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2dc7c3c16d |
gpio: pci-idio-16: utilize for_each_set_clump8 macro
Replace verbose implementation in get_multiple/set_multiple callbacks with for_each_set_clump8 macro to simplify code and improve clarity. Link: http://lkml.kernel.org/r/b30f131b4634caf5a70f12e01496f71631a17305.1570641097.git.vilhelm.gray@gmail.com Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Bartosz Golaszewski <bgolaszewski@baylibre.com> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Geert Uytterhoeven <geert+renesas@glider.be> Cc: Lukas Wunner <lukas@wunner.de> Cc: Masahiro Yamada <yamada.masahiro@socionext.com> Cc: Mathias Duckeck <m.duckeck@kunbus.de> Cc: Morten Hein Tiljeset <morten.tiljeset@prevas.dk> Cc: Phil Reid <preid@electromag.com.au> Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk> Cc: Sean Nyekjaer <sean.nyekjaer@prevas.dk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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William Breathitt Gray
|
acebb82fe9 |
gpio: ws16c48: utilize for_each_set_clump8 macro
Replace verbose implementation in get_multiple/set_multiple callbacks with for_each_set_clump8 macro to simplify code and improve clarity. Link: http://lkml.kernel.org/r/7a0d2c964e7f2d289b16c63ff6b06fc1f4c50d4d.1570641097.git.vilhelm.gray@gmail.com Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Bartosz Golaszewski <bgolaszewski@baylibre.com> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Geert Uytterhoeven <geert+renesas@glider.be> Cc: Lukas Wunner <lukas@wunner.de> Cc: Masahiro Yamada <yamada.masahiro@socionext.com> Cc: Mathias Duckeck <m.duckeck@kunbus.de> Cc: Morten Hein Tiljeset <morten.tiljeset@prevas.dk> Cc: Phil Reid <preid@electromag.com.au> Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk> Cc: Sean Nyekjaer <sean.nyekjaer@prevas.dk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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William Breathitt Gray
|
b0f49e9b9e |
gpio: gpio-mm: utilize for_each_set_clump8 macro
Replace verbose implementation in get_multiple/set_multiple callbacks with for_each_set_clump8 macro to simplify code and improve clarity. Link: http://lkml.kernel.org/r/0de53d7021b2d6db10294473cd8a1b6102bcec94.1570641097.git.vilhelm.gray@gmail.com Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Bartosz Golaszewski <bgolaszewski@baylibre.com> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Geert Uytterhoeven <geert+renesas@glider.be> Cc: Lukas Wunner <lukas@wunner.de> Cc: Masahiro Yamada <yamada.masahiro@socionext.com> Cc: Mathias Duckeck <m.duckeck@kunbus.de> Cc: Morten Hein Tiljeset <morten.tiljeset@prevas.dk> Cc: Phil Reid <preid@electromag.com.au> Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk> Cc: Sean Nyekjaer <sean.nyekjaer@prevas.dk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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William Breathitt Gray
|
9bfcce0db3 |
gpio: 104-idi-48: utilize for_each_set_clump8 macro
Replace verbose implementation in get_multiple/set_multiple callbacks with for_each_set_clump8 macro to simplify code and improve clarity. Link: http://lkml.kernel.org/r/b0631b6d489f85008480399df283ccd33ecfe310.1570641097.git.vilhelm.gray@gmail.com Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Bartosz Golaszewski <bgolaszewski@baylibre.com> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Geert Uytterhoeven <geert+renesas@glider.be> Cc: Lukas Wunner <lukas@wunner.de> Cc: Masahiro Yamada <yamada.masahiro@socionext.com> Cc: Mathias Duckeck <m.duckeck@kunbus.de> Cc: Morten Hein Tiljeset <morten.tiljeset@prevas.dk> Cc: Phil Reid <preid@electromag.com.au> Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk> Cc: Sean Nyekjaer <sean.nyekjaer@prevas.dk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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William Breathitt Gray
|
f70dad5d4c |
gpio: 104-dio-48e: utilize for_each_set_clump8 macro
Replace verbose implementation in get_multiple/set_multiple callbacks with for_each_set_clump8 macro to simplify code and improve clarity. Link: http://lkml.kernel.org/r/08b9c9a3e75ef1ab0d172223d10a1661f2b43fe2.1570641097.git.vilhelm.gray@gmail.com Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Bartosz Golaszewski <bgolaszewski@baylibre.com> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Geert Uytterhoeven <geert+renesas@glider.be> Cc: Lukas Wunner <lukas@wunner.de> Cc: Masahiro Yamada <yamada.masahiro@socionext.com> Cc: Mathias Duckeck <m.duckeck@kunbus.de> Cc: Morten Hein Tiljeset <morten.tiljeset@prevas.dk> Cc: Phil Reid <preid@electromag.com.au> Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk> Cc: Sean Nyekjaer <sean.nyekjaer@prevas.dk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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William Breathitt Gray
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e4aa168de8 |
lib/test_bitmap.c: add for_each_set_clump8 test cases
The introduction of the for_each_set_clump8 macro warrants test cases to verify the implementation. This patch adds test case checks for whether an out-of-bounds clump index is returned, a zero clump is returned, or the returned clump value differs from the expected clump value. Link: http://lkml.kernel.org/r/febc0fb8151e3e3fdd61c34da9193d1c4d7e6c12.1570641097.git.vilhelm.gray@gmail.com Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Tested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Bartosz Golaszewski <bgolaszewski@baylibre.com> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Geert Uytterhoeven <geert+renesas@glider.be> Cc: Lukas Wunner <lukas@wunner.de> Cc: Masahiro Yamada <yamada.masahiro@socionext.com> Cc: Mathias Duckeck <m.duckeck@kunbus.de> Cc: Morten Hein Tiljeset <morten.tiljeset@prevas.dk> Cc: Phil Reid <preid@electromag.com.au> Cc: Sean Nyekjaer <sean.nyekjaer@prevas.dk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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William Breathitt Gray
|
169c474fb2 |
bitops: introduce the for_each_set_clump8 macro
Pach series "Introduce the for_each_set_clump8 macro", v18.
While adding GPIO get_multiple/set_multiple callback support for various
drivers, I noticed a pattern of looping manifesting that would be useful
standardized as a macro.
This patchset introduces the for_each_set_clump8 macro and utilizes it
in several GPIO drivers. The for_each_set_clump macro8 facilitates a
for-loop syntax that iterates over a memory region entire groups of set
bits at a time.
For example, suppose you would like to iterate over a 32-bit integer 8
bits at a time, skipping over 8-bit groups with no set bit, where
XXXXXXXX represents the current 8-bit group:
Example: 10111110 00000000 11111111 00110011
First loop: 10111110 00000000 11111111 XXXXXXXX
Second loop: 10111110 00000000 XXXXXXXX 00110011
Third loop: XXXXXXXX 00000000 11111111 00110011
Each iteration of the loop returns the next 8-bit group that has at
least one set bit.
The for_each_set_clump8 macro has four parameters:
* start: set to the bit offset of the current clump
* clump: set to the current clump value
* bits: bitmap to search within
* size: bitmap size in number of bits
In this version of the patchset, the for_each_set_clump macro has been
reimplemented and simplified based on the suggestions provided by Rasmus
Villemoes and Andy Shevchenko in the version 4 submission.
In particular, the function of the for_each_set_clump macro has been
restricted to handle only 8-bit clumps; the drivers that use the
for_each_set_clump macro only handle 8-bit ports so a generic
for_each_set_clump implementation is not necessary. Thus, a solution
for large clumps (i.e. those larger than the width of a bitmap word)
can be postponed until a driver appears that actually requires such a
generic for_each_set_clump implementation.
For what it's worth, a semi-generic for_each_set_clump (i.e. for clumps
smaller than the width of a bitmap word) can be implemented by simply
replacing the hardcoded '8' and '0xFF' instances with respective
variables. I have not yet had a need for such an implementation, and
since it falls short of a true generic for_each_set_clump function, I
have decided to forgo such an implementation for now.
In addition, the bitmap_get_value8 and bitmap_set_value8 functions are
introduced to get and set 8-bit values respectively. Their use is based
on the behavior suggested in the patchset version 4 review.
This patch (of 14):
This macro iterates for each 8-bit group of bits (clump) with set bits,
within a bitmap memory region. For each iteration, "start" is set to
the bit offset of the found clump, while the respective clump value is
stored to the location pointed by "clump". Additionally, the
bitmap_get_value8 and bitmap_set_value8 functions are introduced to
respectively get and set an 8-bit value in a bitmap memory region.
[gustavo@embeddedor.com: fix potential sign-extension overflow]
Link: http://lkml.kernel.org/r/20191015184657.GA26541@embeddedor
[akpm@linux-foundation.org: s/ULL/UL/, per Joe]
[vilhelm.gray@gmail.com: add for_each_set_clump8 documentation]
Link: http://lkml.kernel.org/r/20191016161825.301082-1-vilhelm.gray@gmail.com
Link: http://lkml.kernel.org/r/893c3b4f03266c9496137cc98ac2b1bd27f92c73.1570641097.git.vilhelm.gray@gmail.com
Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com>
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Suggested-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Suggested-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Suggested-by: Lukas Wunner <lukas@wunner.de>
Tested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Phil Reid <preid@electromag.com.au>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Mathias Duckeck <m.duckeck@kunbus.de>
Cc: Morten Hein Tiljeset <morten.tiljeset@prevas.dk>
Cc: Sean Nyekjaer <sean.nyekjaer@prevas.dk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Joe Perches
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5e1aada08c |
kernel/sys.c: avoid copying possible padding bytes in copy_to_user
Initialization is not guaranteed to zero padding bytes so use an explicit memset instead to avoid leaking any kernel content in any possible padding bytes. Link: http://lkml.kernel.org/r/dfa331c00881d61c8ee51577a082d8bebd61805c.camel@perches.com Signed-off-by: Joe Perches <joe@perches.com> Cc: Dan Carpenter <error27@gmail.com> Cc: Julia Lawall <julia.lawall@lip6.fr> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Kees Cook <keescook@chromium.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Nathan Chancellor
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ef70eff9de |
kernel/profile.c: use cpumask_available to check for NULL cpumask
When building with clang + -Wtautological-pointer-compare, these
instances pop up:
kernel/profile.c:339:6: warning: comparison of array 'prof_cpu_mask' not equal to a null pointer is always true [-Wtautological-pointer-compare]
if (prof_cpu_mask != NULL)
^~~~~~~~~~~~~ ~~~~
kernel/profile.c:376:6: warning: comparison of array 'prof_cpu_mask' not equal to a null pointer is always true [-Wtautological-pointer-compare]
if (prof_cpu_mask != NULL)
^~~~~~~~~~~~~ ~~~~
kernel/profile.c:406:26: warning: comparison of array 'prof_cpu_mask' not equal to a null pointer is always true [-Wtautological-pointer-compare]
if (!user_mode(regs) && prof_cpu_mask != NULL &&
^~~~~~~~~~~~~ ~~~~
3 warnings generated.
This can be addressed with the cpumask_available helper, introduced in
commit
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Xiaoming Ni
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260a2679e5 |
kernel/notifier.c: remove blocking_notifier_chain_cond_register()
blocking_notifier_chain_cond_register() does not consider system_booting state, which is the only difference between this function and blocking_notifier_cain_register(). This can be a bug and is a piece of duplicate code. Delete blocking_notifier_chain_cond_register() Link: http://lkml.kernel.org/r/1568861888-34045-4-git-send-email-nixiaoming@huawei.com Signed-off-by: Xiaoming Ni <nixiaoming@huawei.com> Reviewed-by: Andrew Morton <akpm@linux-foundation.org> Cc: Alan Stern <stern@rowland.harvard.edu> Cc: Alexey Dobriyan <adobriyan@gmail.com> Cc: Andy Lutomirski <luto@kernel.org> Cc: Anna Schumaker <anna.schumaker@netapp.com> Cc: Arjan van de Ven <arjan@linux.intel.com> Cc: Chuck Lever <chuck.lever@oracle.com> Cc: David S. Miller <davem@davemloft.net> Cc: Ingo Molnar <mingo@kernel.org> Cc: J. Bruce Fields <bfields@fieldses.org> Cc: Jeff Layton <jlayton@kernel.org> Cc: Nadia Derbey <Nadia.Derbey@bull.net> Cc: "Paul E. McKenney" <paulmck@kernel.org> Cc: Sam Protsenko <semen.protsenko@linaro.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Trond Myklebust <trond.myklebust@hammerspace.com> Cc: Vasily Averin <vvs@virtuozzo.com> Cc: Viresh Kumar <viresh.kumar@linaro.org> Cc: YueHaibing <yuehaibing@huawei.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Xiaoming Ni
|
5adaabb65a |
kernel/notifier.c: remove notifier_chain_cond_register()
The only difference between notifier_chain_cond_register() and notifier_chain_register() is the lack of warning hints for duplicate registrations. Use notifier_chain_register() instead of notifier_chain_cond_register() to avoid duplicate code Link: http://lkml.kernel.org/r/1568861888-34045-3-git-send-email-nixiaoming@huawei.com Signed-off-by: Xiaoming Ni <nixiaoming@huawei.com> Reviewed-by: Andrew Morton <akpm@linux-foundation.org> Cc: Alan Stern <stern@rowland.harvard.edu> Cc: Alexey Dobriyan <adobriyan@gmail.com> Cc: Andy Lutomirski <luto@kernel.org> Cc: Anna Schumaker <anna.schumaker@netapp.com> Cc: Arjan van de Ven <arjan@linux.intel.com> Cc: Chuck Lever <chuck.lever@oracle.com> Cc: David S. Miller <davem@davemloft.net> Cc: Ingo Molnar <mingo@kernel.org> Cc: J. Bruce Fields <bfields@fieldses.org> Cc: Jeff Layton <jlayton@kernel.org> Cc: Nadia Derbey <Nadia.Derbey@bull.net> Cc: "Paul E. McKenney" <paulmck@kernel.org> Cc: Sam Protsenko <semen.protsenko@linaro.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Trond Myklebust <trond.myklebust@hammerspace.com> Cc: Vasily Averin <vvs@virtuozzo.com> Cc: Viresh Kumar <viresh.kumar@linaro.org> Cc: YueHaibing <yuehaibing@huawei.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Xiaoming Ni
|
1a50cb80f2 |
kernel/notifier.c: intercept duplicate registrations to avoid infinite loops
Registering the same notifier to a hook repeatedly can cause the hook
list to form a ring or lose other members of the list.
case1: An infinite loop in notifier_chain_register() can cause soft lockup
atomic_notifier_chain_register(&test_notifier_list, &test1);
atomic_notifier_chain_register(&test_notifier_list, &test1);
atomic_notifier_chain_register(&test_notifier_list, &test2);
case2: An infinite loop in notifier_chain_register() can cause soft lockup
atomic_notifier_chain_register(&test_notifier_list, &test1);
atomic_notifier_chain_register(&test_notifier_list, &test1);
atomic_notifier_call_chain(&test_notifier_list, 0, NULL);
case3: lose other hook test2
atomic_notifier_chain_register(&test_notifier_list, &test1);
atomic_notifier_chain_register(&test_notifier_list, &test2);
atomic_notifier_chain_register(&test_notifier_list, &test1);
case4: Unregister returns 0, but the hook is still in the linked list,
and it is not really registered. If you call
notifier_call_chain after ko is unloaded, it will trigger oops.
If the system is configured with softlockup_panic and the same hook is
repeatedly registered on the panic_notifier_list, it will cause a loop
panic.
Add a check in notifier_chain_register(), intercepting duplicate
registrations to avoid infinite loops
Link: http://lkml.kernel.org/r/1568861888-34045-2-git-send-email-nixiaoming@huawei.com
Signed-off-by: Xiaoming Ni <nixiaoming@huawei.com>
Reviewed-by: Vasily Averin <vvs@virtuozzo.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Anna Schumaker <anna.schumaker@netapp.com>
Cc: Arjan van de Ven <arjan@linux.intel.com>
Cc: J. Bruce Fields <bfields@fieldses.org>
Cc: Chuck Lever <chuck.lever@oracle.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Jeff Layton <jlayton@kernel.org>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Nadia Derbey <Nadia.Derbey@bull.net>
Cc: "Paul E. McKenney" <paulmck@kernel.org>
Cc: Sam Protsenko <semen.protsenko@linaro.org>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Trond Myklebust <trond.myklebust@hammerspace.com>
Cc: Viresh Kumar <viresh.kumar@linaro.org>
Cc: Xiaoming Ni <nixiaoming@huawei.com>
Cc: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Andy Shevchenko
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d717e7da45 |
auxdisplay: charlcd: deduplicate simple_strtoul()
Like in commit
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Andy Shevchenko
|
885e68e8b7 |
kernel.h: update comment about simple_strto<foo>() functions
There were discussions in the past about use cases for simple_strto<foo>() functions and, in some rare cases, they have a benefit over kstrto<foo>() ones. Update a comment to reduce confusion about special use cases. Link: http://lkml.kernel.org/r/20190801192904.41087-1-andriy.shevchenko@linux.intel.com Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Suggested-by: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com> Cc: Geert Uytterhoeven <geert+renesas@glider.be> Cc: Mans Rullgard <mans@mansr.com> Cc: Petr Mladek <pmladek@suse.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Joe Perches
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2f5bd34369 |
scripts/get_maintainer.pl: add signatures from Fixes: <badcommit> lines in commit message
A Fixes: lines in a commit message generally indicate that a previous commit was inadequate for whatever reason. The signers of the previous inadequate commit should also be cc'd on this new commit so update get_maintainer to find the old commit and add the original signers. Link: http://lkml.kernel.org/r/33605b9fc0e0f711236951ae84185a6218acff4f.camel@perches.com Signed-off-by: Joe Perches <joe@perches.com> Suggested-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Kees Cook <keescook@chromium.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Krzysztof Kozlowski
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24b54fee10 |
arch/Kconfig: fix indentation
Adjust indentation from spaces to tab (+optional two spaces) as in coding style with command like: $ sed -e 's/^ / /' -i */Kconfig Link: http://lkml.kernel.org/r/1574306573-10886-1-git-send-email-krzk@kernel.org Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Cc: David Hildenbrand <david@redhat.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jiri Kosina <trivial@kernel.org> Cc: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Masahiro Yamada
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1a18374fc3 |
linux/scc.h: make uapi linux/scc.h self-contained
Userspace cannot compile <linux/scc.h>
CC usr/include/linux/scc.h.s
In file included from <command-line>:32:0:
usr/include/linux/scc.h:20:20: error: `SIOCDEVPRIVATE' undeclared here (not in a function)
SIOCSCCRESERVED = SIOCDEVPRIVATE,
^~~~~~~~~~~~~~
Include <linux/sockios.h> to make it self-contained, and add it to the
compile-test coverage.
Link: http://lkml.kernel.org/r/20191108055809.26969-1-yamada.masahiro@socionext.com
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
|
||
|
Rikard Falkeborn
|
8788994376 |
linux/build_bug.h: change type to int
Having BUILD_BUG_ON_ZERO produce a value of type size_t leads to awkward casts in cases where the result needs to be signed, or of smaller type than size_t. To avoid this, cast the value to int instead and rely on implicit type conversions when a larger or unsigned type is needed. Link: http://lkml.kernel.org/r/20190811184938.1796-3-rikard.falkeborn@gmail.com Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com> Suggested-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Kees Cook <keescook@chromium.org> Reviewed-by: Masahiro Yamada <yamada.masahiro@socionext.com> Cc: Joe Perches <joe@perches.com> Cc: Johannes Berg <johannes@sipsolutions.net> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: Borislav Petkov <bp@alien8.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Stephen Boyd
|
a512ae54ce |
.gitattributes: use 'dts' diff driver for dts files
Git is gaining support to display the closest node to the diff in the
hunk header via the 'dts' diff driver. Use that driver for all dts and
dtsi files so we can gain some more context on where the diff is.
Taking a recent commit in the kernel dts files you can see the
difference.
With this patch and an updated git
: diff --git a/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi b/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi
: index 62e07e1197cc..4c38426a6969 100644
: --- a/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi
: +++ b/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi
: @@ -289,5 +289,29 @@ vdd_hdmi: regulator@1 {
: gpio = <&gpio TEGRA194_MAIN_GPIO(A, 3) GPIO_ACTIVE_HIGH>;
: enable-active-high;
: };
: +
: + vdd_3v3_pcie: regulator@2 {
: + compatible = "regulator-fixed";
vs. without this patch
: diff --git a/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi b/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi
: index 62e07e1197cc..4c38426a6969 100644
: --- a/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi
: +++ b/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi
: @@ -289,5 +289,29 @@
: gpio = <&gpio TEGRA194_MAIN_GPIO(A, 3) GPIO_ACTIVE_HIGH>;
: enable-active-high;
: };
: +
: + vdd_3v3_pcie: regulator@2 {
: + compatible = "regulator-fixed";
You can see that we don't know what the context node is because it isn't
shown after the '@@'.
dts is not released yet but it is staged to be in the next release[1].
One can probably build git from source and try it out.
[1] https://git.kernel.org/pub/scm/git/git.git/commit/?id=d49c2c3466d2c8cb0b3d0a43e6b406b07078fdb1
Link: http://lkml.kernel.org/r/20191004212311.141538-1-swboyd@chromium.org
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Frank Rowand <frowand.list@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
|
||
|
Alessio Balsini
|
d5ffb71b63 |
include/linux/sysctl.h: inline braces for ctl_table and ctl_table_header
Fix coding style of "struct ctl_table" and "struct ctl_table_header" to have inline braces. Besides the wide use of this proposed cose style, this change helps to find at a glance the struct definition when navigating the code. Link: http://lkml.kernel.org/r/20190903154906.188651-1-balsini@android.com Signed-off-by: Alessio Balsini <balsini@android.com> Acked-by: Luis Chamberlain <mcgrof@kernel.org> Cc: Kees Cook <keescook@chromium.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Krzysztof Kozlowski
|
3d82191c22 |
fs/proc/Kconfig: fix indentation
Adjust indentation from spaces to tab (+optional two spaces) as in
coding style with command like:
$ sed -e 's/^ / /' -i */Kconfig
[adobriyan@gmail.com: add two spaces where necessary]
Link: http://lkml.kernel.org/r/20191124133936.GA5655@avx2
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
|
||
|
Miaohe Lin
|
9573e8f70a |
include/linux/proc_fs.h: fix confusing macro arg name
state_size and ops are in the wrong position. Link: http://lkml.kernel.org/r/20190910021747.11216-1-linmiaohe@huawei.com Signed-off-by: Miaohe Lin <linmiaohe@huawei.com> Reviewed-by: Andrew Morton <akpm@linux-foundation.org> Acked-by: Aleksa Sarai <cyphar@cyphar.com> Reviewed-by: Christian Brauner <christian.brauner@ubuntu.com> Cc: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Alexey Dobriyan
|
70a731c0e3 |
fs/proc/internal.h: shuffle "struct pde_opener"
List iteration takes more code than anything else which means embedded list_head should be the first element of the structure. Space savings: add/remove: 0/0 grow/shrink: 0/4 up/down: 0/-18 (-18) Function old new delta close_pdeo 228 227 -1 proc_reg_release 86 82 -4 proc_entry_rundown 143 139 -4 proc_reg_open 298 289 -9 Link: http://lkml.kernel.org/r/20191004234753.GB30246@avx2 Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Alexey Dobriyan
|
5f6354eaa5 |
fs/proc/generic.c: delete useless "len" variable
Pointer to next '/' encodes length of path element and next start position. Subtraction and increment are redundant. Link: http://lkml.kernel.org/r/20191004234521.GA30246@avx2 Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Reviewed-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Alexey Dobriyan
|
e06689bf57 |
proc: change ->nlink under proc_subdir_lock
Currently gluing PDE into global /proc tree is done under lock, but changing ->nlink is not. Additionally struct proc_dir_entry::nlink is not atomic so updates can be lost. Link: http://lkml.kernel.org/r/20190925202436.GA17388@avx2 Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Yu Zhao
|
3cde287bb4 |
mm/memory.c: replace is_zero_pfn with is_huge_zero_pmd for thp
For hugely mapped thp, we use is_huge_zero_pmd() to check if it's zero page or not. We do fill ptes with my_zero_pfn() when we split zero thp pmd, but this is not what we have in vm_normal_page_pmd() -- pmd_trans_huge_lock() makes sure of it. This is a trivial fix for /proc/pid/numa_maps, and AFAIK nobody complains about it. Gerald Schaefer asked: : Maybe the description could also mention the symptom of this bug? : I would assume that it affects anon/dirty accounting in gather_pte_stats(), : for huge mappings, if zero page mappings are not correctly recognized. I came across this while I was looking at the code, so I'm not aware of any symptom. Link: http://lkml.kernel.org/r/20191108192629.201556-1-yuzhao@google.com Signed-off-by: Yu Zhao <yuzhao@google.com> Acked-by: Andrew Morton <akpm@linux-foundation.org> Cc: Matthew Wilcox <willy@infradead.org> Cc: Ralph Campbell <rcampbell@nvidia.com> Cc: Will Deacon <will@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: "Aneesh Kumar K . V" <aneesh.kumar@linux.ibm.com> Cc: Dave Airlie <airlied@redhat.com> Cc: Thomas Hellstrom <thellstrom@vmware.com> Cc: Souptick Joarder <jrdr.linux@gmail.com> Cc: Gerald Schaefer <gerald.schaefer@de.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Konstantin Khlebnikov
|
ebc5d83d04 |
mm/memcontrol: use vmstat names for printing statistics
Use common names from vmstat array when possible. This gives not much difference in code size for now, but should help in keeping interfaces consistent. add/remove: 0/2 grow/shrink: 2/0 up/down: 70/-72 (-2) Function old new delta memory_stat_format 984 1050 +66 memcg_stat_show 957 961 +4 memcg1_event_names 32 - -32 mem_cgroup_lru_names 40 - -40 Total: Before=14485337, After=14485335, chg -0.00% Link: http://lkml.kernel.org/r/157113012508.453.80391533767219371.stgit@buzz Signed-off-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru> Acked-by: Andrew Morton <akpm@linux-foundation.org> Cc: Michal Hocko <mhocko@kernel.org> Cc: Vladimir Davydov <vdavydov.dev@gmail.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Konstantin Khlebnikov
|
9d7ea9a297 |
mm/vmstat: add helpers to get vmstat item names for each enum type
Statistics in vmstat is combined from counters with different structure, but names for them are merged into one array. This patch adds trivial helpers to get name for each item: const char *zone_stat_name(enum zone_stat_item item); const char *numa_stat_name(enum numa_stat_item item); const char *node_stat_name(enum node_stat_item item); const char *writeback_stat_name(enum writeback_stat_item item); const char *vm_event_name(enum vm_event_item item); Names for enum writeback_stat_item are folded in the middle of vmstat_text so this patch moves declaration into header to calculate offset of following items. Also this patch reuses piece of node stat names for lru list names: const char *lru_list_name(enum lru_list lru); This returns common lru list names: "inactive_anon", "active_anon", "inactive_file", "active_file", "unevictable". [khlebnikov@yandex-team.ru: do not use size of vmstat_text as count of /proc/vmstat items] Link: http://lkml.kernel.org/r/157152151769.4139.15423465513138349343.stgit@buzz Link: https://lore.kernel.org/linux-mm/cd1c42ae-281f-c8a8-70ac-1d01d417b2e1@infradead.org/T/#u Link: http://lkml.kernel.org/r/157113012325.453.562783073839432766.stgit@buzz Signed-off-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru> Reviewed-by: Andrew Morton <akpm@linux-foundation.org> Cc: Randy Dunlap <rdunlap@infradead.org> Cc: Michal Hocko <mhocko@kernel.org> Cc: Vladimir Davydov <vdavydov.dev@gmail.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: YueHaibing <yuehaibing@huawei.com> Cc: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Roman Gushchin
|
a264df74df |
mm: memcg/slab: wait for !root kmem_cache refcnt killing on root kmem_cache destruction
Christian reported a warning like the following obtained during running
some KVM-related tests on s390:
WARNING: CPU: 8 PID: 208 at lib/percpu-refcount.c:108 percpu_ref_exit+0x50/0x58
Modules linked in: kvm(-) xt_CHECKSUM xt_MASQUERADE bonding xt_tcpudp ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 ipt_REJECT nf_reject_ipv4 xt_conntrack ip6table_na>
CPU: 8 PID: 208 Comm: kworker/8:1 Not tainted 5.2.0+ #66
Hardware name: IBM 2964 NC9 712 (LPAR)
Workqueue: events sysfs_slab_remove_workfn
Krnl PSW : 0704e00180000000 0000001529746850 (percpu_ref_exit+0x50/0x58)
R:0 T:1 IO:1 EX:1 Key:0 M:1 W:0 P:0 AS:3 CC:2 PM:0 RI:0 EA:3
Krnl GPRS: 00000000ffff8808 0000001529746740 000003f4e30e8e18 0036008100000000
0000001f00000000 0035008100000000 0000001fb3573ab8 0000000000000000
0000001fbdb6de00 0000000000000000 0000001529f01328 0000001fb3573b00
0000001fbb27e000 0000001fbdb69300 000003e009263d00 000003e009263cd0
Krnl Code: 0000001529746842: f0a0000407fe srp 4(11,%r0),2046,0
0000001529746848: 47000700 bc 0,1792
#000000152974684c: a7f40001 brc 15,152974684e
>0000001529746850: a7f4fff2 brc 15,1529746834
0000001529746854: 0707 bcr 0,%r7
0000001529746856: 0707 bcr 0,%r7
0000001529746858: eb8ff0580024 stmg %r8,%r15,88(%r15)
000000152974685e: a738ffff lhi %r3,-1
Call Trace:
([<000003e009263d00>] 0x3e009263d00)
[<00000015293252ea>] slab_kmem_cache_release+0x3a/0x70
[<0000001529b04882>] kobject_put+0xaa/0xe8
[<000000152918cf28>] process_one_work+0x1e8/0x428
[<000000152918d1b0>] worker_thread+0x48/0x460
[<00000015291942c6>] kthread+0x126/0x160
[<0000001529b22344>] ret_from_fork+0x28/0x30
[<0000001529b2234c>] kernel_thread_starter+0x0/0x10
Last Breaking-Event-Address:
[<000000152974684c>] percpu_ref_exit+0x4c/0x58
---[ end trace b035e7da5788eb09 ]---
The problem occurs because kmem_cache_destroy() is called immediately
after deleting of a memcg, so it races with the memcg kmem_cache
deactivation.
flush_memcg_workqueue() at the beginning of kmem_cache_destroy() is
supposed to guarantee that all deactivation processes are finished, but
failed to do so. It waits for an rcu grace period, after which all
children kmem_caches should be deactivated. During the deactivation
percpu_ref_kill() is called for non root kmem_cache refcounters, but it
requires yet another rcu grace period to finish the transition to the
atomic (dead) state.
So in a rare case when not all children kmem_caches are destroyed at the
moment when the root kmem_cache is about to be gone, we need to wait
another rcu grace period before destroying the root kmem_cache.
This issue can be triggered only with dynamically created kmem_caches
which are used with memcg accounting. In this case per-memcg child
kmem_caches are created. They are deactivated from the cgroup removing
path. If the destruction of the root kmem_cache is racing with the
removal of the cgroup (both are quite complicated multi-stage
processes), the described issue can occur. The only known way to
trigger it in the real life, is to unload some kernel module which
creates a dedicated kmem_cache, used from different memory cgroups with
GFP_ACCOUNT flag. If the unloading happens immediately after calling
rmdir on the corresponding cgroup, there is some chance to trigger the
issue.
Link: http://lkml.kernel.org/r/20191129025011.3076017-1-guro@fb.com
Fixes:
|
||
|
zhong jiang
|
2e7d31704c |
mm/kasan/common.c: fix compile error
I hit the following compile error in arch/x86/
mm/kasan/common.c: In function kasan_populate_vmalloc:
mm/kasan/common.c:797:2: error: implicit declaration of function flush_cache_vmap; did you mean flush_rcu_work? [-Werror=implicit-function-declaration]
flush_cache_vmap(shadow_start, shadow_end);
^~~~~~~~~~~~~~~~
flush_rcu_work
cc1: some warnings being treated as errors
Link: http://lkml.kernel.org/r/1575363013-43761-1-git-send-email-zhongjiang@huawei.com
Fixes:
|
||
|
Linus Torvalds
|
63de37476e |
chrome platform changes for v5.5
* CrOS EC / MFD / IIO
- Contains tag-ib-chrome-mfd-iio-input-5.5, which is the first part of a
series from Gwendal to refactor sensor code between MFD, CrOS EC, iio
and input in order to add a new sensorhub driver and FIFO processing
* Wilco EC:
- Add support for Dell's USB PowerShare policy control, keyboard
backlight LED driver, and a new test_event file.
- Fixes use after free in wilco_ec's telemetry driver.
* Misc:
- bugfix in cros_usbpd_logger (missing destroy workqueue).
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Merge tag 'tag-chrome-platform-for-v5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux
Pull chrome platform changes from Benson Leung:
"CrOS EC / MFD / IIO:
- Contains tag-ib-chrome-mfd-iio-input-5.5, which is the first part
of a series from Gwendal to refactor sensor code between MFD, CrOS
EC, iio and input in order to add a new sensorhub driver and FIFO
processing
Wilco EC:
- Add support for Dell's USB PowerShare policy control, keyboard
backlight LED driver, and a new test_event file.
- Fixes use after free in wilco_ec's telemetry driver.
Misc:
- bugfix in cros_usbpd_logger (missing destroy workqueue)"
* tag 'tag-chrome-platform-for-v5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux:
platform/chrome: wilco_ec: fix use after free issue
platform/chrome: cros_ec: Add Kconfig default for cros-ec-sensorhub
Revert "Input: cros_ec_keyb: mask out extra flags in event_type"
Revert "Input: cros_ec_keyb - add back missing mask for event_type"
platform/chrome: cros_ec: handle MKBP more events flag
platform/chrome: cros_ec: Do not attempt to register a non-positive IRQ number
platform/chrome: cros-ec: Record event timestamp in the hard irq
mfd / platform / iio: cros_ec: Register sensor through sensorhub
iio / platform: cros_ec: Add cros-ec-sensorhub driver
mfd / platform: cros_ec: Add sensor_count and make check_features public
platform/chrome: cros_ec: Put docs with the code
platform/chrome: cros_usbpd_logger: add missed destroy_workqueue in remove
platform/chrome: cros_ec: Fix Kconfig indentation
platform/chrome: wilco_ec: Add keyboard backlight LED support
platform/chrome: wilco_ec: Add charging config driver
platform/chrome: wilco_ec: Add Dell's USB PowerShare Policy control
platform/chrome: wilco_ec: Add debugfs test_event file
|
||
|
Linus Torvalds
|
388c645a33 |
SPDX fix for 5.5-rc1
Here is a single SPDX fixup for 5.5-rc1 It resolves an issue where we had missed a few .h files with the auto-tagging scripts because they had "GPL" text in strings within the file themselves. This single patch fixes up the issue and provides the proper SPDX tags at the top of them as needed. This patch has been in linux-next for many many weeks now with no reported issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCXebGqw8cZ3JlZ0Brcm9h aC5jb20ACgkQMUfUDdst+yn31wCePtjLIQCW2PCrub9zeZCqUJ62V0sAoK53hYv+ f3LHw9fd2dzhNCcly7nW =MuKu -----END PGP SIGNATURE----- Merge tag 'spdx-5.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/spdx Pull SPDX fix from Greg KH: "Here is a single SPDX fixup for 5.5-rc1 It resolves an issue where we had missed a few .h files with the auto-tagging scripts because they had "GPL" text in strings within the file themselves. This single patch fixes up the issue and provides the proper SPDX tags at the top of them as needed. This patch has been in linux-next for many many weeks now with no reported issues" * tag 'spdx-5.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/spdx: export,module: add SPDX GPL-2.0 license identifier to headers with no license |
||
|
Linus Torvalds
|
537bd0a159 |
TTY/Serial patches for 5.5-rc1
Here is the "big" tty and serial driver patches for 5.5-rc1. It's a bit
later in the merge window than normal as I wanted to make sure some
last-minute patches applied to it were all sane. They seem to be :)
There's a lot of little stuff in here, for the tty core, and for lots of
serial drivers:
- reverts of uartlite serial driver patches that were wrong
- msm-serial driver fixes
- serial core updates and fixes
- tty core fixes
- serial driver dma mapping api changes
- lots of other tiny fixes and updates for serial drivers
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-5.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial updates from Greg KH:
"Here is the "big" tty and serial driver patches for 5.5-rc1.
It's a bit later in the merge window than normal as I wanted to make
sure some last-minute patches applied to it were all sane. They seem
to be :)
There's a lot of little stuff in here, for the tty core, and for lots
of serial drivers:
- reverts of uartlite serial driver patches that were wrong
- msm-serial driver fixes
- serial core updates and fixes
- tty core fixes
- serial driver dma mapping api changes
- lots of other tiny fixes and updates for serial drivers
All of these have been in linux-next for a while with no reported
issues"
* tag 'tty-5.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (58 commits)
Revert "serial/8250: Add support for NI-Serial PXI/PXIe+485 devices"
vcs: prevent write access to vcsu devices
tty: vt: keyboard: reject invalid keycodes
tty: don't crash in tty_init_dev when missing tty_port
serial: stm32: fix clearing interrupt error flags
tty: Fix Kconfig indentation, continued
serial: serial_core: Perform NULL checks for break_ctl ops
tty: remove unused argument from tty_open_by_driver()
tty: Fix Kconfig indentation
{tty: serial, nand: onenand}: samsung: rename to fix build warning
serial: ifx6x60: add missed pm_runtime_disable
serial: pl011: Fix DMA ->flush_buffer()
Revert "serial-uartlite: Move the uart register"
Revert "serial-uartlite: Add get serial id if not provided"
Revert "serial-uartlite: Do not use static struct uart_driver out of probe()"
Revert "serial-uartlite: Add runtime support"
Revert "serial-uartlite: Change logic how console_port is setup"
Revert "serial-uartlite: Use allocated structure instead of static ones"
tty: serial: msm_serial: Use dma_request_chan() directly for channel request
tty: serial: tegra: Use dma_request_chan() directly for channel request
...
|
||
|
Linus Torvalds
|
c3bed3b20e |
pci-v5.5-changes
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Merge tag 'pci-v5.5-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI updates from Bjorn Helgaas:
"Enumeration:
- Warn if a host bridge has no NUMA info (Yunsheng Lin)
- Add PCI_STD_NUM_BARS for the number of standard BARs (Denis
Efremov)
Resource management:
- Fix boot-time Embedded Controller GPE storm caused by incorrect
resource assignment after ACPI Bus Check Notification (Mika
Westerberg)
- Protect pci_reassign_bridge_resources() against concurrent
addition/removal (Benjamin Herrenschmidt)
- Fix bridge dma_ranges resource list cleanup (Rob Herring)
- Add "pci=hpmmiosize" and "pci=hpmmioprefsize" parameters to control
the MMIO and prefetchable MMIO window sizes of hotplug bridges
independently (Nicholas Johnson)
- Fix MMIO/MMIO_PREF window assignment that assigned more space than
desired (Nicholas Johnson)
- Only enforce bus numbers from bridge EA if the bridge has EA
devices downstream (Subbaraya Sundeep)
- Consolidate DT "dma-ranges" parsing and convert all host drivers to
use shared parsing (Rob Herring)
Error reporting:
- Restore AER capability after resume (Mayurkumar Patel)
- Add PoisonTLPBlocked AER counter (Rajat Jain)
- Use for_each_set_bit() to simplify AER code (Andy Shevchenko)
- Fix AER kernel-doc (Andy Shevchenko)
- Add "pcie_ports=dpc-native" parameter to allow native use of DPC
even if platform didn't grant control over AER (Olof Johansson)
Hotplug:
- Avoid returning prematurely from sysfs requests to enable or
disable a PCIe hotplug slot (Lukas Wunner)
- Don't disable interrupts twice when suspending hotplug ports (Mika
Westerberg)
- Fix deadlocks when PCIe ports are hot-removed while suspended (Mika
Westerberg)
Power management:
- Remove unnecessary ASPM locking (Bjorn Helgaas)
- Add support for disabling L1 PM Substates (Heiner Kallweit)
- Allow re-enabling Clock PM after it has been disabled (Heiner
Kallweit)
- Add sysfs attributes for controlling ASPM link states (Heiner
Kallweit)
- Remove CONFIG_PCIEASPM_DEBUG, including "link_state" and "clk_ctl"
sysfs files (Heiner Kallweit)
- Avoid AMD FCH XHCI USB PME# from D0 defect that prevents wakeup on
USB 2.0 or 1.1 connect events (Kai-Heng Feng)
- Move power state check out of pci_msi_supported() (Bjorn Helgaas)
- Fix incorrect MSI-X masking on resume and revert related nvme quirk
for Kingston NVME SSD running FW E8FK11.T (Jian-Hong Pan)
- Always return devices to D0 when thawing to fix hibernation with
drivers like mlx4 that used legacy power management (previously we
only did it for drivers with new power management ops) (Dexuan Cui)
- Clear PCIe PME Status even for legacy power management (Bjorn
Helgaas)
- Fix PCI PM documentation errors (Bjorn Helgaas)
- Use dev_printk() for more power management messages (Bjorn Helgaas)
- Apply D2 delay as milliseconds, not microseconds (Bjorn Helgaas)
- Convert xen-platform from legacy to generic power management (Bjorn
Helgaas)
- Removed unused .resume_early() and .suspend_late() legacy power
management hooks (Bjorn Helgaas)
- Rearrange power management code for clarity (Rafael J. Wysocki)
- Decode power states more clearly ("4" or "D4" really refers to
"D3cold") (Bjorn Helgaas)
- Notice when reading PM Control register returns an error (~0)
instead of interpreting it as being in D3hot (Bjorn Helgaas)
- Add missing link delays required by the PCIe spec (Mika Westerberg)
Virtualization:
- Move pci_prg_resp_pasid_required() to CONFIG_PCI_PRI (Bjorn
Helgaas)
- Allow VFs to use PRI (the PF PRI is shared by the VFs, but the code
previously didn't recognize that) (Kuppuswamy Sathyanarayanan)
- Allow VFs to use PASID (the PF PASID capability is shared by the
VFs, but the code previously didn't recognize that) (Kuppuswamy
Sathyanarayanan)
- Disconnect PF and VF ATS enablement, since ATS in PFs and
associated VFs can be enabled independently (Kuppuswamy
Sathyanarayanan)
- Cache PRI and PASID capability offsets (Kuppuswamy Sathyanarayanan)
- Cache the PRI PRG Response PASID Required bit (Bjorn Helgaas)
- Consolidate ATS declarations in linux/pci-ats.h (Krzysztof
Wilczynski)
- Remove unused PRI and PASID stubs (Bjorn Helgaas)
- Removed unnecessary EXPORT_SYMBOL_GPL() from ATS, PRI, and PASID
interfaces that are only used by built-in IOMMU drivers (Bjorn
Helgaas)
- Hide PRI and PASID state restoration functions used only inside the
PCI core (Bjorn Helgaas)
- Add a DMA alias quirk for the Intel VCA NTB (Slawomir Pawlowski)
- Serialize sysfs sriov_numvfs reads vs writes (Pierre Crégut)
- Update Cavium ACS quirk for ThunderX2 and ThunderX3 (George
Cherian)
- Fix the UPDCR register address in the Intel ACS quirk (Steffen
Liebergeld)
- Unify ACS quirk implementations (Bjorn Helgaas)
Amlogic Meson host bridge driver:
- Fix meson PERST# GPIO polarity problem (Remi Pommarel)
- Add DT bindings for Amlogic Meson G12A (Neil Armstrong)
- Fix meson clock names to match DT bindings (Neil Armstrong)
- Add meson support for Amlogic G12A SoC with separate shared PHY
(Neil Armstrong)
- Add meson extended PCIe PHY functions for Amlogic G12A USB3+PCIe
combo PHY (Neil Armstrong)
- Add arm64 DT for Amlogic G12A PCIe controller node (Neil Armstrong)
- Add commented-out description of VIM3 USB3/PCIe mux in arm64 DT
(Neil Armstrong)
Broadcom iProc host bridge driver:
- Invalidate iProc PAXB address mapping before programming it
(Abhishek Shah)
- Fix iproc-msi and mvebu __iomem annotations (Ben Dooks)
Cadence host bridge driver:
- Refactor Cadence PCIe host controller to use as a library for both
host and endpoint (Tom Joseph)
Freescale Layerscape host bridge driver:
- Add layerscape LS1028a support (Xiaowei Bao)
Intel VMD host bridge driver:
- Add VMD bus 224-255 restriction decode (Jon Derrick)
- Add VMD 8086:9A0B device ID (Jon Derrick)
- Remove Keith from VMD maintainer list (Keith Busch)
Marvell ARMADA 3700 / Aardvark host bridge driver:
- Use LTSSM state to build link training flag since Aardvark doesn't
implement the Link Training bit (Remi Pommarel)
- Delay before training Aardvark link in case PERST# was asserted
before the driver probe (Remi Pommarel)
- Fix Aardvark issues with Root Control reads and writes (Remi
Pommarel)
- Don't rely on jiffies in Aardvark config access path since
interrupts may be disabled (Remi Pommarel)
- Fix Aardvark big-endian support (Grzegorz Jaszczyk)
Marvell ARMADA 370 / XP host bridge driver:
- Make mvebu_pci_bridge_emul_ops static (Ben Dooks)
Microsoft Hyper-V host bridge driver:
- Add hibernation support for Hyper-V virtual PCI devices (Dexuan
Cui)
- Track Hyper-V pci_protocol_version per-hbus, not globally (Dexuan
Cui)
- Avoid kmemleak false positive on hv hbus buffer (Dexuan Cui)
Mobiveil host bridge driver:
- Change mobiveil csr_read()/write() function names that conflict
with riscv arch functions (Kefeng Wang)
NVIDIA Tegra host bridge driver:
- Fix Tegra CLKREQ dependency programming (Vidya Sagar)
Renesas R-Car host bridge driver:
- Remove unnecessary header include from rcar (Andrew Murray)
- Tighten register index checking for rcar inbound range programming
(Marek Vasut)
- Fix rcar inbound range alignment calculation to improve packing of
multiple entries (Marek Vasut)
- Update rcar MACCTLR setting to match documentation (Yoshihiro
Shimoda)
- Clear bit 0 of MACCTLR before PCIETCTLR.CFINIT per manual
(Yoshihiro Shimoda)
- Add Marek Vasut and Yoshihiro Shimoda as R-Car maintainers (Simon
Horman)
Rockchip host bridge driver:
- Make rockchip 0V9 and 1V8 power regulators non-optional (Robin
Murphy)
Socionext UniPhier host bridge driver:
- Set uniphier to host (RC) mode always (Kunihiko Hayashi)
Endpoint drivers:
- Fix endpoint driver sign extension problem when shifting page
number to phys_addr_t (Alan Mikhak)
Misc:
- Add NumaChip SPDX header (Krzysztof Wilczynski)
- Replace EXTRA_CFLAGS with ccflags-y (Krzysztof Wilczynski)
- Remove unused includes (Krzysztof Wilczynski)
- Removed unused sysfs attribute groups (Ben Dooks)
- Remove PTM and ASPM dependencies on PCIEPORTBUS (Bjorn Helgaas)
- Add PCIe Link Control 2 register field definitions to replace magic
numbers in AMDGPU and Radeon CIK/SI (Bjorn Helgaas)
- Fix incorrect Link Control 2 Transmit Margin usage in AMDGPU and
Radeon CIK/SI PCIe Gen3 link training (Bjorn Helgaas)
- Use pcie_capability_read_word() instead of pci_read_config_word()
in AMDGPU and Radeon CIK/SI (Frederick Lawler)
- Remove unused pci_irq_get_node() Greg Kroah-Hartman)
- Make asm/msi.h mandatory and simplify PCI_MSI_IRQ_DOMAIN Kconfig
(Palmer Dabbelt, Michal Simek)
- Read all 64 bits of Switchtec part_event_bitmap (Logan Gunthorpe)
- Fix erroneous intel-iommu dependency on CONFIG_AMD_IOMMU (Bjorn
Helgaas)
- Fix bridge emulation big-endian support (Grzegorz Jaszczyk)
- Fix dwc find_next_bit() usage (Niklas Cassel)
- Fix pcitest.c fd leak (Hewenliang)
- Fix typos and comments (Bjorn Helgaas)
- Fix Kconfig whitespace errors (Krzysztof Kozlowski)"
* tag 'pci-v5.5-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (160 commits)
PCI: Remove PCI_MSI_IRQ_DOMAIN architecture whitelist
asm-generic: Make msi.h a mandatory include/asm header
Revert "nvme: Add quirk for Kingston NVME SSD running FW E8FK11.T"
PCI/MSI: Fix incorrect MSI-X masking on resume
PCI/MSI: Move power state check out of pci_msi_supported()
PCI/MSI: Remove unused pci_irq_get_node()
PCI: hv: Avoid a kmemleak false positive caused by the hbus buffer
PCI: hv: Change pci_protocol_version to per-hbus
PCI: hv: Add hibernation support
PCI: hv: Reorganize the code in preparation of hibernation
MAINTAINERS: Remove Keith from VMD maintainer
PCI/ASPM: Remove PCIEASPM_DEBUG Kconfig option and related code
PCI/ASPM: Add sysfs attributes for controlling ASPM link states
PCI: Fix indentation
drm/radeon: Prefer pcie_capability_read_word()
drm/radeon: Replace numbers with PCI_EXP_LNKCTL2 definitions
drm/radeon: Correct Transmit Margin masks
drm/amdgpu: Prefer pcie_capability_read_word()
PCI: uniphier: Set mode register to host mode
drm/amdgpu: Replace numbers with PCI_EXP_LNKCTL2 definitions
...
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|
Linus Torvalds
|
4672c2f202 |
RTC for 5.5
Subsystem: - fix warnings and errors with make W=1 - UIE are now disabled while setting the RTC time - UIE are now disallowed when the RTC time is not set. Drivers: - remove unecessary .remove callbacks - Set RTC range for cros-ec, ds1343, ds1347, m41t80, s35390a, vt8500 - Use devm_platform_ioremap_resource where applicable - rv3028: add clock out support -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEycoQi/giopmpPgB12wIijOdRNOUFAl3k7FMACgkQ2wIijOdR NOX63hAAqeoBWKVHgh5kltmtd7RCWD3cazleYvPPfCyoNUOz1YB6Gblp4R+5ImNT pFfbhk44baMDBSy5zlJV4yLkdsBYx5Yx7Su56zAqMYhpnVbvwGeNOsoWLaJThc3o b8NK9Za9CwwZNm3CDoPdJNeHNOce20Hj9JKCeOyS3Gl7IuMP+0xGXlPVpM0yX4EW 7iwuGhnQNWFM1GQQ8WWgEr4mQB+8xwjy2hKQ2FnKfVk6cqq2wxgrY+XGjV1h1jCM x/KlmAY9sbntwEZA3ZOqk0LQvMMaKqUEfMpd24joGvo7JGseN/e4aapRXoang3vp h/mkeW3MnrsGs+YPsSQqdOSrIJ/Qou25QnMXEzRPgkBCXw0lpHkqmF3GdF6CPEFG xnGZVLrCA1W8ysJNq9ZkavZCEaG9ay6Qd8sOh7Tfl2UkPDArOC1PiKvfzVmkcYZ+ TOwgB7/Yyp9Y1l9asBQnOEzg2AZ0Rq8KlFk5vAxiyQOBpivWEw8AuNMG+W8B16NE bsc6rteNYzfLJusxuEQTdG7/AsLNun+YQoASAYaoIxnnzcslUwMRLl/JoNRQOt7D sdaTHd10I99+282hWPnFSkb3Xm44+01tX2apGPQt5Duv8ojQYHTRoPhHYmIvCkLJ HM8HWNae6bNKyUhsxDG8iFHfbAhL6ojr/AEiXw58TZjfPe3i5iw= =gBQF -----END PGP SIGNATURE----- Merge tag 'rtc-5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux Pull RTC updates from Alexandre Belloni: "A lot of unnecessary code removal in here that ends up decreasing the number of lines in the subsystem. The ds1343 and ds1347 drivers got cleaned up. The rest are the usual fixes and new features. Subsystem: - fix warnings and errors with make W=1 - UIE are now disabled while setting the RTC time - UIE are now disallowed when the RTC time is not set. Drivers: - remove unecessary .remove callbacks - Set RTC range for cros-ec, ds1343, ds1347, m41t80, s35390a, vt8500 - Use devm_platform_ioremap_resource where applicable - rv3028: add clock out support" * tag 'rtc-5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (81 commits) rtc: Fix Kconfig indentation rtc: xgene: Remove unused struct device in struct xgene_rtc_dev rtc: sun6i: Remove struct device from sun6i_rtc_dev rtc: st-lpc: Remove struct resource from struct st_rtc rtc: pcf8523: Remove struct pcf8523 rtc: meson: remove redundant assignment to variable retries rtc: v3020: remove set but unused variable rtc: tegra: remove set but unused variable rtc: pm8xxx: update kerneldoc for struct pm8xxx_rtc rtc: m41t80: remove excess kerneldoc rtc: ds1685: fix build error with make W=1 rtc: ds1685: remove set but unused variables rtc: ds1374: remove unused variable rtc: sysfs: fix hctosys_show kerneldoc rtc: interface: fix kerneldoc comments rtc: msm6242: Remove unneeded msm6242_set()/msm6242_clear() functions rtc: msm6242: Fix reading of 10-hour digit rtc: tps65910: allow using RTC without alarm interrupt rtc: fsl-ftm-alarm: remove select FSL_RCPM and default y from Kconfig rtc: pcf8563: Constify clkout_rates ... |
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Linus Torvalds
|
2a31aca500 |
New code for 5.5:
- Make iomap_dio_rw callers explicitly tell us if they want us to wait - Port the xfs writeback code to iomap to complete the buffered io library functions - Refactor the unshare code to share common pieces - Add support for performing copy on write with buffered writes - Other minor fixes - Fix unchecked return in iomap_bmap - Fix a type casting bug in a ternary statement in iomap_dio_bio_actor - Improve tracepoints for easier diagnostic ability - Fix pipe page leakage in directio reads - Clean up iter usage in directio paths -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEUzaAxoMeQq6m2jMV+H93GTRKtOsFAl3kAhYACgkQ+H93GTRK tOviwQ/9FyTPgZKDrJMOxiEIyx1ye+wWasaUSmt1/jaXBhX8B12WkjfV5Nk970pw WOdiu5rnHy+Aje35luZmwPpX1H8CPvnVUTCFaYdZe9r695+XBmpg0coPr9T3Lsg/ dMRPB2LaM1gZxaQukBTWoj2mwDanepz6Zu5dGcwEuZE26jlnFf6+yQibFlOIjFmk ioCkZLwkNdQlF+dutOykIilkP6imFyTU1lYueAZTmtJoM7JfXcqVmsn7A4R2pi8U 2CF/ySTCuKu8Mwee8BTzWMcNqvYc/bshF2bQeiBNnKB+K3GGM9s5oNL5DGQTc709 Cjhw6aq8ZTedT6AEw07zY5X1NhkCe8dQImz1qQPjCuoW2a5bVww8hvw8otUAyxOM /ScwHqOH/TxzuTmYHoO+2DxZYjSEFTci26dpVenxWrFt82LcMfG/DvEThzTcT/qq EdH7oLHbgXpvpwMkOYU9usCCkosraWKNaN4aoX9R5VhhWA4t8CcQNpXBkMDEI3ck xywGGiwau3aUy2ELtjgfjxRUY28rZUkoABkyR9fAc4BYbS4RDqoHgF9pY/z5H/2B xwDLzCA9ww6wLjeXEWt9ZBwmkNkdsFp/XeKrx2WX81LrCRoqFc3viV13FWrfuEe6 de9jHgV1HZqkmm5pChRMJ3n5Qyah9anXXnTRvar8UedHEbxoQuE= =QMWG -----END PGP SIGNATURE----- Merge tag 'iomap-5.5-merge-13' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux Pull iomap cleanups from Darrick Wong: "Aome more new iomap code for 5.5. There's not much this time -- just removing some local variables that don't need to exist in the iomap directio code" * tag 'iomap-5.5-merge-13' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: iomap: remove unneeded variable in iomap_dio_rw() iomap: Do not create fake iter in iomap_dio_bio_actor() |
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Linus Torvalds
|
79e178a57d |
+ Features
- increase left match history buffer size to provide inproved conflict
resolution in overlapping execution rules.
- switch buffer allocation to use a memory pool and GFP_KERNEL
where possible.
- add compression of policy blobs to reduce memory usage.
+ Cleanups
- fix spelling mistake "immutible" -> "immutable"
+ Bug fixes
- fix unsigned len comparison in update_for_len macro
- fix sparse warning for type-casting of current->real_cred
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Merge tag 'apparmor-pr-2019-12-03' of git://git.kernel.org/pub/scm/linux/kernel/git/jj/linux-apparmor
Pull apparmor updates from John Johansen:
"Features:
- increase left match history buffer size to provide improved
conflict resolution in overlapping execution rules.
- switch buffer allocation to use a memory pool and GFP_KERNEL where
possible.
- add compression of policy blobs to reduce memory usage.
Cleanups:
- fix spelling mistake "immutible" -> "immutable"
Bug fixes:
- fix unsigned len comparison in update_for_len macro
- fix sparse warning for type-casting of current->real_cred"
* tag 'apparmor-pr-2019-12-03' of git://git.kernel.org/pub/scm/linux/kernel/git/jj/linux-apparmor:
apparmor: make it so work buffers can be allocated from atomic context
apparmor: reduce rcu_read_lock scope for aa_file_perm mediation
apparmor: fix wrong buffer allocation in aa_new_mount
apparmor: fix unsigned len comparison with less than zero
apparmor: increase left match history buffer size
apparmor: Switch to GFP_KERNEL where possible
apparmor: Use a memory pool instead per-CPU caches
apparmor: Force type-casting of current->real_cred
apparmor: fix spelling mistake "immutible" -> "immutable"
apparmor: fix blob compression when ns is forced on a policy load
apparmor: fix missing ZLIB defines
apparmor: fix blob compression build failure on ppc
apparmor: Initial implementation of raw policy blob compression
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Linus Torvalds
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01d1dff646 |
s390 updates for the 5.5 merge window #2
- Make stack unwinder reliable and suitable for livepatching. Add unwinder testing module. - Fixes for CALL_ON_STACK helper used for stack switching. - Fix unwinding from bpf code. - Fix getcpu and remove compat support in vdso code. - Fix address space control registers initialization. - Save KASLR offset for early dumps. - Handle new FILTERED_BY_HYPERVISOR reply code in crypto code. - Minor perf code cleanup and potential memory leak fix. - Add couple of error messages for corner cases during PCI device creation. -----BEGIN PGP SIGNATURE----- iQEzBAABCAAdFiEE3QHqV+H2a8xAv27vjYWKoQLXFBgFAl3mUEMACgkQjYWKoQLX FBgHBgf/Ui3sgKGozvIAwy2kQ3oPtCdsmnTKEhLdhYT0cKMWNkA/jc13vn37ZqSk vMhawMjgjHhn4CLSjxKRGCprYViXIgnF2XrCywTDsBoj87QwB6/dME1gXJRW+/Rm OPvO+8D+210Ow0Xip3xXSRIPNFsUINCQeCCEtQCOuhGMdQPC0VIKgYtgvk1TAo1E +DycHbZ0e+uEp6zvVSsoP9wrkXw/L9krTDnjHncQ7FULJAYnBhY+qaeNTek09QAT j3Ywh5/fYR11c62W6fjb1lQHLb75L0aeK7Q5r5WspxG5LwiR2ncYWOQ4BQPZoUXq GjdNvwRmvEkB3IbnpLp/ft7sqsPn2w== =CoqQ -----END PGP SIGNATURE----- Merge tag 's390-5.5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux Pull more s390 updates from Vasily Gorbik: - Make stack unwinder reliable and suitable for livepatching. Add unwinder testing module. - Fixes for CALL_ON_STACK helper used for stack switching. - Fix unwinding from bpf code. - Fix getcpu and remove compat support in vdso code. - Fix address space control registers initialization. - Save KASLR offset for early dumps. - Handle new FILTERED_BY_HYPERVISOR reply code in crypto code. - Minor perf code cleanup and potential memory leak fix. - Add couple of error messages for corner cases during PCI device creation. * tag 's390-5.5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (33 commits) s390: remove compat vdso code s390/livepatch: Implement reliable stack tracing for the consistency model s390/unwind: add stack pointer alignment sanity checks s390/unwind: filter out unreliable bogus %r14 s390/unwind: start unwinding from reliable state s390/test_unwind: add program check context tests s390/test_unwind: add irq context tests s390/test_unwind: print verbose unwinding results s390/test_unwind: add CALL_ON_STACK tests s390: fix register clobbering in CALL_ON_STACK s390/test_unwind: require that unwinding ended successfully s390/unwind: add a test for the internal API s390/unwind: always inline get_stack_pointer s390/pci: add error message on device number limit s390/pci: add error message for UID collision s390/cpum_sf: Check for SDBT and SDB consistency s390/cpum_sf: Use TEAR_REG macro consistantly s390/cpum_sf: Remove unnecessary check for pending SDBs s390/cpum_sf: Replace function name in debug statements s390/kaslr: store KASLR offset for early dumps ... |
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Linus Torvalds
|
4d7048f551 |
Xtensa updates for v5.5:
- add support for execute in place (XIP) kernels - improvements in inline assembly: use named arguments and "m" constraints where possible - improve stack dumping - clean up system_call code and syscall tracing - various small fixes and cleanups -----BEGIN PGP SIGNATURE----- iQJHBAABCgAxFiEEK2eFS5jlMn3N6xfYUfnMkfg/oEQFAl3kk8ETHGpjbXZia2Jj QGdtYWlsLmNvbQAKCRBR+cyR+D+gRMp2EACpOxDBdacJjgSKKj5IFwbu2c/O74rA q2tBf4iz82UfNxs2R41wZX7oD9CIp6VEJVnLxbDMqwyTN62NSfnQ2R1j3CiISeqB wKDZzGHCUCfoTja4zR/yZY1fh5YZ8VzOytgpy3zkHoFaxyQPcTDBS6PLYyFqYyuR Ktxiv6c0T5NQ1BEF8u2VzxM9oGZo3zaraMal3s1CCjGR8Ej6i6K6vwOv3glPRzfP t121u3GqL3RwdygHDeXcm4tbBcMp7CkawoKsthhe/+/PPVmWgt3JkqFRPnvsJrvw MRdrfJ8s23eJJ9n2iLlBZPUp0vHc533Av5jsH4RWSPdT3Osb0RISJQmNUtKGZI08 ur2pb6pgJVHvIxo+Eu2+FVYkOJXGhKQqYD2EAY2/4PVDX6x9XPO5h2+hTaESccta 6qo0dvdiO4ut2LuUyCssn5fBPT+FWgaf+1Vh5Pcaa+y6PZKBcVhyt6qZpbTDFtlu cQRILPYTxtOAX8MGD/OMF1a2wVisORBZKEgYAdFbaNT+cWYLW0sMlHAzjxx2Ok42 HeVPujoqjRaNGNKCGdqhOevPlXsMdtu4SFPKCQIZhIA2vg4mjxykx7ZE/sOcCZS3 P0dtJXvRVg6rfWIM6SCuufrg70PwkIO6ufz0ZdLWPIb+4KHxxOaJ+fdaPwXhREKK 2AWSa13Vd63O3Q== =/plV -----END PGP SIGNATURE----- Merge tag 'xtensa-20191201' of git://github.com/jcmvbkbc/linux-xtensa Pull Xtensa updates from Max Filippov: - add support for execute in place (XIP) kernels - improvements in inline assembly: use named arguments and "m" constraints where possible - improve stack dumping - clean up system_call code and syscall tracing - various small fixes and cleanups * tag 'xtensa-20191201' of git://github.com/jcmvbkbc/linux-xtensa: (30 commits) xtensa: clean up system_call/xtensa_rt_sigreturn interaction xtensa: fix system_call interaction with ptrace xtensa: rearrange syscall tracing xtensa: fix syscall_set_return_value xtensa: drop unneeded headers from coprocessor.S xtensa: entry: Remove unneeded need_resched() loop xtensa: use MEMBLOCK_ALLOC_ANYWHERE for KASAN shadow map xtensa: fix TLB sanity checker xtensa: get rid of __ARCH_USE_5LEVEL_HACK xtensa: mm: fix PMD folding implementation xtensa: make stack dump size configurable xtensa: improve stack dumping xtensa: use "m" constraint instead of "r" in futex.h assembly xtensa: use "m" constraint instead of "a" in cmpxchg.h assembly xtensa: use named assembly arguments in cmpxchg.h xtensa: use "m" constraint instead of "a" in atomic.h assembly xtensa: use named assembly arguments in atomic.h xtensa: use "m" constraint instead of "a" in bitops.h assembly xtensa: use named assembly arguments in bitops.h xtensa: use macros to generate *_bit and test_and_*_bit functions ... |
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Linus Torvalds
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043cf46825 |
Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer updates from Ingo Molnar:
"The main changes in the timer code in this cycle were:
- Clockevent updates:
- timer-of framework cleanups. (Geert Uytterhoeven)
- Use timer-of for the renesas-ostm and the device name to prevent
name collision in case of multiple timers. (Geert Uytterhoeven)
- Check if there is an error after calling of_clk_get in asm9260
(Chuhong Yuan)
- ABI fix: Zero out high order bits of nanoseconds on compat
syscalls. This got broken a year ago, with apparently no side
effects so far.
Since the kernel would use random data otherwise I don't think we'd
have other options but to fix the bug, even if there was a side
effect to applications (Dmitry Safonov)
- Optimize ns_to_timespec64() on 32-bit systems: move away from
div_s64_rem() which can be slow, to div_u64_rem() which is faster
(Arnd Bergmann)
- Annotate KCSAN-reported false positive data races in
hrtimer_is_queued() users by moving timer->state handling over to
the READ_ONCE()/WRITE_ONCE() APIs. This documents these accesses
(Eric Dumazet)
- Misc cleanups and small fixes"
[ I undid the "ABI fix" and updated the comments instead. The reason
there were apparently no side effects is that the fix was a no-op.
The updated comment is to say _why_ it was a no-op. - Linus ]
* 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
time: Zero the upper 32-bits in __kernel_timespec on 32-bit
time: Rename tsk->real_start_time to ->start_boottime
hrtimer: Remove the comment about not used HRTIMER_SOFTIRQ
time: Fix spelling mistake in comment
time: Optimize ns_to_timespec64()
hrtimer: Annotate lockless access to timer->state
clocksource/drivers/asm9260: Add a check for of_clk_get
clocksource/drivers/renesas-ostm: Use unique device name instead of ostm
clocksource/drivers/renesas-ostm: Convert to timer_of
clocksource/drivers/timer-of: Use unique device name instead of timer
clocksource/drivers/timer-of: Convert last full_name to %pOF
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Linus Torvalds
|
b22bfea7f1 |
Merge branch 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq updates from Ingo Molnar: "Most of the IRQ subsystem changes in this cycle were irq-chip driver updates: - Qualcomm PDC wakeup interrupt support - Layerscape external IRQ support - Broadcom bcm7038 PM and wakeup support - Ingenic driver cleanup and modernization - GICv3 ITS preparation for GICv4.1 updates - GICv4 fixes There's also the series from Frederic Weisbecker that fixes memory ordering bugs for the irq-work logic, whose primary fix is to turn work->irq_work.flags into an atomic variable and then convert the complex (and buggy) atomic_cmpxchg() loop in irq_work_claim() into a much simpler atomic_fetch_or() call. There are also various smaller cleanups" * 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (44 commits) pinctrl/sdm845: Add PDC wakeup interrupt map for GPIOs pinctrl/msm: Setup GPIO chip in hierarchy irqchip/qcom-pdc: Add irqchip set/get state calls irqchip/qcom-pdc: Add irqdomain for wakeup capable GPIOs irqchip/qcom-pdc: Do not toggle IRQ_ENABLE during mask/unmask irqchip/qcom-pdc: Update max PDC interrupts of/irq: Document properties for wakeup interrupt parent genirq: Introduce irq_chip_get/set_parent_state calls irqdomain: Add bus token DOMAIN_BUS_WAKEUP genirq: Fix function documentation of __irq_alloc_descs() irq_work: Fix IRQ_WORK_BUSY bit clearing irqchip/ti-sci-inta: Use ERR_CAST inlined function instead of ERR_PTR(PTR_ERR(...)) irq_work: Slightly simplify IRQ_WORK_PENDING clearing irq_work: Fix irq_work_claim() memory ordering irq_work: Convert flags to atomic_t irqchip: Ingenic: Add process for more than one irq at the same time. irqchip: ingenic: Alloc generic chips from IRQ domain irqchip: ingenic: Get virq number from IRQ domain irqchip: ingenic: Error out if IRQ domain creation failed irqchip: ingenic: Drop redundant irq_suspend / irq_resume functions ... |
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Linus Torvalds
|
2dff2a1c9b |
Merge branch 'dmi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging
Pull dmi updates from Jean Delvare. * 'dmi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging: firmware: dmi: Add dmi_memdev_handle firmware: dmi: Remember the memory type |
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Linus Torvalds
|
2352923c75 |
Merge branch 'for-5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/dennis/percpu
Pull percpu updates from Dennis Zhou: "This has a change to fix percpu-refcount for RT kernels because rcu-sched disables preemption and the refcount release callback might acquire a spinlock" * 'for-5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/dennis/percpu: Revert "percpu: add __percpu to SHIFT_PERCPU_PTR" percpu-refcount: Use normal instead of RCU-sched" percpu: add __percpu to SHIFT_PERCPU_PTR |
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Jean Delvare
|
7c2378800c |
firmware: dmi: Add dmi_memdev_handle
Add a utility function dmi_memdev_handle() which returns the DMI handle associated with a given memory slot. This will allow kernel drivers to iterate over the memory slots. Signed-off-by: Jean Delvare <jdelvare@suse.de> |
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Jean Delvare
|
9e0afe3910 |
firmware: dmi: Remember the memory type
Store the memory type while walking the memory slots, and provide a way to retrieve it later. Signed-off-by: Jean Delvare <jdelvare@suse.de> |
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Linus Torvalds
|
76bb8b0596 |
Kbuild updates for v5.5
- remove unneeded asm headers from hexagon, ia64 - add 'dir-pkg' target, which works like 'tar-pkg' but skips archiving - add 'helpnewconfig' target, which shows help for new CONFIG options - support 'make nsdeps' for external modules - make rebuilds faster by deleting $(wildcard $^) checks - remove compile tests for kernel-space headers - refactor modpost to simplify modversion handling - make single target builds faster - optimize and clean up scripts/kallsyms.c - refactor various Makefiles and scripts -----BEGIN PGP SIGNATURE----- iQJJBAABCgAzFiEEbmPs18K1szRHjPqEPYsBB53g2wYFAl3lKCUVHG1hc2FoaXJv eUBrZXJuZWwub3JnAAoJED2LAQed4NsGu9sP/iTW/RjDxbAsu0aP8jFqzLK/xKB/ NQn/+dD76TjEmjgew9AXszf2rJL+ixKVymGM08FV59Bbguvi8XmAB/QXK21Sjb5j rVl3N97TWNkvXM+QJyly23G2UtbubRSPo3g+e70BZrw3lcmrsK+sAmTOL5KtIrNX 9BHM803JwqsMJyvBwTBBw3UFeeBqb38Qx6gmigfSihuDf6pvjoVDKskpsDno3wX7 rdiXYxAsKQLQ/P2ym/bV/Oqe90RqRtV/2/WCpLshlwHkiM9huflv6GjgCkkbAx5H N3TSptlS7l/2B/XKHgA5ALjHjUlxTGBzLLoevarCd8loKcQXFlgx+vd3nM/WJlHJ x9UpTklDwGP9eUBsa9W980tEyUVsFGMAC8EcTdW6NN2IRtuCOSA5N2FYYt8/SDd0 2b3PhElTJIp4pTWSYN6JZxB1R8n/YBgxLqOJ6N2U6B9CdKFUCHlwGH23QfN89km/ WEMP85bsaab/dnyxbwelkoYYYyPgUHsC13AbpkHdrDxMbAGO+G1PwpHxC6ErF2en wRGrcUxWTfHRykO5aJIQtCB9b1fv73134mTzB5fTYd6GtjepGBSBCO9xb2Iy4sc9 Y+nHVVDUrihvSOpJgqh677PcLDutOZR8fFCoc1ZMDAbBsDvrb0Qsee6oEidj98xc 5kXp9YZh/tdh/tdo =zUaB -----END PGP SIGNATURE----- Merge tag 'kbuild-v5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull Kbuild updates from Masahiro Yamada: - remove unneeded asm headers from hexagon, ia64 - add 'dir-pkg' target, which works like 'tar-pkg' but skips archiving - add 'helpnewconfig' target, which shows help for new CONFIG options - support 'make nsdeps' for external modules - make rebuilds faster by deleting $(wildcard $^) checks - remove compile tests for kernel-space headers - refactor modpost to simplify modversion handling - make single target builds faster - optimize and clean up scripts/kallsyms.c - refactor various Makefiles and scripts * tag 'kbuild-v5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (59 commits) MAINTAINERS: update Kbuild/Kconfig maintainer's email address scripts/kallsyms: remove redundant initializers scripts/kallsyms: put check_symbol_range() calls close together scripts/kallsyms: make check_symbol_range() void function scripts/kallsyms: move ignored symbol types to is_ignored_symbol() scripts/kallsyms: move more patterns to the ignored_prefixes array scripts/kallsyms: skip ignored symbols very early scripts/kallsyms: add const qualifiers where possible scripts/kallsyms: make find_token() return (unsigned char *) scripts/kallsyms: replace prefix_underscores_count() with strspn() scripts/kallsyms: add sym_name() to mitigate cast ugliness scripts/kallsyms: remove unneeded length check for prefix matching scripts/kallsyms: remove redundant is_arm_mapping_symbol() scripts/kallsyms: set relative_base more effectively scripts/kallsyms: shrink table before sorting it scripts/kallsyms: fix definitely-lost memory leak scripts/kallsyms: remove unneeded #ifndef ARRAY_SIZE kbuild: make single target builds even faster modpost: respect the previous export when 'exported twice' is warned modpost: do not set ->preloaded for symbols from Module.symvers ... |
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Linus Torvalds
|
e30dbe50dc |
linux-kselftest-5.5-rc1-fixes2
This second Kselftest fixes update for Linux 5.5-rc1 consists of an urgent revert to fix regression in CI coverage. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEPZKym/RZuOCGeA/kCwJExA0NQxwFAl3lLFEACgkQCwJExA0N Qxy3zRAA4jAHEGGA5BMSAWBnEw/9fH5s5IJeLOU3kX/Cnq1KiFtG0WyaZcqEuyqy HecDY8gE2nfLWQlKvPOhzXOefwQHQH8a2IV6xcbyUvgGQ9oGoefBlh/Nyubl9pzL EunP7Do2+/GMEWwiRGZO0vbefgV2YeNPyuATagzmsEzJVTaDG/+RJCFBisP9R9Vv Rad6BK6u35KjDEpSssu4Tci0jA9Vu0JLj1eSMJeHeOwQ2jter/8J1LQtuHLQ2HwV H4kUokdPk6NHvTNNFbcN6Oo04aoTZNQL7C9lhfa5HEE4bfWWm6XpeCl/zxlR8949 4MCQKSaQEy7BpNHAnY2oBo20yYUdpMeKVOwVNMIt6ZypkkHJnHjnVu9yCrPhKwTh H/wuBoRB7vMVU+345VMHZCD/JwPhYm7a5rJN6Ip2tbNEBBmFhyYLFBILXpDENA44 VoW3onU4NXP95I5qK93n3R29QzNvZCCe88FqOf7XrvqZDElIPAVdCwpEqong9WC1 thFBg5M7FjI8zHbfFVWR4h3AEdelnlSw4iCA+Ce5AZ/X/Nkd2WvHsKRWC/gz4v37 s9vIP9+YuztfH6b2MrPv2//z7utSD+Lthk9UB3NVvS0RuevNeVuwqgxO6crvfCyy GQFBpsyoBRQ4hTxd8HzC6cxPVYSgXa2dlKS1PBp6YwlrJ7Vb60I= =tLA/ -----END PGP SIGNATURE----- Merge tag 'linux-kselftest-5.5-rc1-fixes2' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest Pull more kselftest fixes from Shuah Khan: "This second Kselftest fixes update for Linux 5.5-rc1 consists of an urgent revert to fix regression in CI coverage" * tag 'linux-kselftest-5.5-rc1-fixes2' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: Revert "selftests: Fix O= and KBUILD_OUTPUT handling for relative paths" |
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Linus Torvalds
|
483847a702 |
Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fixes from Herbert Xu: - Fix build error in crypto lib code when crypto API is off - Fix NULL/error check in hisilicon - Fix Kconfig-related build error in talitos * 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: crypto: hisilicon - fix a NULL vs IS_ERR() bug in sec_create_qp_ctx() crypto: talitos - Fix build error by selecting LIB_DES crypto: arch - conditionalize crypto api in arch glue for lib code |
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Linus Torvalds
|
120e47686a |
OpenRISC updates for 5.5
One thing for 5.5: - White space fixups in Kconfig files from Krzysztof Kozlowski -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEE2cRzVK74bBA6Je/xw7McLV5mJ+QFAl3k+aAACgkQw7McLV5m J+R0VQ//SM2WKw9RRTqFOfZMAkQ9wR9HiN3UbTFU1wM5ahQLFuMKv1Z3v7mw08qH 3ftNZ9p2UAtE5HvAXvx229QdCsRnyMMMpavg3i5nKiAP7O+z0/ig9hjv/PHd10sM nWTOMcmez1/VWVj//NzSmq12TZbCJsgwtZhaeyipzascPAJz0UBFPZi9UQilOoSB kgut4xSbokUbQf/72uPsPod83nE08JxqHfJ7LS+x9silJiKuXiMdQfPlAi6aJHmt QHLes45mr5pxe7czMsIA2eNxk9pfH4gE51uT2rJsrzHYTOk2UqBGReeT1rsuivS1 kf5FZ1ma6kD3xSCP/qCVjEmRinSpUPz5IQtq99fu+ugvXRsfHPByrp7TILbqu8n4 j1OBmhCejjcrVhMzLCXaVbZtXtsC7ZVe8eGJvLQeEHPYReHTVRa8CDghTmI46i7Y QgfhJAsR0d2EiPCWC+OM9szl2Qe5Bv0IKorjg1EcFM7sCAr0AY8R4eqRJRhgDPPl OKfL63AjvCYs38II+H5J9uevJTRefaS8DFC1vF4ZugNjGEK7ahZza5oHw3irkVlI TX9kLTRt1MlUzqNH+rwSN0J8gzLgNA1THYeQBM5Rwh4pGRiICIkppt2CWLAaMs/e +sVfsEv/fXTHJ6reAvO5lb8v7qp89cC4qVk8tOxt1GN9i62F7ho= =9ZXZ -----END PGP SIGNATURE----- Merge tag 'for-linus' of git://github.com/openrisc/linux Pull OpenRISC update from Stafford Horne: "White space fixups in Kconfig files from Krzysztof Kozlowski" * tag 'for-linus' of git://github.com/openrisc/linux: openrisc: Fix Kconfig indentation |
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Linus Torvalds
|
fcaa0ad72d |
This pull request contains the following changes for UML:
- Fixes for our new virtio code - Fix for the irqflags tracer - Kconfig coding style fixes - Allow BPF firmware loading in our vector driver -----BEGIN PGP SIGNATURE----- iQJKBAABCAA0FiEEdgfidid8lnn52cLTZvlZhesYu8EFAl3kHVYWHHJpY2hhcmRA c2lnbWEtc3Rhci5hdAAKCRBm+VmF6xi7wfdLD/41dQOInpHrfD4laBQB18TKqiMD cb7c6Se2x3Buzm9Mo8V1mRF2dXUCYZ113QyzuCtinbig1YJGhzPiuOqyjsX5dVRH v1e5G9OVyQ8k34LmYKuHN1ZmSrPShmwqQGUSZc5Or1U35yTMibqk1/g5Glw7lgeF Ca21CcWBodrjrqU3pq26Xf47u8MeMZcmJrmA4YBeRXi0tQp7GJpL4qivjtKD/b4v CfLbEBDdaNlpwLe1B+OJI3scWYvqepoRJkEGy9jwS4gkq6sobHTW35nuGJPuxdHd dODK7nkW/+NTb1X5c2zch4j1fLkmyIEsfFIQtrG88aqFN0c1ByUu0K9BEfTpDjRo TFHgDTxakxEReTaMTkZlzF+l/9HWOIzjTUoG2hv+gD42Tjw11tbFCNH0RqaKQ3r6 vXAdHu2h/N7TULHetT3PwuCx5S0gI3CSgz3HiLpDbRKfC4l/K/8RwU9anyvXROcf D/U4Dv6KIkzjdxopMkPWwWqnAk/vFQm2m9QL6QlX2e21y9gF75l1fkzGKusBRakp /6QQBy+W4zmuwZuGO1Mm9sXxdnhnrUqFuxBDBlCnS5WZOMP8hcc8Aqyde/qfRXOp KyY1QuBQpyjCdgNd2iY5GCbEKBd5AdreC7+Dn1JnbiQey/35HWy0d07uM8nwfKex 4qsLDFCma+HbqU96mA== =3LMX -----END PGP SIGNATURE----- Merge tag 'for-linus-5.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml Pull UML updates from Richard Weinberger: - Fixes for our new virtio code - Fix for the irqflags tracer - Kconfig coding style fixes - Allow BPF firmware loading in our vector driver * tag 'for-linus-5.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml: um: Loadable BPF "Firmware" for vector drivers um: Fix Kconfig indentation um: virtio_uml: Disallow modular build um: virtio: Keep reading on -EAGAIN um: virtio: Remove device on disconnect um: Don't trace irqflags during shutdown |