linux_dsm_epyc7002/sound
Linus Torvalds 96d4f267e4 Remove 'type' argument from access_ok() function
Nobody has actually used the type (VERIFY_READ vs VERIFY_WRITE) argument
of the user address range verification function since we got rid of the
old racy i386-only code to walk page tables by hand.

It existed because the original 80386 would not honor the write protect
bit when in kernel mode, so you had to do COW by hand before doing any
user access.  But we haven't supported that in a long time, and these
days the 'type' argument is a purely historical artifact.

A discussion about extending 'user_access_begin()' to do the range
checking resulted this patch, because there is no way we're going to
move the old VERIFY_xyz interface to that model.  And it's best done at
the end of the merge window when I've done most of my merges, so let's
just get this done once and for all.

This patch was mostly done with a sed-script, with manual fix-ups for
the cases that weren't of the trivial 'access_ok(VERIFY_xyz' form.

There were a couple of notable cases:

 - csky still had the old "verify_area()" name as an alias.

 - the iter_iov code had magical hardcoded knowledge of the actual
   values of VERIFY_{READ,WRITE} (not that they mattered, since nothing
   really used it)

 - microblaze used the type argument for a debug printout

but other than those oddities this should be a total no-op patch.

I tried to fix up all architectures, did fairly extensive grepping for
access_ok() uses, and the changes are trivial, but I may have missed
something.  Any missed conversion should be trivially fixable, though.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-01-03 18:57:57 -08:00
..
ac97
aoa ALSA: aoa: Use of_node_name_eq for node name comparisons 2018-12-06 10:54:54 +01:00
arm
atmel
core Remove 'type' argument from access_ok() function 2019-01-03 18:57:57 -08:00
drivers
firewire ALSA: bebob: fix model-id of unit for Apogee Ensemble 2018-12-19 14:36:35 +01:00
hda ALSA: HDA: export process_unsol_events() 2018-12-19 18:07:18 +01:00
i2c
isa Remove 'type' argument from access_ok() function 2019-01-03 18:57:57 -08:00
mips
oss
parisc
pci ALSA: hda - Revert DSP detection on legacy HD-audio driver 2019-01-01 20:43:01 +01:00
pcmcia
ppc ALSA: aoa: Use of_node_name_eq for node name comparisons 2018-12-06 10:54:54 +01:00
sh
soc ALSA: hda - Revert DSP detection on legacy HD-audio driver 2019-01-01 20:43:01 +01:00
sparc Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-next 2018-12-26 10:32:18 -08:00
spi
synth ALSA: emux: Fix potential Spectre v1 vulnerabilities 2018-12-13 09:13:04 +01:00
usb Merge branch 'for-linus' into for-next 2018-12-07 11:40:04 +01:00
x86
xen ALSA: xen-front: Use Xen common shared buffer implementation 2018-12-18 12:19:37 -05:00
ac97_bus.c
Kconfig
last.c
Makefile
sound_core.c