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Christophe Leroy 66d1918b2d powerpc/powermac: Fix low_sleep_handler with CONFIG_VMAP_STACK 
[ Upstream commit db972a3787d12b1ce9ba7a31ec376d8a79e04c47 ]

low_sleep_handler() can't restore the context from standard
stack because the stack can hardly be accessed with MMU OFF.

Store everything in a global storage area instead of storing
a pointer to the stack in that global storage area.

To avoid a complete churn of the function, still use r1 as
the pointer to the storage area during restore.

Fixes: cd08f109e2 ("powerpc/32s: Enable CONFIG_VMAP_STACK")
Reported-by: Giuseppe Sacco <giuseppe@sguazz.it>
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Tested-by: Giuseppe Sacco <giuseppe@sguazz.it>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/e3e0d8042a3ba75cb4a9546c19c408b5b5b28994.1607404931.git.christophe.leroy@csgroup.eu
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-12-30 11:53:43 +01:00
arch powerpc/powermac: Fix low_sleep_handler with CONFIG_VMAP_STACK 2020-12-30 11:53:43 +01:00
block block-5.10-2020-12-05 2020-12-05 14:45:30 -08:00
certs
crypto crypto: Kconfig - CRYPTO_MANAGER_EXTRA_TESTS requires the manager 2020-12-30 11:53:09 +01:00
Documentation USB: UAS: introduce a quirk to set no_write_same 2020-12-21 13:30:08 +01:00
drivers platform/x86: mlx-platform: Fix item counter assignment for MSN2700/ComEx system 2020-12-30 11:53:43 +01:00
fs f2fs: fix double free of unicode map 2020-12-30 11:53:31 +01:00
include seq_buf: Avoid type mismatch for seq_buf_init 2020-12-30 11:53:42 +01:00
init initramfs: fix clang build failure 2020-12-11 14:02:14 -08:00
ipc
kernel bpf: Fix bpf_put_raw_tracepoint()'s use of __module_address() 2020-12-30 11:53:34 +01:00
lib selftest/fpu: avoid clang warning 2020-12-11 14:02:14 -08:00
LICENSES
mm mm/hugetlb: clear compound_nr before freeing gigantic pages 2020-12-11 14:02:14 -08:00
net Bluetooth: sco: Fix crash when using BT_SNDMTU/BT_RCVMTU option 2020-12-30 11:53:40 +01:00
samples samples: bpf: Fix lwt_len_hist reusing previous BPF map 2020-12-30 11:53:23 +01:00
scripts scripts: kernel-doc: fix parsing function-like typedefs 2020-12-30 11:53:33 +01:00
security selinux: fix inode_doinit_with_dentry() LABEL_INVALID error handling 2020-12-30 11:53:03 +01:00
sound ASoC: qcom: fix QDSP6 dependencies, attempt #3 2020-12-30 11:53:36 +01:00
tools selftests/bpf: Fix invalid use of strncat in test_sockmap 2020-12-30 11:53:34 +01:00
usr
virt
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap mailmap: add two more addresses of Uwe Kleine-König 2020-12-06 10:19:07 -08:00
COPYING
CREDITS MAINTAINERS: Move Jason Cooper to CREDITS 2020-11-30 10:20:34 +01:00
Kbuild
Kconfig
MAINTAINERS Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-12-10 15:30:13 -08:00
Makefile Linux 5.10.3 2020-12-26 16:02:46 +01:00
README

README 

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.