]> git.ipfire.org Git - thirdparty/kernel/stable.git/commit
x86/power/32: Move SYSENTER MSR restoration to fix_processor_context()
authorAndy Lutomirski <luto@kernel.org>
Thu, 14 Dec 2017 21:19:06 +0000 (13:19 -0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 17 Apr 2019 06:37:43 +0000 (08:37 +0200)
commit28c25a93926066500c9be08197b4535cbdb00165
tree547b0238d50982079dccb51920dcff6b299a4580
parentc4cafb8a3ee0e9e0ca86f36623a5facfa5b93bd8
x86/power/32: Move SYSENTER MSR restoration to fix_processor_context()

[ Upstream commit 896c80bef4d3b357814a476663158aaf669d0fb3 ]

x86_64 restores system call MSRs in fix_processor_context(), and
x86_32 restored them along with segment registers.  The 64-bit
variant makes more sense, so move the 32-bit code to match the
64-bit code.

No side effects are expected to runtime behavior.

Tested-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: Andy Lutomirski <luto@kernel.org>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Borislav Petkov <bpetkov@suse.de>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rafael J. Wysocki <rjw@rjwysocki.net>
Cc: Zhang Rui <rui.zhang@intel.com>
Link: http://lkml.kernel.org/r/65158f8d7ee64dd6bbc6c1c83b3b34aaa854e3ae.1513286253.git.luto@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
arch/x86/power/cpu.c