linux

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History

Andy Lutomirski 3bd29515d1 x86/entry/32: Fix FS and GS restore in opportunistic SYSEXIT

We either need to restore them before popping and thus changing
ESP, or we need to adjust the offsets.  The former is simpler.

Reported-and-tested-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Andy Lutomirski <luto@kernel.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Fixes: 5f310f739b4c x86/entry/32: ("Re-implement SYSENTER using the new C path")
Link: http://lkml.kernel.org/r/461e5c7d8fa3821529893a4893ac9c4bc37f9e17.1445035014.git.luto@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>

2015-10-18 12:11:16 +02:00

syscalls

x86/entry/64/compat: Set up full pt_regs for all compat syscalls

2015-10-09 09:41:07 +02:00

vdso

x86/entry/32: Re-implement SYSENTER using the new C path

2015-10-09 09:41:10 +02:00

vsyscall

x86/entry/vsyscall: Fix undefined symbol warning

2015-09-21 09:56:59 +02:00

calling.h

x86/asm/entry/64: Save all regs on interrupt entry