| commit | 124482935fb7fb9303c8a8ab930149c6a93d9910 | |
| author | Andi Kleen <andi@firstfloor.org> | |
| Fri, 18 Jun 2010 21:09:00 +0000 (18 23:09 +0200) | ||
| committer | H. Peter Anvin <hpa@linux.intel.com> | |
| Fri, 18 Jun 2010 21:16:31 +0000 (18 14:16 -0700) | ||
| tree | 0c5aa0cd2e19bad8fce42d0d551e84c30f708aa5 | treesnapshot (tar.gz zip) |
| parent | 6a4f3b523779b67e7d560ed42652f8a59f2f9782 | commitdiff |
x86: Fix vsyscall on gcc 4.5 with -Os
This fixes the -Os breaks with gcc 4.5 bug. rdtsc_barrier needs to be
force inlined, otherwise user space will jump into kernel space and
kill init.
This also addresses http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44129
I believe.
Signed-off-by: Andi Kleen <ak@linux.intel.com>
LKML-Reference: <20100618210859.GA10913@basil.fritz.box>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Cc: <stable@kernel.org>
This fixes the -Os breaks with gcc 4.5 bug. rdtsc_barrier needs to be
force inlined, otherwise user space will jump into kernel space and
kill init.
This also addresses http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44129
I believe.
Signed-off-by: Andi Kleen <ak@linux.intel.com>
LKML-Reference: <20100618210859.GA10913@basil.fritz.box>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Cc: <stable@kernel.org>
| arch/x86/include/asm/system.h | diffblobblamehistory |