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| author | Andy Lutomirski <luto@kernel.org> | 2016-04-26 12:23:26 -0700 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-04-29 11:56:41 +0200 |
| commit | 45e876f794e8e566bf827c25ef0791875081724f (patch) | |
| tree | 0c725250ba4073785997ea5a74bdb1f7e84cb9d7 /arch/x86/include/uapi | |
| parent | f005f5d860e0231fe212cfda8c1a3148b99609f4 (diff) | |
| download | linux-45e876f794e8e566bf827c25ef0791875081724f.tar.bz2 | |
x86/segments/64: When loadsegment(fs, ...) fails, clear the base
On AMD CPUs, a failed loadsegment currently may not clear the FS
base. Fix it.
While we're at it, prevent loadsegment(gs, xyz) from even compiling
on 64-bit kernels. It shouldn't be used.
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>
Link: http://lkml.kernel.org/r/a084c1b93b7b1408b58d3fd0b5d6e47da8e7d7cf.1461698311.git.luto@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/include/uapi')
0 files changed, 0 insertions, 0 deletions