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| author | Ingo Molnar <mingo@kernel.org> | 2015-05-05 11:43:02 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2015-05-19 15:48:12 +0200 |
| commit | d364a7656c1855c940dfa4baf4ebcc3c6a9e6fd2 (patch) | |
| tree | 11d4d9bb8038d9d412698661dca4970bd3741ed6 /arch/x86/Kconfig.debug | |
| parent | e1884d69f643c743806ebb9bc9292863ef39e894 (diff) | |
| download | op-kernel-dev-d364a7656c1855c940dfa4baf4ebcc3c6a9e6fd2.zip op-kernel-dev-d364a7656c1855c940dfa4baf4ebcc3c6a9e6fd2.tar.gz | |
x86/fpu: Fix the 'nofxsr' boot parameter to also clear X86_FEATURE_FXSR_OPT
I tried to simulate an ancient CPU via this option, and
found that it still has fxsr_opt enabled, confusing the
FPU code.
Make the 'nofxsr' option also clear FXSR_OPT flag.
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/Kconfig.debug')
0 files changed, 0 insertions, 0 deletions
