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Groups > linux.kernel > #1536575
| From | Andy Lutomirski <luto@kernel.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [RFC PATCH 0/6] CPUID and FPU fixes |
| Date | 2016-12-06 02:10 +0100 |
| Message-ID | <sLcqB-3CS-9@gated-at.bofh.it> (permalink) |
| Organization | linux.* mail to news gateway |
Our CPUID-less FPU detection code was terminally broken and, as far as I can tell, it's been broken for a long, long time. This series tries to improve the situation. Thoughts? Andy Lutomirski (5): x86/cpu: Factor out application of forced cpu caps x86/cpu: Re-apply forced caps every time cpu caps are re-read x86/fpu: Fix "x86/fpu: Legacy x87 FPU detected" message x86/fpu: Fix CPUID-less FPU detection x86/fpu: Fix the "Giving up, no FPU found" test Borislav Petkov (1): x86/CPU: Add X86_FEATURE_CPUID arch/x86/include/asm/cpufeatures.h | 2 +- arch/x86/kernel/cpu/common.c | 35 ++++++++++++++++++++++++----------- arch/x86/kernel/fpu/init.c | 30 +++++++++++++++++------------- arch/x86/kernel/fpu/xstate.c | 7 ++++++- 4 files changed, 48 insertions(+), 26 deletions(-) -- 2.9.3
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[RFC PATCH 0/6] CPUID and FPU fixes Andy Lutomirski <luto@kernel.org> - 2016-12-06 02:10 +0100
[RFC PATCH 4/6] x86/fpu: Fix "x86/fpu: Legacy x87 FPU detected" message Andy Lutomirski <luto@kernel.org> - 2016-12-06 02:10 +0100
Re: [RFC PATCH 4/6] x86/fpu: Fix "x86/fpu: Legacy x87 FPU detected" message Borislav Petkov <bp@alien8.de> - 2016-12-06 10:30 +0100
Re: [RFC PATCH 4/6] x86/fpu: Fix "x86/fpu: Legacy x87 FPU detected" message Andy Lutomirski <luto@amacapital.net> - 2016-12-06 19:10 +0100
Re: [RFC PATCH 4/6] x86/fpu: Fix "x86/fpu: Legacy x87 FPU detected" message Borislav Petkov <bp@alien8.de> - 2016-12-06 19:10 +0100
[RFC PATCH 5/6] x86/fpu: Fix CPUID-less FPU detection Andy Lutomirski <luto@kernel.org> - 2016-12-06 02:10 +0100
Re: [RFC PATCH 5/6] x86/fpu: Fix CPUID-less FPU detection Borislav Petkov <bp@alien8.de> - 2016-12-06 10:50 +0100
Re: [RFC PATCH 5/6] x86/fpu: Fix CPUID-less FPU detection Andy Lutomirski <luto@amacapital.net> - 2016-12-06 19:00 +0100
Re: [RFC PATCH 5/6] x86/fpu: Fix CPUID-less FPU detection Borislav Petkov <bp@alien8.de> - 2016-12-07 10:50 +0100
[RFC PATCH 6/6] x86/fpu: Fix the "Giving up, no FPU found" test Andy Lutomirski <luto@kernel.org> - 2016-12-06 02:10 +0100
[RFC PATCH 3/6] x86/cpu: Re-apply forced caps every time cpu caps are re-read Andy Lutomirski <luto@kernel.org> - 2016-12-06 02:10 +0100
Re: [RFC PATCH 3/6] x86/cpu: Re-apply forced caps every time cpu caps are re-read Borislav Petkov <bp@alien8.de> - 2016-12-06 10:00 +0100
[RFC PATCH 2/6] x86/cpu: Factor out application of forced cpu caps Andy Lutomirski <luto@kernel.org> - 2016-12-06 02:10 +0100
Re: [RFC PATCH 2/6] x86/cpu: Factor out application of forced cpu caps Borislav Petkov <bp@alien8.de> - 2016-12-06 09:40 +0100
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