x86/fpu: Remove CR0.TS support
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- v1 Latest8 patches 6 repliesIn review
Patches in v1 No applies recorded yet
| # | Subject and files | Size | Replies | Applied |
|---|---|---|---|---|
| 1/8 | fpu/init: Get rid of two redundant clts() callsarch/ | +0 | 0 replies | |
| 2/8 | fpu/bugs: Stop saving and restoring CR0.TS in fpu__init_check_bugs()arch/ | +0 | 0 replies | |
| 3/8 | x86/fpu: Remove irq_ts_save() and irq_ts_restore()arch/ arch/ drivers/ +2 more | +4 | 0 replies | |
| 4/8 | x86/kvm: Remove host CR0.TS manipulationarch/ arch/ | +4 | 0 replies | |
| 5/8 | lguest: Remove CR0.TS supportarch/ arch/ drivers/ +2 more | +8 | 0 replies | |
| 6/8 | x86/fpu: #NM without FPU emulation is an errorarch/ | +16 | 0 replies | |
| 7/8 | x86/fpu: Remove stts()arch/ | +0 | 0 replies | |
| 8/8 | x86/fpu: Remove clts()arch/ arch/ arch/ +5 more | +0 | 0 replies |
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Cover letter [PATCH 0/8] x86/fpu: Remove CR0.TS support
We don't do anything useful with CR0.TS anymore, so remove most of our support for it.
I havne't meaningfully tested lguest because I can't get it to work even without these patches.
Andy Lutomirski (8):
fpu/init: Get rid of two redundant clts() calls
fpu/bugs: Stop saving and restoring CR0.TS in fpu__init_check_bugs() x86/fpu: Remove irq_ts_save() and irq_ts_restore() x86/kvm: Remove host CR0.TS manipulation
lguest: Remove CR0.TS support
x86/fpu: #NM without FPU emulation is an error
x86/fpu: Remove stts()
x86/fpu: Remove clts()
arch/x86/include/asm/fpu/api.h | 10 ---------- arch/x86/include/asm/lguest_hcall.h | 1 - arch/x86/include/asm/paravirt.h | 5 ----- arch/x86/include/asm/paravirt_types.h | 2 -- arch/x86/include/asm/special_insns.h | 13 ------------- arch/x86/kernel/fpu/bugs.c | 7 ------- arch/x86/kernel/fpu/core.c | 29 ----------------------------- arch/x86/kernel/fpu/init.c | 18 ------------------ arch/x86/kernel/paravirt.c | 1 - arch/x86/kernel/paravirt_patch_32.c | 2 -- arch/x86/kernel/paravirt_patch_64.c | 2 -- arch/x86/kernel/traps.c | 20 ++++++++++++++++---- arch/x86/kvm/vmx.c | 12 ++++-------- arch/x86/kvm/x86.c | 5 ----- arch/x86/lguest/boot.c | 29 +++++++---------------------- arch/x86/xen/enlighten.c | 13 ------------- drivers/char/hw_random/via-rng.c | 8 ++------ drivers/crypto/padlock-aes.c | 23 ++--------------------- drivers/crypto/padlock-sha.c | 18 ------------------ drivers/lguest/hypercalls.c | 4 ---- drivers/lguest/lg.h | 1 - drivers/lguest/x86/core.c | 19 +------------------ 22 files changed, 32 insertions(+), 210 deletions(-)
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