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| author | Ingo Molnar <mingo@kernel.org> | 2017-09-23 15:00:03 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-09-24 13:04:34 +0200 |
| commit | 99dc26bda233ee722bbd370bddf20beece3ffb93 (patch) | |
| tree | c78b81c8c8b57c2859f272e97c23c5e4986fc06c /arch/x86/include/asm/fpu/types.h | |
| parent | 6cf4edbe0526db311a28734609da888fdfcb3604 (diff) | |
| download | linux-0-day-99dc26bda233ee722bbd370bddf20beece3ffb93.tar.gz linux-0-day-99dc26bda233ee722bbd370bddf20beece3ffb93.tar.xz | |
x86/fpu: Remove struct fpu::fpregs_active
The previous changes paved the way for the removal of the
fpu::fpregs_active state flag - we now only have the
fpu::fpstate_active and fpu::last_cpu fields left.
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Eric Biggers <ebiggers3@gmail.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rik van Riel <riel@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Yu-cheng Yu <yu-cheng.yu@intel.com>
Link: http://lkml.kernel.org/r/20170923130016.21448-21-mingo@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/include/asm/fpu/types.h')
| -rw-r--r-- | arch/x86/include/asm/fpu/types.h | 23 |
1 files changed, 0 insertions, 23 deletions
diff --git a/arch/x86/include/asm/fpu/types.h b/arch/x86/include/asm/fpu/types.h index 3c80f5b9c09d8..0c314a397cf52 100644 --- a/arch/x86/include/asm/fpu/types.h +++ b/arch/x86/include/asm/fpu/types.h @@ -299,29 +299,6 @@ struct fpu { unsigned char fpstate_active; /* - * @fpregs_active: - * - * This flag determines whether a given context is actively - * loaded into the FPU's registers and that those registers - * represent the task's current FPU state. - * - * Note the interaction with fpstate_active: - * - * # task does not use the FPU: - * fpstate_active == 0 - * - * # task uses the FPU and regs are active: - * fpstate_active == 1 && fpregs_active == 1 - * - * # the regs are inactive but still match fpstate: - * fpstate_active == 1 && fpregs_active == 0 && fpregs_owner == fpu - * - * The third state is what we use for the lazy restore optimization - * on lazy-switching CPUs. - */ - unsigned char fpregs_active; - - /* * @state: * * In-memory copy of all FPU registers that we save/restore |