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| author |   Thomas Gleixner <tglx@linutronix.de> | 2021-10-13 16:55:40 +0200 |
|---|---|---|
| committer |   Borislav Petkov <bp@suse.de> | 2021-10-20 23:57:54 +0200 |
| commit | 63d6bdf36ce1541e656966604c12ac4d9fc5d1f0 (patch) | |
| tree | 76a704978dae1200984917fcd781539125a92f8b | |
| parent | x86/fpu/core: Convert to fpstate (diff) | |
| download | linux-dev-63d6bdf36ce1541e656966604c12ac4d9fc5d1f0.tar.xz linux-dev-63d6bdf36ce1541e656966604c12ac4d9fc5d1f0.zip | |
x86/math-emu: Convert to fpstate
Convert math emulation code to the new register storage
mechanism in preparation for dynamically sized buffers.
No functional change.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20211013145322.711347464@linutronix.de
| -rw-r--r-- | arch/x86/math-emu/fpu_aux.c | 2 | ||||
| -rw-r--r-- | arch/x86/math-emu/fpu_entry.c | 4 | ||||
| -rw-r--r-- | arch/x86/math-emu/fpu_system.h | 2 |
3 files changed, 4 insertions, 4 deletions
diff --git a/arch/x86/math-emu/fpu_aux.c b/arch/x86/math-emu/fpu_aux.c index 034748459482..d62662bdd460 100644 --- a/arch/x86/math-emu/fpu_aux.c +++ b/arch/x86/math-emu/fpu_aux.c @@ -53,7 +53,7 @@ void fpstate_init_soft(struct swregs_state *soft) void finit(void) { - fpstate_init_soft(¤t->thread.fpu.state.soft); + fpstate_init_soft(¤t->thread.fpu.fpstate->regs.soft); } /* diff --git a/arch/x86/math-emu/fpu_entry.c b/arch/x86/math-emu/fpu_entry.c index 50195e249753..7fe56c594aa6 100644 --- a/arch/x86/math-emu/fpu_entry.c +++ b/arch/x86/math-emu/fpu_entry.c @@ -640,7 +640,7 @@ int fpregs_soft_set(struct task_struct *target, unsigned int pos, unsigned int count, const void *kbuf, const void __user *ubuf) { - struct swregs_state *s387 = &target->thread.fpu.state.soft; + struct swregs_state *s387 = &target->thread.fpu.fpstate->regs.soft; void *space = s387->st_space; int ret; int offset, other, i, tags, regnr, tag, newtop; @@ -691,7 +691,7 @@ int fpregs_soft_get(struct task_struct *target, const struct user_regset *regset, struct membuf to) { - struct swregs_state *s387 = &target->thread.fpu.state.soft; + struct swregs_state *s387 = &target->thread.fpu.fpstate->regs.soft; const void *space = s387->st_space; int offset = (S387->ftop & 7) * 10, other = 80 - offset; diff --git a/arch/x86/math-emu/fpu_system.h b/arch/x86/math-emu/fpu_system.h index 9b41391867dc..eec3e4805c75 100644 --- a/arch/x86/math-emu/fpu_system.h +++ b/arch/x86/math-emu/fpu_system.h @@ -73,7 +73,7 @@ static inline bool seg_writable(struct desc_struct *d) return (d->type & SEG_TYPE_EXECUTE_MASK) == SEG_TYPE_WRITABLE; } -#define I387 (¤t->thread.fpu.state) +#define I387 (¤t->thread.fpu.fpstate->regs) #define FPU_info (I387->soft.info) #define FPU_CS (*(unsigned short *) &(FPU_info->regs->cs)) |