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x86/fpu: Harmonize FPU register state types

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Use these consistent names:

    struct fregs_state           # was: i387_fsave_struct
    struct fxregs_state          # was: i387_fxsave_struct
    struct swregs_state          # was: i387_soft_struct
    struct xregs_state           # was: xsave_struct
    union  fpregs_state          # was: thread_xstate

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>
This commit is contained in:
Ingo Molnar 2015-04-30 17:15:32 +02:00
parent 0c306bcfba
commit c47ada305d
14 changed files with 82 additions and 82 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
arch/x86/include/asm/fpu/internal.h
View File

@ -22,20 +22,20 @@
extern unsigned int mxcsr_feature_mask;
extern union thread_xstate init_fpstate;
extern union fpregs_state init_fpstate;
extern void fpu__init_cpu(void);
extern void fpu__init_system_xstate(void);
extern void fpu__init_cpu_xstate(void);
extern void fpu__init_system(struct cpuinfo_x86 *c);
extern void fpstate_init(union thread_xstate *state);
extern void fpstate_init(union fpregs_state *state);
#ifdef CONFIG_MATH_EMULATION
extern void fpstate_init_soft(struct i387_soft_struct *soft);
extern void fpstate_init_soft(struct swregs_state *soft);
#else
static inline void fpstate_init_soft(struct i387_soft_struct *soft) {}
static inline void fpstate_init_soft(struct swregs_state *soft) {}
#endif
static inline void fpstate_init_fxstate(struct i387_fxsave_struct *fx)
static inline void fpstate_init_fxstate(struct fxregs_state *fx)
{
fx->cwd = 0x37f;
fx->mxcsr = MXCSR_DEFAULT;
@ -133,12 +133,12 @@ extern void fpstate_sanitize_xstate(struct fpu *fpu);
err; \
})
static inline int copy_fregs_to_user(struct i387_fsave_struct __user *fx)
static inline int copy_fregs_to_user(struct fregs_state __user *fx)
{
return user_insn(fnsave %[fx]; fwait, [fx] "=m" (*fx), "m" (*fx));
}
static inline int copy_fxregs_to_user(struct i387_fxsave_struct __user *fx)
static inline int copy_fxregs_to_user(struct fxregs_state __user *fx)
{
if (config_enabled(CONFIG_X86_32))
return user_insn(fxsave %[fx], [fx] "=m" (*fx), "m" (*fx));
@ -149,7 +149,7 @@ static inline int copy_fxregs_to_user(struct i387_fxsave_struct __user *fx)
return user_insn(rex64/fxsave (%[fx]), "=m" (*fx), [fx] "R" (fx));
}
static inline int copy_kernel_to_fxregs(struct i387_fxsave_struct *fx)
static inline int copy_kernel_to_fxregs(struct fxregs_state *fx)
{
if (config_enabled(CONFIG_X86_32))
return check_insn(fxrstor %[fx], "=m" (*fx), [fx] "m" (*fx));
@ -161,7 +161,7 @@ static inline int copy_kernel_to_fxregs(struct i387_fxsave_struct *fx)
"m" (*fx));
}
static inline int copy_user_to_fxregs(struct i387_fxsave_struct __user *fx)
static inline int copy_user_to_fxregs(struct fxregs_state __user *fx)
{
if (config_enabled(CONFIG_X86_32))
return user_insn(fxrstor %[fx], "=m" (*fx), [fx] "m" (*fx));
@ -173,12 +173,12 @@ static inline int copy_user_to_fxregs(struct i387_fxsave_struct __user *fx)
"m" (*fx));
}
static inline int copy_kernel_to_fregs(struct i387_fsave_struct *fx)
static inline int copy_kernel_to_fregs(struct fregs_state *fx)
{
return check_insn(frstor %[fx], "=m" (*fx), [fx] "m" (*fx));
}
static inline int copy_user_to_fregs(struct i387_fsave_struct __user *fx)
static inline int copy_user_to_fregs(struct fregs_state __user *fx)
{
return user_insn(frstor %[fx], "=m" (*fx), [fx] "m" (*fx));
}

24
arch/x86/include/asm/fpu/types.h
View File

@ -4,7 +4,7 @@
#ifndef _ASM_X86_FPU_H
#define _ASM_X86_FPU_H
struct i387_fsave_struct {
struct fregs_state {
u32 cwd; /* FPU Control Word */
u32 swd; /* FPU Status Word */
u32 twd; /* FPU Tag Word */
@ -20,7 +20,7 @@ struct i387_fsave_struct {
u32 status;
};
struct i387_fxsave_struct {
struct fxregs_state {
u16 cwd; /* Control Word */
u16 swd; /* Status Word */
u16 twd; /* Tag Word */
@ -58,7 +58,7 @@ struct i387_fxsave_struct {
/*
* Software based FPU emulation state:
*/
struct i387_soft_struct {
struct swregs_state {
u32 cwd;
u32 swd;
u32 twd;
@ -109,7 +109,7 @@ enum xfeature_bit {
/*
* There are 16x 256-bit AVX registers named YMM0-YMM15.
* The low 128 bits are aliased to the 16 SSE registers (XMM0-XMM15)
* and are stored in 'struct i387_fxsave_struct::xmm_space[]'.
* and are stored in 'struct fxregs_state::xmm_space[]'.
*
* The high 128 bits are stored here:
* 16x 128 bits == 256 bytes.
@ -140,8 +140,8 @@ struct xstate_header {
u64 reserved[6];
} __attribute__((packed));
struct xsave_struct {
struct i387_fxsave_struct i387;
struct xregs_state {
struct fxregs_state i387;
struct xstate_header header;
struct ymmh_struct ymmh;
struct lwp_struct lwp;
@ -150,11 +150,11 @@ struct xsave_struct {
/* New processor state extensions will go here. */
} __attribute__ ((packed, aligned (64)));
union thread_xstate {
struct i387_fsave_struct fsave;
struct i387_fxsave_struct fxsave;
struct i387_soft_struct soft;
struct xsave_struct xsave;
union fpregs_state {
struct fregs_state fsave;
struct fxregs_state fxsave;
struct swregs_state soft;
struct xregs_state xsave;
};
struct fpu {
@ -171,7 +171,7 @@ struct fpu {
unsigned int last_cpu;
unsigned int fpregs_active;
union thread_xstate state;
union fpregs_state state;
/*
* This counter contains the number of consecutive context switches
* during which the FPU stays used. If this is over a threshold, the

16
arch/x86/include/asm/fpu/xstate.h
View File

@ -58,7 +58,7 @@ extern void update_regset_xstate_info(unsigned int size, u64 xstate_mask);
* This function is called only during boot time when x86 caps are not set
* up and alternative can not be used yet.
*/
static inline int copy_xregs_to_kernel_booting(struct xsave_struct *fx)
static inline int copy_xregs_to_kernel_booting(struct xregs_state *fx)
{
u64 mask = -1;
u32 lmask = mask;
@ -86,7 +86,7 @@ static inline int copy_xregs_to_kernel_booting(struct xsave_struct *fx)
* This function is called only during boot time when x86 caps are not set
* up and alternative can not be used yet.
*/
static inline int copy_kernel_to_xregs_booting(struct xsave_struct *fx, u64 mask)
static inline int copy_kernel_to_xregs_booting(struct xregs_state *fx, u64 mask)
{
u32 lmask = mask;
u32 hmask = mask >> 32;
@ -112,7 +112,7 @@ static inline int copy_kernel_to_xregs_booting(struct xsave_struct *fx, u64 mask
/*
* Save processor xstate to xsave area.
*/
static inline int copy_xregs_to_kernel(struct xsave_struct *fx)
static inline int copy_xregs_to_kernel(struct xregs_state *fx)
{
u64 mask = -1;
u32 lmask = mask;
@ -151,7 +151,7 @@ static inline int copy_xregs_to_kernel(struct xsave_struct *fx)
/*
* Restore processor xstate from xsave area.
*/
static inline int copy_kernel_to_xregs(struct xsave_struct *fx, u64 mask)
static inline int copy_kernel_to_xregs(struct xregs_state *fx, u64 mask)
{
int err = 0;
u32 lmask = mask;
@ -186,7 +186,7 @@ static inline int copy_kernel_to_xregs(struct xsave_struct *fx, u64 mask)
* backward compatibility for old applications which don't understand
* compacted format of xsave area.
*/
static inline int copy_xregs_to_user(struct xsave_struct __user *buf)
static inline int copy_xregs_to_user(struct xregs_state __user *buf)
{
int err;
@ -210,10 +210,10 @@ static inline int copy_xregs_to_user(struct xsave_struct __user *buf)
/*
* Restore xstate from user space xsave area.
*/
static inline int copy_user_to_xregs(struct xsave_struct __user *buf, u64 mask)
static inline int copy_user_to_xregs(struct xregs_state __user *buf, u64 mask)
{
int err = 0;
struct xsave_struct *xstate = ((__force struct xsave_struct *)buf);
struct xregs_state *xstate = ((__force struct xregs_state *)buf);
u32 lmask = mask;
u32 hmask = mask >> 32;
@ -226,7 +226,7 @@ static inline int copy_user_to_xregs(struct xsave_struct __user *buf, u64 mask)
return err;
}
void *get_xsave_addr(struct xsave_struct *xsave, int xstate);
void *get_xsave_addr(struct xregs_state *xsave, int xstate);
void setup_xstate_comp(void);
#endif

8
arch/x86/include/asm/mpx.h
View File

@ -60,8 +60,8 @@
#ifdef CONFIG_X86_INTEL_MPX
siginfo_t *mpx_generate_siginfo(struct pt_regs *regs,
struct xsave_struct *xsave_buf);
int mpx_handle_bd_fault(struct xsave_struct *xsave_buf);
struct xregs_state *xsave_buf);
int mpx_handle_bd_fault(struct xregs_state *xsave_buf);
static inline int kernel_managing_mpx_tables(struct mm_struct *mm)
{
return (mm->bd_addr != MPX_INVALID_BOUNDS_DIR);
@ -78,11 +78,11 @@ void mpx_notify_unmap(struct mm_struct *mm, struct vm_area_struct *vma,
unsigned long start, unsigned long end);
#else
static inline siginfo_t *mpx_generate_siginfo(struct pt_regs *regs,
struct xsave_struct *xsave_buf)
struct xregs_state *xsave_buf)
{
return NULL;
}
static inline int mpx_handle_bd_fault(struct xsave_struct *xsave_buf)
static inline int mpx_handle_bd_fault(struct xregs_state *xsave_buf)
{
return -EINVAL;
}

6
arch/x86/kernel/fpu/core.c
View File

@ -16,7 +16,7 @@
* Represents the initial FPU state. It's mostly (but not completely) zeroes,
* depending on the FPU hardware format:
*/
union thread_xstate init_fpstate __read_mostly;
union fpregs_state init_fpstate __read_mostly;
/*
* Track whether the kernel is using the FPU state
@ -200,7 +200,7 @@ EXPORT_SYMBOL_GPL(fpu__save);
/*
* Legacy x87 fpstate state init:
*/
static inline void fpstate_init_fstate(struct i387_fsave_struct *fp)
static inline void fpstate_init_fstate(struct fregs_state *fp)
{
fp->cwd = 0xffff037fu;
fp->swd = 0xffff0000u;
@ -208,7 +208,7 @@ static inline void fpstate_init_fstate(struct i387_fsave_struct *fp)
fp->fos = 0xffff0000u;
}
void fpstate_init(union thread_xstate *state)
void fpstate_init(union fpregs_state *state)
{
if (!cpu_has_fpu) {
fpstate_init_soft(&state->soft);

8
arch/x86/kernel/fpu/init.c
View File

@ -95,7 +95,7 @@ static void fpu__init_system_mxcsr(void)
unsigned int mask = 0;
if (cpu_has_fxsr) {
struct i387_fxsave_struct fx_tmp __aligned(32) = { };
struct fxregs_state fx_tmp __aligned(32) = { };
asm volatile("fxsave %0" : "+m" (fx_tmp));
@ -155,12 +155,12 @@ static void fpu__init_system_xstate_size_legacy(void)
*/
setup_clear_cpu_cap(X86_FEATURE_XSAVE);
setup_clear_cpu_cap(X86_FEATURE_XSAVEOPT);
xstate_size = sizeof(struct i387_soft_struct);
xstate_size = sizeof(struct swregs_state);
} else {
if (cpu_has_fxsr)
xstate_size = sizeof(struct i387_fxsave_struct);
xstate_size = sizeof(struct fxregs_state);
else
xstate_size = sizeof(struct i387_fsave_struct);
xstate_size = sizeof(struct fregs_state);
}
}

10
arch/x86/kernel/fpu/regset.c
View File

@ -76,7 +76,7 @@ int xstateregs_get(struct task_struct *target, const struct user_regset *regset,
void *kbuf, void __user *ubuf)
{
struct fpu *fpu = &target->thread.fpu;
struct xsave_struct *xsave;
struct xregs_state *xsave;
int ret;
if (!cpu_has_xsave)
@ -105,7 +105,7 @@ int xstateregs_set(struct task_struct *target, const struct user_regset *regset,
const void *kbuf, const void __user *ubuf)
{
struct fpu *fpu = &target->thread.fpu;
struct xsave_struct *xsave;
struct xregs_state *xsave;
int ret;
if (!cpu_has_xsave)
@ -156,7 +156,7 @@ static inline unsigned short twd_i387_to_fxsr(unsigned short twd)
#define FP_EXP_TAG_SPECIAL 2
#define FP_EXP_TAG_EMPTY 3
static inline u32 twd_fxsr_to_i387(struct i387_fxsave_struct *fxsave)
static inline u32 twd_fxsr_to_i387(struct fxregs_state *fxsave)
{
struct _fpxreg *st;
u32 tos = (fxsave->swd >> 11) & 7;
@ -204,7 +204,7 @@ static inline u32 twd_fxsr_to_i387(struct i387_fxsave_struct *fxsave)
void
convert_from_fxsr(struct user_i387_ia32_struct *env, struct task_struct *tsk)
{
struct i387_fxsave_struct *fxsave = &tsk->thread.fpu.state.fxsave;
struct fxregs_state *fxsave = &tsk->thread.fpu.state.fxsave;
struct _fpreg *to = (struct _fpreg *) &env->st_space[0];
struct _fpxreg *from = (struct _fpxreg *) &fxsave->st_space[0];
int i;
@ -242,7 +242,7 @@ void convert_to_fxsr(struct task_struct *tsk,
const struct user_i387_ia32_struct *env)
{
struct i387_fxsave_struct *fxsave = &tsk->thread.fpu.state.fxsave;
struct fxregs_state *fxsave = &tsk->thread.fpu.state.fxsave;
struct _fpreg *from = (struct _fpreg *) &env->st_space[0];
struct _fpxreg *to = (struct _fpxreg *) &fxsave->st_space[0];
int i;

32
arch/x86/kernel/fpu/signal.c
View File

@ -17,11 +17,11 @@ static struct _fpx_sw_bytes fx_sw_reserved, fx_sw_reserved_ia32;
* Check for the presence of extended state information in the
* user fpstate pointer in the sigcontext.
*/
static inline int check_for_xstate(struct i387_fxsave_struct __user *buf,
static inline int check_for_xstate(struct fxregs_state __user *buf,
void __user *fpstate,
struct _fpx_sw_bytes *fx_sw)
{
int min_xstate_size = sizeof(struct i387_fxsave_struct) +
int min_xstate_size = sizeof(struct fxregs_state) +
sizeof(struct xstate_header);
unsigned int magic2;
@ -54,7 +54,7 @@ static inline int check_for_xstate(struct i387_fxsave_struct __user *buf,
static inline int save_fsave_header(struct task_struct *tsk, void __user *buf)
{
if (use_fxsr()) {
struct xsave_struct *xsave = &tsk->thread.fpu.state.xsave;
struct xregs_state *xsave = &tsk->thread.fpu.state.xsave;
struct user_i387_ia32_struct env;
struct _fpstate_ia32 __user *fp = buf;
@ -65,7 +65,7 @@ static inline int save_fsave_header(struct task_struct *tsk, void __user *buf)
__put_user(X86_FXSR_MAGIC, &fp->magic))
return -1;
} else {
struct i387_fsave_struct __user *fp = buf;
struct fregs_state __user *fp = buf;
u32 swd;
if (__get_user(swd, &fp->swd) || __put_user(swd, &fp->status))
return -1;
@ -76,7 +76,7 @@ static inline int save_fsave_header(struct task_struct *tsk, void __user *buf)
static inline int save_xstate_epilog(void __user *buf, int ia32_frame)
{
struct xsave_struct __user *x = buf;
struct xregs_state __user *x = buf;
struct _fpx_sw_bytes *sw_bytes;
u32 xfeatures;
int err;
@ -114,16 +114,16 @@ static inline int save_xstate_epilog(void __user *buf, int ia32_frame)
return err;
}
static inline int copy_fpregs_to_sigframe(struct xsave_struct __user *buf)
static inline int copy_fpregs_to_sigframe(struct xregs_state __user *buf)
{
int err;
if (use_xsave())
err = copy_xregs_to_user(buf);
else if (use_fxsr())
err = copy_fxregs_to_user((struct i387_fxsave_struct __user *) buf);
err = copy_fxregs_to_user((struct fxregs_state __user *) buf);
else
err = copy_fregs_to_user((struct i387_fsave_struct __user *) buf);
err = copy_fregs_to_user((struct fregs_state __user *) buf);
if (unlikely(err) && __clear_user(buf, xstate_size))
err = -EFAULT;
@ -152,7 +152,7 @@ static inline int copy_fpregs_to_sigframe(struct xsave_struct __user *buf)
*/
int copy_fpstate_to_sigframe(void __user *buf, void __user *buf_fx, int size)
{
struct xsave_struct *xsave = &current->thread.fpu.state.xsave;
struct xregs_state *xsave = &current->thread.fpu.state.xsave;
struct task_struct *tsk = current;
int ia32_fxstate = (buf != buf_fx);
@ -195,7 +195,7 @@ sanitize_restored_xstate(struct task_struct *tsk,
struct user_i387_ia32_struct *ia32_env,
u64 xfeatures, int fx_only)
{
struct xsave_struct *xsave = &tsk->thread.fpu.state.xsave;
struct xregs_state *xsave = &tsk->thread.fpu.state.xsave;
struct xstate_header *header = &xsave->header;
if (use_xsave()) {
@ -280,7 +280,7 @@ static int __fpu__restore_sig(void __user *buf, void __user *buf_fx, int size)
* memory layout. Restore just the FP/SSE and init all
* the other extended state.
*/
state_size = sizeof(struct i387_fxsave_struct);
state_size = sizeof(struct fxregs_state);
fx_only = 1;
} else {
state_size = fx_sw_user.xstate_size;
@ -353,8 +353,8 @@ int fpu__restore_sig(void __user *buf, int ia32_frame)
int size = xstate_sigframe_size();
if (ia32_frame && use_fxsr()) {
buf_fx = buf + sizeof(struct i387_fsave_struct);
size += sizeof(struct i387_fsave_struct);
buf_fx = buf + sizeof(struct fregs_state);
size += sizeof(struct fregs_state);
}
return __fpu__restore_sig(buf, buf_fx, size);
@ -368,8 +368,8 @@ fpu__alloc_mathframe(unsigned long sp, int ia32_frame,
*buf_fx = sp = round_down(sp - frame_size, 64);
if (ia32_frame && use_fxsr()) {
frame_size += sizeof(struct i387_fsave_struct);
sp -= sizeof(struct i387_fsave_struct);
frame_size += sizeof(struct fregs_state);
sp -= sizeof(struct fregs_state);
}
*size = frame_size;
@ -385,7 +385,7 @@ fpu__alloc_mathframe(unsigned long sp, int ia32_frame,
*/
void fpu__init_prepare_fx_sw_frame(void)
{
int fsave_header_size = sizeof(struct i387_fsave_struct);
int fsave_header_size = sizeof(struct fregs_state);
int size = xstate_size + FP_XSTATE_MAGIC2_SIZE;
if (config_enabled(CONFIG_X86_32))

6
arch/x86/kernel/fpu/xstate.c
View File

@ -91,7 +91,7 @@ EXPORT_SYMBOL_GPL(cpu_has_xfeatures);
*/
void fpstate_sanitize_xstate(struct fpu *fpu)
{
struct i387_fxsave_struct *fx = &fpu->state.fxsave;
struct fxregs_state *fx = &fpu->state.fxsave;
int feature_bit;
u64 xfeatures;
@ -231,7 +231,7 @@ void setup_xstate_comp(void)
* or standard form.
*/
xstate_comp_offsets[0] = 0;
xstate_comp_offsets[1] = offsetof(struct i387_fxsave_struct, xmm_space);
xstate_comp_offsets[1] = offsetof(struct fxregs_state, xmm_space);
if (!cpu_has_xsaves) {
for (i = 2; i < xfeatures_nr; i++) {
@ -386,7 +386,7 @@ void fpu__resume_cpu(void)
* Output:
* address of the state in the xsave area.
*/
void *get_xsave_addr(struct xsave_struct *xsave, int xstate)
void *get_xsave_addr(struct xregs_state *xsave, int xstate)
{
int feature = fls64(xstate) - 1;
if (!test_bit(feature, (unsigned long *)&xfeatures_mask))

2
arch/x86/kernel/traps.c
View File

@ -371,7 +371,7 @@ dotraplinkage void do_double_fault(struct pt_regs *regs, long error_code)
dotraplinkage void do_bounds(struct pt_regs *regs, long error_code)
{
struct task_struct *tsk = current;
struct xsave_struct *xsave_buf;
struct xregs_state *xsave_buf;
enum ctx_state prev_state;
struct bndcsr *bndcsr;
siginfo_t *info;

12
arch/x86/kvm/x86.c
View File

@ -3195,7 +3195,7 @@ static int kvm_vcpu_ioctl_x86_set_debugregs(struct kvm_vcpu *vcpu,
static void fill_xsave(u8 *dest, struct kvm_vcpu *vcpu)
{
struct xsave_struct *xsave = &vcpu->arch.guest_fpu.state.xsave;
struct xregs_state *xsave = &vcpu->arch.guest_fpu.state.xsave;
u64 xstate_bv = xsave->header.xfeatures;
u64 valid;
@ -3231,7 +3231,7 @@ static void fill_xsave(u8 *dest, struct kvm_vcpu *vcpu)
static void load_xsave(struct kvm_vcpu *vcpu, u8 *src)
{
struct xsave_struct *xsave = &vcpu->arch.guest_fpu.state.xsave;
struct xregs_state *xsave = &vcpu->arch.guest_fpu.state.xsave;
u64 xstate_bv = *(u64 *)(src + XSAVE_HDR_OFFSET);
u64 valid;
@ -3277,7 +3277,7 @@ static void kvm_vcpu_ioctl_x86_get_xsave(struct kvm_vcpu *vcpu,
} else {
memcpy(guest_xsave->region,
&vcpu->arch.guest_fpu.state.fxsave,
sizeof(struct i387_fxsave_struct));
sizeof(struct fxregs_state));
*(u64 *)&guest_xsave->region[XSAVE_HDR_OFFSET / sizeof(u32)] =
XSTATE_FPSSE;
}
@ -3302,7 +3302,7 @@ static int kvm_vcpu_ioctl_x86_set_xsave(struct kvm_vcpu *vcpu,
if (xstate_bv & ~XSTATE_FPSSE)
return -EINVAL;
memcpy(&vcpu->arch.guest_fpu.state.fxsave,
guest_xsave->region, sizeof(struct i387_fxsave_struct));
guest_xsave->region, sizeof(struct fxregs_state));
}
return 0;
}
@ -6970,7 +6970,7 @@ int kvm_arch_vcpu_ioctl_translate(struct kvm_vcpu *vcpu,
int kvm_arch_vcpu_ioctl_get_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu)
{
struct i387_fxsave_struct *fxsave =
struct fxregs_state *fxsave =
&vcpu->arch.guest_fpu.state.fxsave;
memcpy(fpu->fpr, fxsave->st_space, 128);
@ -6987,7 +6987,7 @@ int kvm_arch_vcpu_ioctl_get_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu)
int kvm_arch_vcpu_ioctl_set_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu)
{
struct i387_fxsave_struct *fxsave =
struct fxregs_state *fxsave =
&vcpu->arch.guest_fpu.state.fxsave;
memcpy(fxsave->st_space, fpu->fpr, 128);

2
arch/x86/math-emu/fpu_aux.c
View File

@ -30,7 +30,7 @@ static void fclex(void)
}
/* Needs to be externally visible */
void fpstate_init_soft(struct i387_soft_struct *soft)
void fpstate_init_soft(struct swregs_state *soft)
{
struct address *oaddr, *iaddr;
memset(soft, 0, sizeof(*soft));

10
arch/x86/math-emu/fpu_entry.c
View File

@ -669,7 +669,7 @@ void math_abort(struct math_emu_info *info, unsigned int signal)
#endif /* PARANOID */
}
#define S387 ((struct i387_soft_struct *)s387)
#define S387 ((struct swregs_state *)s387)
#define sstatus_word() \
((S387->swd & ~SW_Top & 0xffff) | ((S387->ftop << SW_Top_Shift) & SW_Top))
@ -678,14 +678,14 @@ int fpregs_soft_set(struct task_struct *target,
unsigned int pos, unsigned int count,
const void *kbuf, const void __user *ubuf)
{
struct i387_soft_struct *s387 = &target->thread.fpu.state.soft;
struct swregs_state *s387 = &target->thread.fpu.state.soft;
void *space = s387->st_space;
int ret;
int offset, other, i, tags, regnr, tag, newtop;
RE_ENTRANT_CHECK_OFF;
ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, s387, 0,
offsetof(struct i387_soft_struct, st_space));
offsetof(struct swregs_state, st_space));
RE_ENTRANT_CHECK_ON;
if (ret)
@ -730,7 +730,7 @@ int fpregs_soft_get(struct task_struct *target,
unsigned int pos, unsigned int count,
void *kbuf, void __user *ubuf)
{
struct i387_soft_struct *s387 = &target->thread.fpu.state.soft;
struct swregs_state *s387 = &target->thread.fpu.state.soft;
const void *space = s387->st_space;
int ret;
int offset = (S387->ftop & 7) * 10, other = 80 - offset;
@ -748,7 +748,7 @@ int fpregs_soft_get(struct task_struct *target,
#endif /* PECULIAR_486 */
ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf, s387, 0,
offsetof(struct i387_soft_struct, st_space));
offsetof(struct swregs_state, st_space));
/* Copy all registers in stack order. */
if (!ret)

6
arch/x86/mm/mpx.c
View File

@ -272,7 +272,7 @@ static int mpx_insn_decode(struct insn *insn,
* The caller is expected to kfree() the returned siginfo_t.
*/
siginfo_t *mpx_generate_siginfo(struct pt_regs *regs,
struct xsave_struct *xsave_buf)
struct xregs_state *xsave_buf)
{
struct bndreg *bndregs, *bndreg;
siginfo_t *info = NULL;
@ -497,7 +497,7 @@ static int allocate_bt(long __user *bd_entry)
* bound table is 16KB. With 64-bit mode, the size of BD is 2GB,
* and the size of each bound table is 4MB.
*/
static int do_mpx_bt_fault(struct xsave_struct *xsave_buf)
static int do_mpx_bt_fault(struct xregs_state *xsave_buf)
{
unsigned long bd_entry, bd_base;
struct bndcsr *bndcsr;
@ -525,7 +525,7 @@ static int do_mpx_bt_fault(struct xsave_struct *xsave_buf)
return allocate_bt((long __user *)bd_entry);
}
int mpx_handle_bd_fault(struct xsave_struct *xsave_buf)
int mpx_handle_bd_fault(struct xregs_state *xsave_buf)
{
/*
* Userspace never asked us to manage the bounds tables,