[patch 18/21] x86/fpu: Use fpstate in fpu_copy_kvm_uabi_to_fpstate()

Thomas Gleixner
2021-10-13T14:56:23Z

Straight forward conversion. No functional change.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/x86/kernel/fpu/core.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)

--- a/arch/x86/kernel/fpu/core.c
+++ b/arch/x86/kernel/fpu/core.c
@@ -205,7 +205,7 @@ EXPORT_SYMBOL_GPL(fpu_copy_fpstate_to_kv
int fpu_copy_kvm_uabi_to_fpstate(struct fpu *fpu, const void *buf, u64 xcr0,
u32 *vpkru)
{
- union fpregs_state *kstate = &fpu->fpstate->regs;
+ struct fpstate *kstate = fpu->fpstate;
const union fpregs_state *ustate = buf;
struct pkru_state *xpkru;
int ret;
@@ -215,25 +215,25 @@ int fpu_copy_kvm_uabi_to_fpstate(struct
return -EINVAL;
if (ustate->fxsave.mxcsr & ~mxcsr_feature_mask)
return -EINVAL;
- memcpy(&kstate->fxsave, &ustate->fxsave, sizeof(ustate->fxsave));
+ memcpy(&kstate->regs.fxsave, &ustate->fxsave, sizeof(ustate->fxsave));
return 0;
}

if (ustate->xsave.header.xfeatures & ~xcr0)
return -EINVAL;

- ret = copy_uabi_from_kernel_to_xstate(&kstate->xsave, ustate);
+ ret = copy_uabi_from_kernel_to_xstate(&kstate->regs.xsave, ustate);
if (ret)
return ret;

/* Retrieve PKRU if not in init state */
- if (kstate->xsave.header.xfeatures & XFEATURE_MASK_PKRU) {
- xpkru = get_xsave_addr(&kstate->xsave, XFEATURE_PKRU);
+ if (kstate->regs.xsave.header.xfeatures & XFEATURE_MASK_PKRU) {
+ xpkru = get_xsave_addr(&kstate->regs.xsave, XFEATURE_PKRU);
*vpkru = xpkru->pkru;
}

/* Ensure that XCOMP_BV is set up for XSAVES */
- xstate_init_xcomp_bv(&kstate->xsave, xfeatures_mask_uabi());
+ xstate_init_xcomp_bv(&kstate->regs.xsave, xfeatures_mask_uabi());
return 0;
}
EXPORT_SYMBOL_GPL(fpu_copy_kvm_uabi_to_fpstate);