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-rw-r--r--arch/x86/include/asm/i387.h2
-rw-r--r--arch/x86/kernel/fpu/core.c13
-rw-r--r--arch/x86/kernel/fpu/xsave.c2
-rw-r--r--arch/x86/kvm/x86.c2
-rw-r--r--arch/x86/math-emu/fpu_entry.c2
5 files changed, 10 insertions, 11 deletions
diff --git a/arch/x86/include/asm/i387.h b/arch/x86/include/asm/i387.h
index e3b42c5..38376cd 100644
--- a/arch/x86/include/asm/i387.h
+++ b/arch/x86/include/asm/i387.h
@@ -18,7 +18,7 @@
struct pt_regs;
struct user_i387_struct;
-extern int fpstate_alloc_init(struct task_struct *curr);
+extern int fpstate_alloc_init(struct fpu *fpu);
extern void fpstate_init(struct fpu *fpu);
extern void fpu__flush_thread(struct task_struct *tsk);
diff --git a/arch/x86/kernel/fpu/core.c b/arch/x86/kernel/fpu/core.c
index a843585..183e69d 100644
--- a/arch/x86/kernel/fpu/core.c
+++ b/arch/x86/kernel/fpu/core.c
@@ -263,12 +263,11 @@ int fpu__copy(struct fpu *dst_fpu, struct fpu *src_fpu)
*
* Can fail.
*/
-int fpstate_alloc_init(struct task_struct *curr)
+int fpstate_alloc_init(struct fpu *fpu)
{
- struct fpu *fpu = &curr->thread.fpu;
int ret;
- if (WARN_ON_ONCE(curr != current))
+ if (WARN_ON_ONCE(fpu != &current->thread.fpu))
return -EINVAL;
if (WARN_ON_ONCE(fpu->fpstate_active))
return -EINVAL;
@@ -276,11 +275,11 @@ int fpstate_alloc_init(struct task_struct *curr)
/*
* Memory allocation at the first usage of the FPU and other state.
*/
- ret = fpstate_alloc(&curr->thread.fpu);
+ ret = fpstate_alloc(fpu);
if (ret)
return ret;
- fpstate_init(&curr->thread.fpu);
+ fpstate_init(fpu);
/* Safe to do for the current task: */
fpu->fpstate_active = 1;
@@ -360,7 +359,7 @@ void fpu__restore(void)
/*
* does a slab alloc which can sleep
*/
- if (fpstate_alloc_init(tsk)) {
+ if (fpstate_alloc_init(fpu)) {
/*
* ran out of memory!
*/
@@ -396,7 +395,7 @@ void fpu__flush_thread(struct task_struct *tsk)
} else {
if (!fpu->fpstate_active) {
/* kthread execs. TODO: cleanup this horror. */
- if (WARN_ON(fpstate_alloc_init(tsk)))
+ if (WARN_ON(fpstate_alloc_init(fpu)))
force_sig(SIGKILL, tsk);
user_fpu_begin();
}
diff --git a/arch/x86/kernel/fpu/xsave.c b/arch/x86/kernel/fpu/xsave.c
index 3953cbf..80b0c8f 100644
--- a/arch/x86/kernel/fpu/xsave.c
+++ b/arch/x86/kernel/fpu/xsave.c
@@ -350,7 +350,7 @@ int __restore_xstate_sig(void __user *buf, void __user *buf_fx, int size)
if (!access_ok(VERIFY_READ, buf, size))
return -EACCES;
- if (!fpu->fpstate_active && fpstate_alloc_init(tsk))
+ if (!fpu->fpstate_active && fpstate_alloc_init(fpu))
return -1;
if (!static_cpu_has(X86_FEATURE_FPU))
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index bab8afb..479d4ce 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -6601,7 +6601,7 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
int r;
sigset_t sigsaved;
- if (!fpu->fpstate_active && fpstate_alloc_init(current))
+ if (!fpu->fpstate_active && fpstate_alloc_init(fpu))
return -ENOMEM;
if (vcpu->sigset_active)
diff --git a/arch/x86/math-emu/fpu_entry.c b/arch/x86/math-emu/fpu_entry.c
index f1aac55..e394bcb 100644
--- a/arch/x86/math-emu/fpu_entry.c
+++ b/arch/x86/math-emu/fpu_entry.c
@@ -150,7 +150,7 @@ void math_emulate(struct math_emu_info *info)
struct fpu *fpu = &current->thread.fpu;
if (!fpu->fpstate_active) {
- if (fpstate_alloc_init(current)) {
+ if (fpstate_alloc_init(fpu)) {
do_group_exit(SIGKILL);
return;
}
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