summaryrefslogtreecommitdiff
path: root/arch/x86/kernel
diff options
context:
space:
mode:
authorIngo Molnar <mingo@kernel.org>2015-04-22 15:41:56 +0200
committerIngo Molnar <mingo@kernel.org>2015-05-19 15:47:19 +0200
commit8ffb53ab986ccb4421b1060182c6e084edd7b9d8 (patch)
treededee92eb977ae073873f7ddc1caad3c6db4dad7 /arch/x86/kernel
parent0afc4a941c0e7b8f6f619fe576f7c5ddbe78d304 (diff)
x86/fpu: Move task_xstate_cachep handling to core.c
This code was historically in process.c, now we have FPU core internals in fpu/core.c instead - move it there. Reviewed-by: Borislav Petkov <bp@alien8.de> Cc: Andy Lutomirski <luto@amacapital.net> 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>
Diffstat (limited to 'arch/x86/kernel')
-rw-r--r--arch/x86/kernel/fpu/core.c15
-rw-r--r--arch/x86/kernel/process.c9
2 files changed, 16 insertions, 8 deletions
diff --git a/arch/x86/kernel/fpu/core.c b/arch/x86/kernel/fpu/core.c
index 15c3cf7bd160..b32a6eb7f189 100644
--- a/arch/x86/kernel/fpu/core.c
+++ b/arch/x86/kernel/fpu/core.c
@@ -147,6 +147,21 @@ void fpstate_init(struct fpu *fpu)
}
EXPORT_SYMBOL_GPL(fpstate_init);
+/*
+ * FPU state allocation:
+ */
+struct kmem_cache *task_xstate_cachep;
+EXPORT_SYMBOL_GPL(task_xstate_cachep);
+
+void fpstate_cache_init(void)
+{
+ task_xstate_cachep =
+ kmem_cache_create("task_xstate", xstate_size,
+ __alignof__(union thread_xstate),
+ SLAB_PANIC | SLAB_NOTRACK, NULL);
+ setup_xstate_comp();
+}
+
int fpstate_alloc(struct fpu *fpu)
{
if (fpu->state)
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
index 52fd8f6f44c7..36d9f737f278 100644
--- a/arch/x86/kernel/process.c
+++ b/arch/x86/kernel/process.c
@@ -75,9 +75,6 @@ void idle_notifier_unregister(struct notifier_block *n)
EXPORT_SYMBOL_GPL(idle_notifier_unregister);
#endif
-struct kmem_cache *task_xstate_cachep;
-EXPORT_SYMBOL_GPL(task_xstate_cachep);
-
/*
* this gets called so that we can store lazy state into memory and copy the
* current task into the new thread.
@@ -106,11 +103,7 @@ void arch_release_task_struct(struct task_struct *tsk)
void arch_task_cache_init(void)
{
- task_xstate_cachep =
- kmem_cache_create("task_xstate", xstate_size,
- __alignof__(union thread_xstate),
- SLAB_PANIC | SLAB_NOTRACK, NULL);
- setup_xstate_comp();
+ fpstate_cache_init();
}
/*