diff options
| author | Ingo Molnar <mingo@kernel.org> | 2015-04-25 06:52:53 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2015-05-19 15:47:40 +0200 |
| commit | c42103b22652dae50e1aaacb5c2767145027ab3e (patch) | |
| tree | cf81d19819726f52c659c0a10af98c6d1dfd429f /arch | |
| parent | 62db6871ae862fbd7f7abfebffe501b170698a8b (diff) | |
| download | linux-c42103b22652dae50e1aaacb5c2767145027ab3e.tar.bz2 | |
x86/fpu: Remove xsave_init()
Expand fpu__init_system_xstate() and fpu__init_cpu_xstate() calls
into xsave_init() calls.
(This will allow us to call the proper versions in higher level FPU init code
later on.)
No change in functionality.
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')
| -rw-r--r-- | arch/x86/include/asm/fpu/xsave.h | 1 | ||||
| -rw-r--r-- | arch/x86/kernel/fpu/init.c | 8 | ||||
| -rw-r--r-- | arch/x86/kernel/fpu/xsave.c | 13 |
3 files changed, 6 insertions, 16 deletions
diff --git a/arch/x86/include/asm/fpu/xsave.h b/arch/x86/include/asm/fpu/xsave.h index 5c3ab4e17aea..a10e66582c1b 100644 --- a/arch/x86/include/asm/fpu/xsave.h +++ b/arch/x86/include/asm/fpu/xsave.h @@ -52,7 +52,6 @@ extern u64 xfeatures_mask; extern u64 xstate_fx_sw_bytes[USER_XSTATE_FX_SW_WORDS]; extern struct xsave_struct init_xstate_ctx; -extern void xsave_init(void); extern void update_regset_xstate_info(unsigned int size, u64 xstate_mask); /* These macros all use (%edi)/(%rdi) as the single memory argument. */ diff --git a/arch/x86/kernel/fpu/init.c b/arch/x86/kernel/fpu/init.c index d6234adc8ba0..77599fe8af56 100644 --- a/arch/x86/kernel/fpu/init.c +++ b/arch/x86/kernel/fpu/init.c @@ -98,7 +98,7 @@ static void fpstate_xstate_init_size(void) { /* * Note that xstate_size might be overwriten later during - * xsave_init(). + * fpu__init_system_xstate(). */ if (!cpu_has_fpu) { @@ -146,7 +146,8 @@ void fpu__init_cpu(void) cr0 |= X86_CR0_EM; write_cr0(cr0); - xsave_init(); + fpu__init_system_xstate(); + fpu__init_cpu_xstate(); } /* @@ -159,7 +160,8 @@ void fpu__init_system(void) fpu__init_cpu(); mxcsr_feature_mask_init(); - xsave_init(); + fpu__init_system_xstate(); + fpu__init_cpu_xstate(); eager_fpu_init(); } diff --git a/arch/x86/kernel/fpu/xsave.c b/arch/x86/kernel/fpu/xsave.c index 9d5ff90916b1..fa9b954eb23a 100644 --- a/arch/x86/kernel/fpu/xsave.c +++ b/arch/x86/kernel/fpu/xsave.c @@ -646,8 +646,7 @@ static void __init init_xstate_size(void) * Enable and initialize the xsave feature. * Called once per system bootup. * - * ( Not marked __init because of false positive section warnings - * generated by xsave_init(). ) + * ( Not marked __init because of false positive section warnings. ) */ void fpu__init_system_xstate(void) { @@ -714,16 +713,6 @@ void fpu__init_system_xstate(void) } /* - * For the very first instance, this calls fpu__init_system_xstate(); - * for all subsequent instances, this calls fpu__init_cpu_xstate(). - */ -void xsave_init(void) -{ - fpu__init_system_xstate(); - fpu__init_cpu_xstate(); -} - -/* * setup_init_fpu_buf() is __init and it is OK to call it here because * init_xstate_ctx will be unset only once during boot. */ |