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Subject[PATCH 187/208] x86/fpu: Remove run-once init quirks
Date
Remove various boot quirks that came from the old code.

The new code is cleanly split up into per-system and per-cpu
init sequences, and system init functions are only called once.

Remove the run-once quirks.

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: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
arch/x86/kernel/fpu/init.c | 6 ------
arch/x86/kernel/fpu/xstate.c | 11 -----------
2 files changed, 17 deletions(-)

diff --git a/arch/x86/kernel/fpu/init.c b/arch/x86/kernel/fpu/init.c
index 72219ce2385a..7b6265df6082 100644
--- a/arch/x86/kernel/fpu/init.c
+++ b/arch/x86/kernel/fpu/init.c
@@ -143,12 +143,6 @@ EXPORT_SYMBOL_GPL(xstate_size);
*/
static void fpu__init_system_xstate_size_legacy(void)
{
- static bool on_boot_cpu = 1;
-
- if (!on_boot_cpu)
- return;
- on_boot_cpu = 0;
-
/*
* Note that xstate_size might be overwriten later during
* fpu__init_system_xstate().
diff --git a/arch/x86/kernel/fpu/xstate.c b/arch/x86/kernel/fpu/xstate.c
index 59bd35a57afc..8285d4b40763 100644
--- a/arch/x86/kernel/fpu/xstate.c
+++ b/arch/x86/kernel/fpu/xstate.c
@@ -658,12 +658,6 @@ void setup_xstate_comp(void)
*/
static void setup_init_fpu_buf(void)
{
- static int on_boot_cpu = 1;
-
- if (!on_boot_cpu)
- return;
- on_boot_cpu = 0;
-
if (!cpu_has_xsave)
return;

@@ -719,11 +713,6 @@ static void __init init_xstate_size(void)
void fpu__init_system_xstate(void)
{
unsigned int eax, ebx, ecx, edx;
- static bool on_boot_cpu = 1;
-
- if (!on_boot_cpu)
- return;
- on_boot_cpu = 0;

if (!cpu_has_xsave) {
pr_info("x86/fpu: Legacy x87 FPU detected.\n");
--
2.1.0


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