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Message-Id: <1347042703-11128-3-git-send-email-suresh.b.siddha@intel.com>
Date: Fri, 7 Sep 2012 11:31:43 -0700
From: Suresh Siddha <suresh.b.siddha@...el.com>
To: hpa@...or.com, mingo@...nel.org, torvalds@...ux-foundation.org,
andreas.herrmann3@....com, bp@...64.org, robert.richter@....com
Cc: linux-kernel@...r.kernel.org,
Suresh Siddha <suresh.b.siddha@...el.com>
Subject: [PATCH 3/3] x86, fpu: move check_fpu() after alternative_instructions()
use_eager_fpu() in kernel_fpu_begin/end() relies on the patched
alternative instructions. So move check_fpu() which uses the
kernel_fpu_begin/end() after alternative_instructions().
Signed-off-by: Suresh Siddha <suresh.b.siddha@...el.com>
---
arch/x86/kernel/cpu/bugs.c | 7 ++++++-
1 files changed, 6 insertions(+), 1 deletions(-)
diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c
index c97bb7b..d0e910d 100644
--- a/arch/x86/kernel/cpu/bugs.c
+++ b/arch/x86/kernel/cpu/bugs.c
@@ -165,10 +165,15 @@ void __init check_bugs(void)
print_cpu_info(&boot_cpu_data);
#endif
check_config();
- check_fpu();
check_hlt();
check_popad();
init_utsname()->machine[1] =
'0' + (boot_cpu_data.x86 > 6 ? 6 : boot_cpu_data.x86);
alternative_instructions();
+
+ /*
+ * kernel_fpu_begin/end() in check_fpu() relies on the patched
+ * alternative instructions.
+ */
+ check_fpu();
}
--
1.7.6.5
--
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