From: tip-bot for Robert Richter <robert.richter@amd.com>
To: linux-tip-commits@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, hpa@zytor.com, mingo@redhat.com,
robert.richter@amd.com, suresh.b.siddha@intel.com,
tglx@linutronix.de, hpa@linux.intel.com
Subject: [tip:x86/xsave] x86, xsave: Move boot cpu initialization to xsave_init()
Date: Wed, 21 Jul 2010 00:40:22 GMT [thread overview]
Message-ID: <tip-82d4150cec83b9775f84810b39a1c0b91585d429@git.kernel.org> (raw)
In-Reply-To: <1279651857-24639-5-git-send-email-robert.richter@amd.com>
Commit-ID: 82d4150cec83b9775f84810b39a1c0b91585d429
Gitweb: http://git.kernel.org/tip/82d4150cec83b9775f84810b39a1c0b91585d429
Author: Robert Richter <robert.richter@amd.com>
AuthorDate: Tue, 20 Jul 2010 20:50:51 +0200
Committer: H. Peter Anvin <hpa@linux.intel.com>
CommitDate: Tue, 20 Jul 2010 16:21:44 -0700
x86, xsave: Move boot cpu initialization to xsave_init()
This patch moves boot cpu initialization to xsave_init(). Now all cpus
are initialized in one single function.
Signed-off-by: Robert Richter <robert.richter@amd.com>
LKML-Reference: <1279651857-24639-5-git-send-email-robert.richter@amd.com>
Acked-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
---
arch/x86/kernel/cpu/common.c | 6 ------
arch/x86/kernel/i387.c | 5 -----
arch/x86/kernel/xsave.c | 14 ++++++++++++--
3 files changed, 12 insertions(+), 13 deletions(-)
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index 26804b2..4056108 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -1270,12 +1270,6 @@ void __cpuinit cpu_init(void)
clear_used_math();
mxcsr_feature_mask_init();
- /*
- * Boot processor to setup the FP and extended state context info.
- */
- if (!smp_processor_id())
- init_thread_xstate();
-
xsave_init();
}
#endif
diff --git a/arch/x86/kernel/i387.c b/arch/x86/kernel/i387.c
index 6106af9..2f32ef0 100644
--- a/arch/x86/kernel/i387.c
+++ b/arch/x86/kernel/i387.c
@@ -93,11 +93,6 @@ void __cpuinit fpu_init(void)
write_cr0(oldcr0 & ~(X86_CR0_TS|X86_CR0_EM)); /* clear TS and EM */
- /*
- * Boot processor to setup the FP and extended state context info.
- */
- if (!smp_processor_id())
- init_thread_xstate();
xsave_init();
mxcsr_feature_mask_init();
diff --git a/arch/x86/kernel/xsave.c b/arch/x86/kernel/xsave.c
index 368047c..ab9ad48 100644
--- a/arch/x86/kernel/xsave.c
+++ b/arch/x86/kernel/xsave.c
@@ -360,7 +360,7 @@ unsigned int sig_xstate_size = sizeof(struct _fpstate);
/*
* Enable the extended processor state save/restore feature
*/
-void __cpuinit xsave_init(void)
+static void __cpuinit __xsave_init(void)
{
if (!cpu_has_xsave)
return;
@@ -446,7 +446,7 @@ void __ref xsave_cntxt_init(void)
* Support only the state known to OS.
*/
pcntxt_mask = pcntxt_mask & XCNTXT_MASK;
- xsave_init();
+ __xsave_init();
/*
* Recompute the context size for enabled features
@@ -463,3 +463,13 @@ void __ref xsave_cntxt_init(void)
"cntxt size 0x%x\n",
pcntxt_mask, xstate_size);
}
+
+void __cpuinit xsave_init(void)
+{
+ /*
+ * Boot processor to setup the FP and extended state context info.
+ */
+ if (!smp_processor_id())
+ init_thread_xstate();
+ __xsave_init();
+}
next prev parent reply other threads:[~2010-07-21 0:41 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-20 18:50 [PATCH 00/10] x86, xsave: some code cleanups and reworks Robert Richter
2010-07-20 18:50 ` [PATCH 01/10] x86, xsave: do not include asm/i387.h in asm/xsave.h Robert Richter
2010-07-20 21:46 ` Suresh Siddha
2010-07-20 18:50 ` [PATCH 02/10] x86, xsave: 32/64 bit boot cpu check unification in initialization Robert Richter
2010-07-20 21:47 ` Suresh Siddha
2010-07-21 0:40 ` [tip:x86/xsave] " tip-bot for Robert Richter
2010-07-20 18:50 ` [PATCH 03/10] x86: removing boot_cpu_id variable Robert Richter
2010-07-20 18:50 ` [PATCH 04/10] x86, xsave: moving boot cpu initialization to xsave_init() Robert Richter
2010-07-20 21:48 ` Suresh Siddha
2010-07-21 0:40 ` tip-bot for Robert Richter [this message]
2010-07-20 18:50 ` [PATCH 05/10] x86, xsave: make xsave_cntxt_init() static Robert Richter
2010-07-20 22:20 ` Suresh Siddha
2010-07-21 13:48 ` Robert Richter
2010-07-21 16:15 ` H. Peter Anvin
2010-07-20 18:50 ` [PATCH 06/10] x86, xsave: do not initialize xsave in fpu_init() Robert Richter
2010-07-20 22:21 ` Suresh Siddha
2010-07-20 18:50 ` [PATCH 07/10] x86, xsave: reduce cpu_has_xsave checks Robert Richter
2010-07-20 22:22 ` Suresh Siddha
2010-07-20 18:50 ` [PATCH 08/10] x86, xsave: introduce xstate enable functions Robert Richter
2010-07-20 22:23 ` Suresh Siddha
2010-07-20 18:50 ` [PATCH 09/10] x86, xsave: check cpuid level for XSTATE_CPUID (0x0d) Robert Richter
2010-07-20 22:26 ` Suresh Siddha
2010-07-20 22:45 ` H. Peter Anvin
2010-07-20 22:51 ` H. Peter Anvin
2010-07-20 18:50 ` [PATCH 10/10] x86, xsave: make init_xstate_buf static Robert Richter
2010-07-20 22:26 ` Suresh Siddha
2010-07-20 19:27 ` [PATCH 00/10] x86, xsave: some code cleanups and reworks Cyrill Gorcunov
2010-07-20 19:46 ` Robert Richter
2010-07-20 20:05 ` Suresh Siddha
2010-07-20 20:07 ` Cyrill Gorcunov
2010-07-20 20:17 ` Cyrill Gorcunov
2010-07-21 16:16 ` Robert Richter
2010-07-21 16:29 ` Cyrill Gorcunov
2010-07-21 16:32 ` H. Peter Anvin
2010-07-21 16:52 ` Cyrill Gorcunov
2010-07-21 17:01 ` Cyrill Gorcunov
2010-07-21 17:11 ` H. Peter Anvin
2010-07-21 17:17 ` Cyrill Gorcunov
2010-07-21 17:24 ` Robert Richter
2010-07-21 17:37 ` Cyrill Gorcunov
2010-07-21 19:14 ` Cyrill Gorcunov
2010-07-20 20:22 ` H. Peter Anvin
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