From: Yinghai Lu <yhlu.kernel@gmail.com>
To: Ingo Molnar <mingo@elte.hu>, Thomas Gleixner <tglx@linutronix.de>,
"H. Peter Anvin" <hpa@zytor.com>,
Andrew Morton <akpm@linux-foundation.org>
Cc: linux-kernel@vger.kernel.org, Yinghai Lu <yhlu.kernel@gmail.com>
Subject: [PATCH 07/16] x86: cpu common merge switch_to_new_gdt
Date: Thu, 4 Sep 2008 20:09:05 -0700 [thread overview]
Message-ID: <1220584154-32497-7-git-send-email-yhlu.kernel@gmail.com> (raw)
In-Reply-To: <1220584154-32497-1-git-send-email-yhlu.kernel@gmail.com>
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
---
arch/x86/kernel/cpu/common.c | 2 ++
arch/x86/kernel/cpu/common_64.c | 3 +++
2 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index f44678d..43d5287 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -215,7 +215,9 @@ void switch_to_new_gdt(void)
gdt_descr.address = (long)get_cpu_gdt_table(smp_processor_id());
gdt_descr.size = GDT_SIZE - 1;
load_gdt(&gdt_descr);
+#ifdef CONFIG_X86_32
asm("mov %0, %%fs" : : "r" (__KERNEL_PERCPU) : "memory");
+#endif
}
static struct cpu_dev *cpu_devs[X86_VENDOR_NUM] = {};
diff --git a/arch/x86/kernel/cpu/common_64.c b/arch/x86/kernel/cpu/common_64.c
index 2bd0ed5..d7b9965 100644
--- a/arch/x86/kernel/cpu/common_64.c
+++ b/arch/x86/kernel/cpu/common_64.c
@@ -214,6 +214,9 @@ void switch_to_new_gdt(void)
gdt_descr.address = (long)get_cpu_gdt_table(smp_processor_id());
gdt_descr.size = GDT_SIZE - 1;
load_gdt(&gdt_descr);
+#ifdef CONFIG_X86_32
+ asm("mov %0, %%fs" : : "r" (__KERNEL_PERCPU) : "memory");
+#endif
}
static struct cpu_dev *cpu_devs[X86_VENDOR_NUM] = {};
--
1.5.4.5
next prev parent reply other threads:[~2008-09-05 3:11 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-05 3:08 [PATCH 01/16] x86: make detect_ht depends on X86_HT Yinghai Lu
2008-09-05 3:09 ` [PATCH 02/16] x86: make header file the same in common_xx.c Yinghai Lu
2008-09-05 3:09 ` [PATCH 03/16] x86: same gdt_page with marco Yinghai Lu
2008-09-05 3:09 ` [PATCH 04/16] x86: cpu common let 64bit code have 32bit only func Yinghai Lu
2008-09-05 3:09 ` [PATCH 05/16] x86: cpu common make 32bit have 64bit only funcs Yinghai Lu
2008-09-05 3:09 ` [PATCH 06/16] x86: cpu commont have same cpu_init with copying and macro Yinghai Lu
2008-09-05 3:09 ` Yinghai Lu [this message]
2008-09-05 3:09 ` [PATCH 08/16] x86: cpu common merge default_init Yinghai Lu
2008-09-05 3:09 ` [PATCH 09/16] x86: cpu common merge display_cacheinfo Yinghai Lu
2008-09-05 3:09 ` [PATCH 10/16] x86: cpu common merge detect_ht Yinghai Lu
2008-09-05 3:09 ` [PATCH 11/16] x86: cpu common merge get_cpu_cap Yinghai Lu
2008-09-05 3:09 ` [PATCH 12/16] x86: cpu common merge early_identify_cpu Yinghai Lu
2008-09-05 3:09 ` [PATCH 13/16] x86: cpu common merge print_cpu_info Yinghai Lu
2008-09-05 3:09 ` [PATCH 14/16] x86: cpu common merge generic_identify Yinghai Lu
2008-09-05 3:09 ` [PATCH 15/16] x86: cpu common merge identify_cpu Yinghai Lu
2008-09-05 3:09 ` [PATCH 16/16] x86: use common.c for 64 bit Yinghai Lu
2008-09-05 7:46 ` Ingo Molnar
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1220584154-32497-7-git-send-email-yhlu.kernel@gmail.com \
--to=yhlu.kernel@gmail.com \
--cc=akpm@linux-foundation.org \
--cc=hpa@zytor.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@elte.hu \
--cc=tglx@linutronix.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox