From: Edgar Hucek <hostmaster@ed-soft.at>
To: linux-kernel@vger.kernel.org
Subject: [PATCH 1/1] EFI: Fix gdt load
Date: Thu, 02 Mar 2006 14:18:58 +0100 [thread overview]
Message-ID: <4406F0C2.7090002@ed-soft.at> (raw)
[-- Attachment #1: Type: text/plain, Size: 116 bytes --]
This patch makes the kernel bootable again on ia32 EFI systems.
Signed-off-by: Edgar Hucek <hostmaster@ed-soft.at>
[-- Attachment #2: 2.6.15-rc5_efi_gdt.patch --]
[-- Type: text/x-patch, Size: 1170 bytes --]
diff -uNr linux-2.6.16-rc5/arch/i386/kernel/efi.c linux-2.6.16-rc5.efi/arch/i386/kernel/efi.c
--- linux-2.6.16-rc5/arch/i386/kernel/efi.c 2006-03-02 14:08:06.000000000 +0100
+++ linux-2.6.16-rc5.efi/arch/i386/kernel/efi.c 2006-03-02 14:04:44.000000000 +0100
@@ -70,7 +70,8 @@
{
unsigned long cr4;
unsigned long temp;
-
+ struct Xgt_desc_struct *cpu_gdt_descr = &per_cpu(cpu_gdt_descr, 0);
+
spin_lock(&efi_rt_lock);
local_irq_save(efi_rt_eflags);
@@ -103,18 +104,17 @@
*/
local_flush_tlb();
- per_cpu(cpu_gdt_descr, 0).address =
- __pa(per_cpu(cpu_gdt_descr, 0).address);
- load_gdt((struct Xgt_desc_struct *)__pa(&per_cpu(cpu_gdt_descr, 0)));
+ cpu_gdt_descr->address = __pa(cpu_gdt_descr->address);
+ load_gdt(cpu_gdt_descr);
}
static void efi_call_phys_epilog(void)
{
unsigned long cr4;
+ struct Xgt_desc_struct *cpu_gdt_descr = &per_cpu(cpu_gdt_descr, 0);
- per_cpu(cpu_gdt_descr, 0).address =
- (unsigned long)__va(per_cpu(cpu_gdt_descr, 0).address);
- load_gdt((struct Xgt_desc_struct *)__va(&per_cpu(cpu_gdt_descr, 0)));
+ cpu_gdt_descr->address = __va(cpu_gdt_descr->address);
+ load_gdt(cpu_gdt_descr);
cr4 = read_cr4();
next reply other threads:[~2006-03-02 13:18 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-03-02 13:18 Edgar Hucek [this message]
2006-03-02 16:12 ` Zwane Mwaikambo
2006-03-05 2:45 ` Andrew Morton
2006-03-03 10:32 ` Edgar Hucek
2006-03-05 2:43 ` Andrew Morton
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=4406F0C2.7090002@ed-soft.at \
--to=hostmaster@ed-soft.at \
--cc=linux-kernel@vger.kernel.org \
/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
Powered by JetHome