From: Michael Karcher <kernel@mkarcher.dialup.fu-berlin.de>
To: tglx@linuxtronix.de, mingo@redhat.com, hpa@zytor.com
Cc: linux-kernel@vger.kernel.org
Subject: [PATCH] x86: Fix ldt limit for 64 bit
Date: Fri, 11 Jul 2008 18:04:46 +0200 [thread overview]
Message-ID: <1215792286.8831.14.camel@hermes2.karcher.local> (raw)
From: Michael Karcher <kernel@mkarcher.dialup.fu-berlin.de>
Fix size of LDT entries. On x86-64, ldt_desc is a double-sized descriptor.
Signed-off-by: Michael Karcher <kernel@mkarcher.dialup.fu-berlin.de>
---
include/asm-x86/desc.h | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/include/asm-x86/desc.h b/include/asm-x86/desc.h
index 268a012..28bddbc 100644
--- a/include/asm-x86/desc.h
+++ b/include/asm-x86/desc.h
@@ -192,8 +192,8 @@ static inline void native_set_ldt(const void *addr, unsigned int entries)
unsigned cpu = smp_processor_id();
ldt_desc ldt;
- set_tssldt_descriptor(&ldt, (unsigned long)addr,
- DESC_LDT, entries * sizeof(ldt) - 1);
+ set_tssldt_descriptor(&ldt, (unsigned long)addr, DESC_LDT,
+ entries * LDT_ENTRY_SIZE - 1);
write_gdt_entry(get_cpu_gdt_table(cpu), GDT_ENTRY_LDT,
&ldt, DESC_LDT);
asm volatile("lldt %w0"::"q" (GDT_ENTRY_LDT*8));
--
1.5.5.4
next reply other threads:[~2008-07-11 16:56 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-11 16:04 Michael Karcher [this message]
2008-07-12 5:21 ` 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=1215792286.8831.14.camel@hermes2.karcher.local \
--to=kernel@mkarcher.dialup.fu-berlin.de \
--cc=hpa@zytor.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@redhat.com \
--cc=tglx@linuxtronix.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
all inboxes | Powered by JetHome®