* [PATCH] x86: Fix ldt limit for 64 bit
@ 2008-07-11 16:04 Michael Karcher
2008-07-12 5:21 ` Ingo Molnar
0 siblings, 1 reply; 2+ messages in thread
From: Michael Karcher @ 2008-07-11 16:04 UTC (permalink / raw)
To: tglx, mingo, hpa; +Cc: linux-kernel
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
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] x86: Fix ldt limit for 64 bit
2008-07-11 16:04 [PATCH] x86: Fix ldt limit for 64 bit Michael Karcher
@ 2008-07-12 5:21 ` Ingo Molnar
0 siblings, 0 replies; 2+ messages in thread
From: Ingo Molnar @ 2008-07-12 5:21 UTC (permalink / raw)
To: Michael Karcher; +Cc: tglx, mingo, hpa, linux-kernel
* Michael Karcher <kernel@mkarcher.dialup.fu-berlin.de> wrote:
> From: Michael Karcher <kernel@mkarcher.dialup.fu-berlin.de>
>
> Fix size of LDT entries. On x86-64, ldt_desc is a double-sized
> descriptor.
applied, thanks Michael.
Ingo
^ permalink raw reply [flat|nested] 2+ messages in thread
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2008-07-11 16:04 [PATCH] x86: Fix ldt limit for 64 bit Michael Karcher
2008-07-12 5:21 ` Ingo Molnar
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