From 57594742a2b545f8f114cda34f15650be8ae976d Mon Sep 17 00:00:00 2001 From: Akinobu Mita Date: Sun, 19 Jul 2009 00:11:06 +0900 Subject: x86: Introduce set_desc_base() and set_desc_limit() Rename set_base()/set_limit to set_desc_base()/set_desc_limit() and rewrite them in C. These are naturally introduced by the idea of get_desc_base()/get_desc_limit(). The conversion actually found the bug in apm_32.c: bad_bios_desc is written at run-time, but it is defined const variable. Signed-off-by: Akinobu Mita LKML-Reference: <20090718151105.GC11294@localhost.localdomain> Signed-off-by: Ingo Molnar --- arch/x86/include/asm/stackprotector.h | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) (limited to 'arch/x86/include/asm/stackprotector.h') diff --git a/arch/x86/include/asm/stackprotector.h b/arch/x86/include/asm/stackprotector.h index c2d742c6e15f..cdc5e0b126a7 100644 --- a/arch/x86/include/asm/stackprotector.h +++ b/arch/x86/include/asm/stackprotector.h @@ -90,9 +90,7 @@ static inline void setup_stack_canary_segment(int cpu) struct desc_struct desc; desc = gdt_table[GDT_ENTRY_STACK_CANARY]; - desc.base0 = canary & 0xffff; - desc.base1 = (canary >> 16) & 0xff; - desc.base2 = (canary >> 24) & 0xff; + set_desc_base(&desc, canary); write_gdt_entry(gdt_table, GDT_ENTRY_STACK_CANARY, &desc, DESCTYPE_S); #endif } -- cgit v1.2.3