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| author | Jan Beulich <jbeulich@novell.com> | 2006-01-06 00:11:49 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-06 08:33:34 -0800 |
| commit | eb05c3249a8e8a675e79d221f4a0874dc10ec903 (patch) | |
| tree | 20d18a6873f8bac31532d1246337ca347e387ad4 /arch | |
| parent | d43c6e8083ac8baeb1a167510aea34fcef396e33 (diff) | |
| download | blackbird-op-linux-eb05c3249a8e8a675e79d221f4a0874dc10ec903.tar.gz blackbird-op-linux-eb05c3249a8e8a675e79d221f4a0874dc10ec903.zip | |
[PATCH] i386: fix bound check IDT gate
Other than apparently commonly assumed, the bound instruction does not
require the corresponding IDT entry to have DPL 3.
Acked-by: "Seth, Rohit" <rohit.seth@intel.com>
Acked-by: Zachary Amsden <zach@vmware.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/i386/kernel/traps.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/i386/kernel/traps.c b/arch/i386/kernel/traps.c index f0c4060bd4d5..53ad954e3ba4 100644 --- a/arch/i386/kernel/traps.c +++ b/arch/i386/kernel/traps.c @@ -1078,9 +1078,9 @@ void __init trap_init(void) set_trap_gate(0,÷_error); set_intr_gate(1,&debug); set_intr_gate(2,&nmi); - set_system_intr_gate(3, &int3); /* int3-5 can be called from all */ + set_system_intr_gate(3, &int3); /* int3/4 can be called from all */ set_system_gate(4,&overflow); - set_system_gate(5,&bounds); + set_trap_gate(5,&bounds); set_trap_gate(6,&invalid_op); set_trap_gate(7,&device_not_available); set_task_gate(8,GDT_ENTRY_DOUBLEFAULT_TSS); |
