diff options
| author | Alexander van Heukelum <heukelum@fastmail.fm> | 2008-09-09 21:56:12 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-10-13 10:20:40 +0200 |
| commit | b939bde2788a7f16741e563ee90f6f3ad38935cf (patch) | |
| tree | 2cf8b19c24ef89e48f1e5f2f529826bbbd92682e /arch | |
| parent | eb642f62082348c33ead53f736a9698953aa517d (diff) | |
i386: convert hardware exception 19 to an interrupt gate
Handle SIMD coprocessor exception with interrupt initially off.
Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kernel/traps_32.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/x86/kernel/traps_32.c b/arch/x86/kernel/traps_32.c index 54b89f497ba..1bd7960b135 100644 --- a/arch/x86/kernel/traps_32.c +++ b/arch/x86/kernel/traps_32.c @@ -1144,6 +1144,8 @@ static void simd_math_error(void __user *ip) void do_simd_coprocessor_error(struct pt_regs *regs, long error_code) { + conditional_sti(regs); + if (cpu_has_xmm) { /* Handle SIMD FPU exceptions on PIII+ processors. */ ignore_fpu_irq = 1; @@ -1294,7 +1296,7 @@ void __init trap_init(void) #ifdef CONFIG_X86_MCE set_intr_gate(18, &machine_check); #endif - set_trap_gate(19, &simd_coprocessor_error); + set_intr_gate(19, &simd_coprocessor_error); if (cpu_has_fxsr) { printk(KERN_INFO "Enabling fast FPU save and restore... "); |