# HG changeset patch
# User Ian.Campbell@xxxxxxxxxxxxx
# Node ID 8bcfcfc13e21d1a771e9b19daa31f1683996411e
# Parent c886f74b54a4123ff762f3ca65c7f86fd1339777
Factor re-enabling the IOCK line out of io_check_error()
and into a machine specific function to.
Signed-off-by: Ian Campbell <Ian.Campbell@xxxxxxxxxxxxx>
diff -r c886f74b54a4 -r 8bcfcfc13e21
linux-2.6-xen-sparse/arch/xen/i386/kernel/traps.c
--- a/linux-2.6-xen-sparse/arch/xen/i386/kernel/traps.c Wed Jan 11 12:02:54 2006
+++ b/linux-2.6-xen-sparse/arch/xen/i386/kernel/traps.c Wed Jan 11 15:51:18 2006
@@ -506,18 +506,11 @@
static void io_check_error(unsigned char reason, struct pt_regs * regs)
{
- unsigned long i;
-
printk("NMI: IOCK error (debug interrupt?)\n");
show_registers(regs);
/* Re-enable the IOCK line, wait for a few seconds */
- reason = (reason & 0xf) | 8;
- outb(reason, 0x61);
- i = 2000;
- while (--i) udelay(1000);
- reason &= ~8;
- outb(reason, 0x61);
+ clear_io_check_error(reason);
}
static void unknown_nmi_error(unsigned char reason, struct pt_regs * regs)
diff -r c886f74b54a4 -r 8bcfcfc13e21
patches/linux-2.6.12/i386-mach-io-check-nmi.patch
--- /dev/null Wed Jan 11 12:02:54 2006
+++ b/patches/linux-2.6.12/i386-mach-io-check-nmi.patch Wed Jan 11 15:51:18 2006
@@ -0,0 +1,43 @@
+--- ref-linux-2.6.12/arch/i386/kernel/traps.c 2005-12-19 09:23:44.000000000
+0000
++++ linux-2.6.12-xen0/arch/i386/kernel/traps.c 2006-01-05 15:51:52.000000000
+0000
+@@ -521,18 +521,11 @@
+
+ static void io_check_error(unsigned char reason, struct pt_regs * regs)
+ {
+- unsigned long i;
+-
+ printk("NMI: IOCK error (debug interrupt?)\n");
+ show_registers(regs);
+
+ /* Re-enable the IOCK line, wait for a few seconds */
+- reason = (reason & 0xf) | 8;
+- outb(reason, 0x61);
+- i = 2000;
+- while (--i) udelay(1000);
+- reason &= ~8;
+- outb(reason, 0x61);
++ clear_io_check_error(reason);
+ }
+
+ static void unknown_nmi_error(unsigned char reason, struct pt_regs * regs)
+--- ref-linux-2.6.12/include/asm-i386/mach-default/mach_traps.h
2005-06-17 20:48:29.000000000 +0100
++++ linux-2.6.12-xen0/include/asm-i386/mach-default/mach_traps.h
2006-01-05 15:52:33.000000000 +0000
+@@ -15,6 +15,18 @@
+ outb(reason, 0x61);
+ }
+
++static inline void clear_io_check_error(unsigned char reason)
++{
++ unsigned long i;
++
++ reason = (reason & 0xf) | 8;
++ outb(reason, 0x61);
++ i = 2000;
++ while (--i) udelay(1000);
++ reason &= ~8;
++ outb(reason, 0x61);
++}
++
+ static inline unsigned char get_nmi_reason(void)
+ {
+ return inb(0x61);
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