Display "irqaction mask" only if available
The member "mask" has been removed from "struct irqaction" in the kernel per
commit ef79f8e191722dbc1fc33bdfc448f572266c37e9
Author: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
Date: Thu Sep 24 09:34:37 2009 -0600
cpumask: remove unused mask field from struct irqaction.
Up until 1.1.83, the primitive human tribes used struct sigaction for
interrupts. The sa_mask field was overloaded to hold a pointer to the
name.
When someone created the new "struct irqaction" they carried across
the "mask" field as a kind of ancestor worship: the fact that it was
unused makes clear its spiritual significance.
Signed-off-by: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
This patch only displays the "irqaction mask" in the "irq" command if the
member is present. It fixes the following error (kernel was 2.6.33):
crash> irq
irq: invalid structure member offset: irqaction_mask
FILE: kernel.c LINE: 5001 FUNCTION: generic_dump_irq()
[./crash.orig] error trace: 8097e44 => 8109541 => 810c0ec => 8156299
Signed-off-by: Bernhard Walle <bernhard@xxxxxxxxx>
Display "irqaction mask" only if available
The member "mask" has been removed from "struct irqaction" in the kernel per
commit ef79f8e191722dbc1fc33bdfc448f572266c37e9
Author: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
Date: Thu Sep 24 09:34:37 2009 -0600
cpumask: remove unused mask field from struct irqaction.
Up until 1.1.83, the primitive human tribes used struct sigaction for
interrupts. The sa_mask field was overloaded to hold a pointer to the
name.
When someone created the new "struct irqaction" they carried across
the "mask" field as a kind of ancestor worship: the fact that it was
unused makes clear its spiritual significance.
Signed-off-by: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
This patch only displays the "irqaction mask" in the "irq" command if the
member is present. It fixes the following error (kernel was 2.6.33):
crash> irq
irq: invalid structure member offset: irqaction_mask
FILE: kernel.c LINE: 5001 FUNCTION: generic_dump_irq()
[./crash.orig] error trace: 8097e44 => 8109541 => 810c0ec => 8156299
Signed-off-by: Bernhard Walle <bernhard@xxxxxxxxx>
---
kernel.c | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)
Index: crash-5.0.0/kernel.c
===================================================================
--- crash-5.0.0.orig/kernel.c
+++ crash-5.0.0/kernel.c
@@ -4998,10 +4998,12 @@ do_linked_action:
"irqaction flags", FAULT_ON_ERROR);
fprintf(fp, " flags: %lx\n", value);
- readmem(action+OFFSET(irqaction_mask), KVADDR,
- &tmp1, sizeof(void *),
- "irqaction mask", FAULT_ON_ERROR);
- fprintf(fp, " mask: %lx\n", tmp1);
+ if (VALID_MEMBER(irqaction_mask)) {
+ readmem(action+OFFSET(irqaction_mask), KVADDR,
+ &tmp1, sizeof(void *),
+ "irqaction mask", FAULT_ON_ERROR);
+ fprintf(fp, " mask: %lx\n", tmp1);
+ }
readmem(action+OFFSET(irqaction_name), KVADDR,
&tmp1, sizeof(void *),
--
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