AuxXxilium/linux_dsm_epyc7002
1
0
Fork 0
mirror of https://github.com/AuxXxilium/linux_dsm_epyc7002.git synced 2025-01-19 18:16:08 +07:00
Code Issues Actions Packages Projects Releases Wiki Activity

[PATCH] x86_64: Reduce screen space needed by stack trace

Browse Source 
Especially under Xen, where the console cannot be adjusted to more than 25
lines, it is fairly important that the information displayed during a panic
is as compact as possible. Below adjustments work towards that.

Signed-Off-By: Jan Beulich <jbeulich@novell.com>

Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Jan Beulich 2006-01-11 22:46:45 +01:00 committed by Linus Torvalds
parent 5329e13d0b
commit 1b2f630450
1 changed files with 12 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
arch/x86_64/kernel/traps.c
View File

@ -183,7 +183,6 @@ static unsigned long *in_exception_stack(unsigned cpu, unsigned long stack,
void show_trace(unsigned long *stack)
{
unsigned long addr;
const unsigned cpu = safe_smp_processor_id();
unsigned long *irqstack_end = (unsigned long *)cpu_pda(cpu)->irqstackptr;
int i;
@ -193,8 +192,14 @@ void show_trace(unsigned long *stack)
#define HANDLE_STACK(cond) \
do while (cond) { \
addr = *stack++; \
unsigned long addr = *stack++; \
if (kernel_text_address(addr)) { \
if (i > 50) { \
printk("\n "); \
i = 0; \
} \
else \
i += printk(" "); \
/* \
* If the address is either in the text segment of the \
* kernel, or in the region which contains vmalloc'ed \
@ -204,16 +209,10 @@ void show_trace(unsigned long *stack)
* out the call path that was taken. \
*/ \
i += printk_address(addr); \
if (i > 50) { \
printk("\n "); \
i = 0; \
} \
else \
i += printk(" "); \
} \
} while (0)
for(i = 0; ; ) {
for(i = 11; ; ) {
const char *id;
unsigned long *estack_end;
estack_end = in_exception_stack(cpu, (unsigned long)stack,