AuxXxilium/linux_dsm_epyc7002
1
0
Fork 0
mirror of https://github.com/AuxXxilium/linux_dsm_epyc7002.git synced 2024-11-25 19:21:17 +07:00
Code Issues Actions Packages Projects Releases Wiki Activity

sh: stacktrace: Add reliability checks in address saving ops.

Browse Source 
This adopts the reliability checks from the x86 stacktrace code so known
bad addresses are not recorded in the stack trace buffer.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt 2009-08-15 01:05:46 +09:00
parent 0fc11e3618
commit 48e4d4604b
1 changed files with 6 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
arch/sh/kernel/stacktrace.c
View File

@ -38,6 +38,9 @@ static void save_stack_address(void *data, unsigned long addr, int reliable)
{ {
struct stack_trace *trace = data; struct stack_trace *trace = data;
if (!reliable)
return;
if (trace->skip > 0) { if (trace->skip > 0) {
trace->skip--; trace->skip--;
return; return;
@ -67,6 +70,9 @@ save_stack_address_nosched(void *data, unsigned long addr, int reliable)
{ {
struct stack_trace *trace = (struct stack_trace *)data; struct stack_trace *trace = (struct stack_trace *)data;
if (!reliable)
return;
if (in_sched_functions(addr)) if (in_sched_functions(addr))
return; return;