[PATCH] x86: Some preparationary cleanup for stack trace

[mirror_ubuntu-jammy-kernel.git] / arch / x86_64 / kernel / stacktrace.c

diff --git a/arch/x86_64/kernel/stacktrace.c b/arch/x86_64/kernel/stacktrace.c
index 32cf55eb9af87b33259afe4537504b958ebe6b53..1c022af8fe1eb22ff7935928598ffb2b299b589d 100644 (file)
--- a/arch/x86_64/kernel/stacktrace.c
+++ b/arch/x86_64/kernel/stacktrace.c
@@ -109,9 +109,10 @@ out_restore:
  * Save stack-backtrace addresses into a stack_trace buffer:
  */
 static inline unsigned long
-save_context_stack(struct stack_trace *trace, unsigned int skip,
+save_context_stack(struct stack_trace *trace,
                   unsigned long stack, unsigned long stack_end)
 {
+       int skip = trace->skip;
        unsigned long addr;
 
 #ifdef CONFIG_FRAME_POINTER
@@ -159,12 +160,8 @@ save_context_stack(struct stack_trace *trace, unsigned int skip,
 
 /*
  * Save stack-backtrace addresses into a stack_trace buffer.
- * If all_contexts is set, all contexts (hardirq, softirq and process)
- * are saved. If not set then only the current context is saved.
  */
-void save_stack_trace(struct stack_trace *trace,
-                     struct task_struct *task, int all_contexts,
-                     unsigned int skip)
+void save_stack_trace(struct stack_trace *trace, struct task_struct *task)
 {
        unsigned long stack = (unsigned long)&stack;
        int i, nr_stacks = 0, stacks_done[MAX_STACKS];
@@ -207,9 +204,8 @@ void save_stack_trace(struct stack_trace *trace,
                                return;
                stacks_done[nr_stacks] = stack_end;
 
-               stack = save_context_stack(trace, skip, stack, stack_end);
-               if (!all_contexts || !stack ||
-                               trace->nr_entries >= trace->max_entries)
+               stack = save_context_stack(trace, stack, stack_end);
+               if (!stack || trace->nr_entries >= trace->max_entries)
                        return;
                trace->entries[trace->nr_entries++] = ULONG_MAX;
                if (trace->nr_entries >= trace->max_entries)