diff options
| author | Ingo Molnar <mingo@elte.hu> | 2009-11-21 14:07:23 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-11-21 14:07:23 +0100 |
| commit | 96200591a34f8ecb98481c626125df43a2463b55 (patch) | |
| tree | 314c376b01f254d04f9aaf449b1f9147ad177fa6 /arch/x86/include/asm/processor.h | |
| parent | 7031281e02bf951a2259849217193fb9d75a9762 (diff) | |
| parent | 68efa37df779b3e04280598e8b5b3a1919b65fee (diff) | |
Merge branch 'tracing/hw-breakpoints' into perf/core
Conflicts:
arch/x86/kernel/kprobes.c
kernel/trace/Makefile
Merge reason: hw-breakpoints perf integration is looking
good in testing and in reviews, plus conflicts
are mounting up - so merge & resolve.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/include/asm/processor.h')
| -rw-r--r-- | arch/x86/include/asm/processor.h | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h index c9786480f0f..6f8ec1c37e0 100644 --- a/arch/x86/include/asm/processor.h +++ b/arch/x86/include/asm/processor.h @@ -30,6 +30,7 @@ struct mm_struct; #include <linux/math64.h> #include <linux/init.h> +#define HBP_NUM 4 /* * Default implementation of macro that returns current * instruction pointer ("program counter"). @@ -422,6 +423,8 @@ extern unsigned int xstate_size; extern void free_thread_xstate(struct task_struct *); extern struct kmem_cache *task_xstate_cachep; +struct perf_event; + struct thread_struct { /* Cached TLS descriptors: */ struct desc_struct tls_array[GDT_ENTRY_TLS_ENTRIES]; @@ -443,13 +446,10 @@ struct thread_struct { unsigned long fs; #endif unsigned long gs; - /* Hardware debugging registers: */ - unsigned long debugreg0; - unsigned long debugreg1; - unsigned long debugreg2; - unsigned long debugreg3; - unsigned long debugreg6; - unsigned long debugreg7; + /* Save middle states of ptrace breakpoints */ + struct perf_event *ptrace_bps[HBP_NUM]; + /* Debug status used for traps, single steps, etc... */ + unsigned long debugreg6; /* Fault info: */ unsigned long cr2; unsigned long trap_no; |