Merge branch 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

* 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  hw breakpoints: Fix pid namespace bug
  x86: Fix instruction breakpoint encoding
  oprofile: Add Support for Intel CPU Family 6 / Model 22 (Intel Celeron 540)
  kprobes: Fix Kconfig dependency
This commit is contained in:
Linus Torvalds
2010-09-21 13:21:42 -07:00
5 changed files with 27 additions and 26 deletions

View File

@@ -206,11 +206,27 @@ int arch_check_bp_in_kernelspace(struct perf_event *bp)
int arch_bp_generic_fields(int x86_len, int x86_type,
int *gen_len, int *gen_type)
{
/* Type */
switch (x86_type) {
case X86_BREAKPOINT_EXECUTE:
if (x86_len != X86_BREAKPOINT_LEN_X)
return -EINVAL;
*gen_type = HW_BREAKPOINT_X;
*gen_len = sizeof(long);
return 0;
case X86_BREAKPOINT_WRITE:
*gen_type = HW_BREAKPOINT_W;
break;
case X86_BREAKPOINT_RW:
*gen_type = HW_BREAKPOINT_W | HW_BREAKPOINT_R;
break;
default:
return -EINVAL;
}
/* Len */
switch (x86_len) {
case X86_BREAKPOINT_LEN_X:
*gen_len = sizeof(long);
break;
case X86_BREAKPOINT_LEN_1:
*gen_len = HW_BREAKPOINT_LEN_1;
break;
@@ -229,21 +245,6 @@ int arch_bp_generic_fields(int x86_len, int x86_type,
return -EINVAL;
}
/* Type */
switch (x86_type) {
case X86_BREAKPOINT_EXECUTE:
*gen_type = HW_BREAKPOINT_X;
break;
case X86_BREAKPOINT_WRITE:
*gen_type = HW_BREAKPOINT_W;
break;
case X86_BREAKPOINT_RW:
*gen_type = HW_BREAKPOINT_W | HW_BREAKPOINT_R;
break;
default:
return -EINVAL;
}
return 0;
}
@@ -316,9 +317,6 @@ int arch_validate_hwbkpt_settings(struct perf_event *bp)
ret = -EINVAL;
switch (info->len) {
case X86_BREAKPOINT_LEN_X:
align = sizeof(long) -1;
break;
case X86_BREAKPOINT_LEN_1:
align = 0;
break;