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authorFrederic Weisbecker <fweisbec@gmail.com>2010-02-27 16:18:46 +0100
committerFrederic Weisbecker <fweisbec@gmail.com>2010-02-27 16:18:46 +0100
commit018cbffe6819f6f8db20a0a3acd9bab9bfd667e4 (patch)
treefadde2521591998dc653fa094c636e8a547e620d /arch/x86/kernel/hw_breakpoint.c
parent1dd2980d990068e20045b90c424518cc7f3657ff (diff)
parent60b341b778cc2929df16c0a504c91621b3c6a4ad (diff)
Merge commit 'v2.6.33' into perf/core
Merge reason: __percpu annotations need the corresponding sparse address space definition upstream. Conflicts: tools/perf/util/probe-event.c (trivial)
Diffstat (limited to 'arch/x86/kernel/hw_breakpoint.c')
-rw-r--r--arch/x86/kernel/hw_breakpoint.c30
1 files changed, 7 insertions, 23 deletions
diff --git a/arch/x86/kernel/hw_breakpoint.c b/arch/x86/kernel/hw_breakpoint.c
index ae90b4739435..dca2802c666f 100644
--- a/arch/x86/kernel/hw_breakpoint.c
+++ b/arch/x86/kernel/hw_breakpoint.c
@@ -212,25 +212,6 @@ static int arch_check_va_in_kernelspace(unsigned long va, u8 hbp_len)
return (va >= TASK_SIZE) && ((va + len - 1) >= TASK_SIZE);
}
-/*
- * Store a breakpoint's encoded address, length, and type.
- */
-static int arch_store_info(struct perf_event *bp)
-{
- struct arch_hw_breakpoint *info = counter_arch_bp(bp);
- /*
- * For kernel-addresses, either the address or symbol name can be
- * specified.
- */
- if (info->name)
- info->address = (unsigned long)
- kallsyms_lookup_name(info->name);
- if (info->address)
- return 0;
-
- return -EINVAL;
-}
-
int arch_bp_generic_fields(int x86_len, int x86_type,
int *gen_len, int *gen_type)
{
@@ -362,10 +343,13 @@ int arch_validate_hwbkpt_settings(struct perf_event *bp,
return ret;
}
- ret = arch_store_info(bp);
-
- if (ret < 0)
- return ret;
+ /*
+ * For kernel-addresses, either the address or symbol name can be
+ * specified.
+ */
+ if (info->name)
+ info->address = (unsigned long)
+ kallsyms_lookup_name(info->name);
/*
* Check that the low-order bits of the address are appropriate
* for the alignment implied by len.