Messages in this thread Patch in this message | | | Date | Fri, 2 Apr 2010 19:06:22 GMT | From | tip-bot for Jason Wessel <> | Subject | [tip:perf/core] x86,kgdb: Always initialize the hw breakpoint attribute |
| |
Commit-ID: ab310b5edb8b601bcb02491ed6f7676da4fd1757 Gitweb: http://git.kernel.org/tip/ab310b5edb8b601bcb02491ed6f7676da4fd1757 Author: Jason Wessel <jason.wessel@windriver.com> AuthorDate: Tue, 30 Mar 2010 14:05:07 -0500 Committer: Frederic Weisbecker <fweisbec@gmail.com> CommitDate: Thu, 1 Apr 2010 08:26:32 +0200
x86,kgdb: Always initialize the hw breakpoint attribute
It is required to call hw_breakpoint_init() on an attr before using it in any other calls. This fixes the problem where kgdb will sometimes fail to initialize on x86_64.
Signed-off-by: Jason Wessel <jason.wessel@windriver.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: 2.6.33 <stable@kernel.org> LKML-Reference: <1269975907-27602-1-git-send-email-jason.wessel@windriver.com> Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> --- arch/x86/kernel/kgdb.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/arch/x86/kernel/kgdb.c b/arch/x86/kernel/kgdb.c index bfba601..b2258ca 100644 --- a/arch/x86/kernel/kgdb.c +++ b/arch/x86/kernel/kgdb.c @@ -618,8 +618,8 @@ int kgdb_arch_init(void) * portion of kgdb because this operation requires mutexs to * complete. */ + hw_breakpoint_init(&attr); attr.bp_addr = (unsigned long)kgdb_arch_init; - attr.type = PERF_TYPE_BREAKPOINT; attr.bp_len = HW_BREAKPOINT_LEN_1; attr.bp_type = HW_BREAKPOINT_W; attr.disabled = 1;
| |