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| author | Frederic Weisbecker <fweisbec@gmail.com> | 2010-04-22 07:05:45 +0400 |
|---|---|---|
| committer | Frederic Weisbecker <fweisbec@gmail.com> | 2010-05-01 06:32:07 +0400 |
| commit | 73266fc1df2f94cf72b3beba3eee3b88ed0b0664 (patch) | |
| tree | 876f6ab9c85715665e5c5562d70d9ea2c10facea /arch | |
| parent | d00a47cce569a3e660a8c9de5d57af28d6a9f0f7 (diff) | |
| download | linux-73266fc1df2f94cf72b3beba3eee3b88ed0b0664.tar.xz | |
hw-breakpoints: Tag ptrace breakpoint as exclude_kernel
Tag ptrace breakpoints with the exclude_kernel attribute set. This
will make it easier to set generic policies on breakpoints, when it
comes to ensure nobody unpriviliged try to breakpoint on the kernel.
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Acked-by: Paul Mundt <lethal@linux-sh.org>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Mahesh Salgaonkar <mahesh@linux.vnet.ibm.com>
Cc: K. Prasad <prasad@linux.vnet.ibm.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/sh/kernel/ptrace_32.c | 2 | ||||
| -rw-r--r-- | arch/x86/kernel/ptrace.c | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/arch/sh/kernel/ptrace_32.c b/arch/sh/kernel/ptrace_32.c index 7759a9a93211..d4104ce9fe53 100644 --- a/arch/sh/kernel/ptrace_32.c +++ b/arch/sh/kernel/ptrace_32.c @@ -85,7 +85,7 @@ static int set_single_step(struct task_struct *tsk, unsigned long addr) bp = thread->ptrace_bps[0]; if (!bp) { - hw_breakpoint_init(&attr); + ptrace_breakpoint_init(&attr); attr.bp_addr = addr; attr.bp_len = HW_BREAKPOINT_LEN_2; diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c index 055be0afd330..70c4872cd8aa 100644 --- a/arch/x86/kernel/ptrace.c +++ b/arch/x86/kernel/ptrace.c @@ -688,7 +688,7 @@ static int ptrace_set_breakpoint_addr(struct task_struct *tsk, int nr, struct perf_event_attr attr; if (!t->ptrace_bps[nr]) { - hw_breakpoint_init(&attr); + ptrace_breakpoint_init(&attr); /* * Put stub len and type to register (reserve) an inactive but * correct bp |