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| author | Pratyush Anand <panand@redhat.com> | 2014-12-25 17:46:28 +0530 |
|---|---|---|
| committer | Steven Capper <steve.capper@linaro.org> | 2015-04-07 12:58:39 +0100 |
| commit | 566a5ddfd55e1f2864ae7d1bc85413f52c087d44 (patch) | |
| tree | 398ebb6dec717e89bb6037537015cc740a4438c3 | |
| parent | f58abc2b6c4d0c0eb42e06e502b25a2f97efb903 (diff) | |
| download | linux-566a5ddfd55e1f2864ae7d1bc85413f52c087d44.tar.gz | |
ARM64: Handle TRAP_HWBRKPT for user mode as well
uprobe registers a handler at step_hook. So, single_step_handler now
checks for user mode as well if there is a valid hook.
Signed-off-by: Pratyush Anand <panand@redhat.com>
Signed-off-by: Steve Capper <steve.capper@linaro.org>
Conflicts:
arch/arm64/kernel/debug-monitors.c
| -rw-r--r-- | arch/arm64/kernel/debug-monitors.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/arm64/kernel/debug-monitors.c b/arch/arm64/kernel/debug-monitors.c index dae7bb45894..6ffa05d9738 100644 --- a/arch/arm64/kernel/debug-monitors.c +++ b/arch/arm64/kernel/debug-monitors.c @@ -238,6 +238,9 @@ static int single_step_handler(unsigned long addr, unsigned int esr, if (!reinstall_suspended_bps(regs)) return 0; + if (call_step_hook(regs, esr) == DBG_HOOK_HANDLED) + return 0; + if (user_mode(regs)) { info.si_signo = SIGTRAP; info.si_errno = 0; |