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| author | Will Deacon <will.deacon@arm.com> | 2016-07-19 16:07:39 +0200 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2016-07-19 18:00:29 +0200 |
| commit | 44bd887ce10eb8061f6a137f8a73f823957edd82 (patch) | |
| tree | 01c45387b5a4e9b7ec7a0328299d569fe8e05da5 /arch/arm64/kernel/kuser32.S | |
| parent | kprobes: Add arm64 case in kprobe example module (diff) | |
| download | linux-44bd887ce10eb8061f6a137f8a73f823957edd82.tar.xz linux-44bd887ce10eb8061f6a137f8a73f823957edd82.zip | |
arm64: kprobes: WARN if attempting to step with PSTATE.D=1
Stepping with PSTATE.D=1 is bad news. The step won't generate a debug
exception and we'll likely walk off into random data structures. This
should never happen, but when it does, it's a PITA to debug. Add a
WARN_ON to shout if we realise this is about to take place.
Signed-off-by: Will Deacon <will.deacon@arm.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm64/kernel/kuser32.S')
0 files changed, 0 insertions, 0 deletions