| commit | c878e0cff5c5e56b216951cbe75f7a3dd500a736 | [log] [tgz] |
|---|---|---|
| author | Will Deacon <will.deacon@arm.com> | Thu Jul 31 11:36:08 2014 +0100 |
| committer | Will Deacon <will.deacon@arm.com> | Thu Jul 31 11:36:08 2014 +0100 |
| tree | 234fca64e4707b18b7c1bfe354348e9a096badbf | |
| parent | 3666f88010d71e752ad677ec64edf148366afb7a [diff] |
arm64: don't call break hooks for BRK exceptions from EL0 Our break hooks are used to handle brk exceptions from kgdb (and potentially kprobes if that code ever resurfaces), so don't bother calling them if the BRK exception comes from userspace. This prevents userspace from trapping to a kdb shell on systems where kgdb is enabled and active. Cc: <stable@vger.kernel.org> Reported-by: Omar Sandoval <osandov@osandov.com> Signed-off-by: Will Deacon <will.deacon@arm.com>