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| author | Peter Zijlstra <peterz@infradead.org> | 2020-10-27 10:15:06 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2020-10-27 23:15:23 +0100 |
| commit | a195f3d4528a2f88d6f986f6b1101775ad4891cf (patch) | |
| tree | f61191d9faa00ce094e8a54b215e4de01262fec7 /lib/uuid.c | |
| parent | 2a9baf5ad4884108b3c6d56a50e8105ccf8a4ee7 (diff) | |
x86/debug: Only clear/set ->virtual_dr6 for userspace #DB
The ->virtual_dr6 is the value used by ptrace_{get,set}_debugreg(6). A
kernel #DB clearing it could mean spurious malfunction of ptrace()
expectations.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Kyle Huey <me@kylehuey.com>
Link: https://lore.kernel.org/r/20201027093608.028952500@infradead.org
Diffstat (limited to 'lib/uuid.c')
0 files changed, 0 insertions, 0 deletions