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| author | Anton Ivanov <[email protected]> | 2024-07-02 10:25:50 +0200 |
|---|---|---|
| committer | Johannes Berg <[email protected]> | 2024-07-03 17:10:43 +0200 |
| commit | cd01672d64a358cccc087c8b845ebe6b7e9e2ca4 (patch) | |
| tree | ba65019fb557e0422ff581ed802e2c75467a686f /tools/perf/scripts/python | |
| parent | bcf3d957c63d8b6d718b862fea18c5f14ce803e2 (diff) | |
um: Enable preemption in UML
Since userspace state is saved in the MM process, kernel using
FPU still doesn't really need to do anything, so this really
is as simple as enabling preemption. The irq critical section
in sigio_handler() needs preempt_disable()/preempt_enable().
Signed-off-by: Anton Ivanov <[email protected]>
Link: https://patch.msgid.link/20240702102549.d2fcea450854.I12f5a53d80ec1e425e66ef272b1e95cb523b608e@changeid
[rebase, remove FPU save/restore, fix x86/um Makefile,
rewrite commit message]
Signed-off-by: Johannes Berg <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions