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| author | Peter Zijlstra <[email protected]> | 2023-07-19 22:15:38 +0200 |
|---|---|---|
| committer | Peter Zijlstra <[email protected]> | 2023-07-20 23:03:50 +0200 |
| commit | 2e7e5bbb1c3c8d502edeb5c0670eac4995134b6f (patch) | |
| tree | 49f390144bd21e3c987e15d85b3022584b5d2d7c /lib/test_fortify/write_overflow-strncpy-src.c | |
| parent | fdf0eaf11452d72945af31804e2a1048ee1b574c (diff) | |
x86: Fix kthread unwind
The rewrite of ret_from_form() misplaced an unwind hint which caused
all kthread stack unwinds to be marked unreliable, breaking
livepatching.
Restore the annotation and add a comment to explain the how and why of
things.
Fixes: 3aec4ecb3d1f ("x86: Rewrite ret_from_fork() in C")
Reported-by: Petr Mladek <[email protected]>
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Tested-by: Petr Mladek <[email protected]>
Link: https://lkml.kernel.org/r/[email protected]
Diffstat (limited to 'lib/test_fortify/write_overflow-strncpy-src.c')
0 files changed, 0 insertions, 0 deletions