diff options
| author | Nicholas Piggin <npiggin@gmail.com> | 2021-06-18 01:51:09 +1000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2021-06-25 00:06:56 +1000 |
| commit | 862fa563524b9f92d7e89fe332732bd3421772db (patch) | |
| tree | c7f75465c50546df29531924bd0e993bd5e62e83 /arch/mips | |
| parent | f23699c93becd746295aaa506537882a46a62219 (diff) | |
powerpc/64: interrupt soft-enable race fix
Prevent interrupt restore from allowing racing hard interrupts going
ahead of previous soft-pending ones, by using the soft-masked restart
handler to allow a store to clear the soft-mask while knowing nothing
is soft-pending.
This probably doesn't matter much in practice, but it's a simple
demonstrator / test case to exercise the restart table logic.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210617155116.2167984-11-npiggin@gmail.com
Diffstat (limited to 'arch/mips')
0 files changed, 0 insertions, 0 deletions