diff options
| author | Nicholas Piggin <npiggin@gmail.com> | 2016-07-25 14:26:51 +1000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2016-08-29 12:47:56 +1000 |
| commit | cc7786d3ee7e3c979799db834b528db2c0834c2e (patch) | |
| tree | 5983f225848f30047b2f61ec6c04c7d779a302ac /arch/x86 | |
| parent | 7c379526d7e71d2041c8ca0bd9af4888916a14b9 (diff) | |
| download | linux-cc7786d3ee7e3c979799db834b528db2c0834c2e.tar.gz | |
powerpc/tm: do not use r13 for tabort_syscall
tabort_syscall runs with RI=1, so a nested recoverable machine check will load the paca into r13 and overwrite what we loaded it with, because exceptions returning to privileged mode do not restore r13. Fixes: b4b56f9ecab4 (powerpc/tm: Abort syscalls in active transactions) Cc: stable@vger.kernel.org Signed-off-by: Nick Piggin <npiggin@gmail.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/x86')
0 files changed, 0 insertions, 0 deletions