| Message ID | 1531835470-32691-5-git-send-email-linuxram@us.ibm.com (mailing list archive) |
|---|---|
| State | Accepted |
| Commit | c76662e825f507b98938dc3bb141c4505bd4968c |
| Headers | show |
| Series | powerpc/pkeys: fixes to pkeys | expand |
| Context | Check | Description |
|---|---|---|
| snowpatch_ozlabs/apply_patch | success | next/apply_patch Successfully applied |
| snowpatch_ozlabs/checkpatch | success | Test checkpatch on branch next |
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index 9ef4aea..991d097 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -583,6 +583,7 @@ static void save_all(struct task_struct *tsk) __giveup_spe(tsk); msr_check_and_clear(msr_all_available); + thread_pkey_regs_save(&tsk->thread); } void flush_all_to_thread(struct task_struct *tsk)
When a thread forks the contents of AMR, IAMR, UAMOR registers in the newly forked thread are not inherited. Save the registers before forking, for content of those registers to be automatically copied into the new thread. Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Florian Weimer <fweimer@redhat.com> Cc: Andy Lutomirski <luto@kernel.org> Cc: Thiago Jung Bauermann <bauerman@linux.ibm.com> Fixes: cf43d3b26452 ("powerpc: Enable pkey subsystem") Cc: stable@vger.kernel.org # v4.16+ Signed-off-by: Ram Pai <linuxram@us.ibm.com> --- arch/powerpc/kernel/process.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-)