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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-01-02 15:10:07 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-01-02 15:10:07 +0100 |
| commit | 69c444ba93b76f2da4f23449c72e83521142b243 (patch) | |
| tree | 4d460a117b909ed5d38cf01e00b95f01b4bbb68c /arch/parisc/kernel/entry.S | |
| parent | 2b022ab7542df60021ab57854b3faaaf42552eaf (diff) | |
| parent | 30a7acd573899fd8b8ac39236eff6468b195ac7d (diff) | |
Merge 4.15-rc6 into tty-next
We want the ldisc fix here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/parisc/kernel/entry.S')
| -rw-r--r-- | arch/parisc/kernel/entry.S | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/arch/parisc/kernel/entry.S b/arch/parisc/kernel/entry.S index a4fd296c958e..f3cecf5117cf 100644 --- a/arch/parisc/kernel/entry.S +++ b/arch/parisc/kernel/entry.S @@ -878,9 +878,6 @@ ENTRY_CFI(syscall_exit_rfi) STREG %r19,PT_SR7(%r16) intr_return: - /* NOTE: Need to enable interrupts incase we schedule. */ - ssm PSW_SM_I, %r0 - /* check for reschedule */ mfctl %cr30,%r1 LDREG TI_FLAGS(%r1),%r19 /* sched.h: TIF_NEED_RESCHED */ @@ -907,6 +904,11 @@ intr_check_sig: LDREG PT_IASQ1(%r16), %r20 cmpib,COND(=),n 0,%r20,intr_restore /* backward */ + /* NOTE: We need to enable interrupts if we have to deliver + * signals. We used to do this earlier but it caused kernel + * stack overflows. */ + ssm PSW_SM_I, %r0 + copy %r0, %r25 /* long in_syscall = 0 */ #ifdef CONFIG_64BIT ldo -16(%r30),%r29 /* Reference param save area */ @@ -958,6 +960,10 @@ intr_do_resched: cmpib,COND(=) 0, %r20, intr_do_preempt nop + /* NOTE: We need to enable interrupts if we schedule. We used + * to do this earlier but it caused kernel stack overflows. */ + ssm PSW_SM_I, %r0 + #ifdef CONFIG_64BIT ldo -16(%r30),%r29 /* Reference param save area */ #endif |