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authorJohn David Anglin <dave.anglin@bell.net>2020-10-02 20:03:27 +0200
committerHelge Deller <deller@gmx.de>2020-10-15 08:10:38 +0200
commit4df82ce78a34b8f94f3a512ef93972f978713cbc (patch)
treeecd77ca1592a1313d87bc876b4e7bb079d667339 /arch/parisc/kernel/entry.S
parent6caf55e570efe53f161bf9af64f22b310e86032e (diff)
parisc: Fix comments and enable interrupts later
Correct the comments: The jump is forwards, not backwards. Enable the interrupts after %r29 (reference param area) was loaded. Signed-off-by: John David Anglin <dave.anglin@bell.net> Signed-off-by: Helge Deller <deller@gmx.de>
Diffstat (limited to 'arch/parisc/kernel/entry.S')
-rw-r--r--arch/parisc/kernel/entry.S14
1 files changed, 7 insertions, 7 deletions
diff --git a/arch/parisc/kernel/entry.S b/arch/parisc/kernel/entry.S
index 519f9056fd00..f6f28e41bb5e 100644
--- a/arch/parisc/kernel/entry.S
+++ b/arch/parisc/kernel/entry.S
@@ -899,20 +899,20 @@ intr_check_sig:
* Only do signals if we are returning to user space
*/
LDREG PT_IASQ0(%r16), %r20
- cmpib,COND(=),n LINUX_GATEWAY_SPACE, %r20, intr_restore /* backward */
+ cmpib,COND(=),n LINUX_GATEWAY_SPACE, %r20, intr_restore /* forward */
LDREG PT_IASQ1(%r16), %r20
- cmpib,COND(=),n LINUX_GATEWAY_SPACE, %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
+ cmpib,COND(=),n LINUX_GATEWAY_SPACE, %r20, intr_restore /* forward */
copy %r0, %r25 /* long in_syscall = 0 */
#ifdef CONFIG_64BIT
ldo -16(%r30),%r29 /* Reference param save area */
#endif
+ /* 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
+
BL do_notify_resume,%r2
copy %r16, %r26 /* struct pt_regs *regs */