Commit 4df82ce7 authored by John David Anglin's avatar John David Anglin Committed by Helge Deller
Browse files

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: default avatarJohn David Anglin <dave.anglin@bell.net>
Signed-off-by: default avatarHelge Deller <deller@gmx.de>
parent 6caf55e5

arch/parisc/kernel/entry.S

+7 −7
Original line number Diff line number Diff line
@@ -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 */

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