Commit 91a57fc6 authored by David Gibson's avatar David Gibson Committed by Paul Mackerras
Browse files

[PATCH] Tweak comments in ppc64 head.S 



This patch adjust some comments in head.S for accuracy, clarity, and
spelling.

Signed-off-by: default avatarDavid Gibson <dwg@au1.ibm.com>
Signed-off-by: default avatarPaul Mackerras <paulus@samba.org>
parent 1d086e6b

arch/ppc64/kernel/head.S

+4 −4
Original line number Diff line number Diff line
@@ -148,7 +148,7 @@ _GLOBAL(__secondary_hold) 
	std	r24,__secondary_hold_acknowledge@l(0)

	sync



	/* All secondary cpu's wait here until told to start. */

	/* All secondary cpus wait here until told to start. */

100:	ld	r4,__secondary_hold_spinloop@l(0)

	cmpdi	0,r4,1

	bne	100b
@@ -703,8 +703,8 @@ machine_check_common: 
 * R9 contains the saved CR, r13 points to the paca,

 * r10 contains the (bad) kernel stack pointer,

 * r11 and r12 contain the saved SRR0 and SRR1.

 * We switch to using the paca guard page as an emergency stack,

 * save the registers there, and call kernel_bad_stack(), which panics.

 * We switch to using an emergency stack, save the registers there,

 * and call kernel_bad_stack(), which panics.

 */

bad_stack:

	ld	r1,PACAEMERGSP(r13)
@@ -1303,7 +1303,7 @@ _GLOBAL(pSeries_secondary_smp_init) 
	b	.kexec_wait		/* next kernel might do better	 */



2:	mtspr	SPRG3,r13		/* Save vaddr of paca in SPRG3	 */

	/* From now on, r24 is expected to be logica cpuid */

	/* From now on, r24 is expected to be logical cpuid */

	mr	r24,r5

3:	HMT_LOW

	lbz	r23,PACAPROCSTART(r13)	/* Test if this processor should */