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[PATCH] Tweak comments in ppc64 head.S

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

Signed-off-by: David Gibson <dwg@au1.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
David Gibson 2005-08-19 14:52:32 +10:00 committed by Paul Mackerras
parent 1d086e6bd6
commit 91a57fc672
1 changed files with 4 additions and 4 deletions
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8
arch/ppc64/kernel/head.S
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@ -148,7 +148,7 @@ _GLOBAL(__secondary_hold)
std r24,__secondary_hold_acknowledge@l(0) std r24,__secondary_hold_acknowledge@l(0)
sync 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) 100: ld r4,__secondary_hold_spinloop@l(0)
cmpdi 0,r4,1 cmpdi 0,r4,1
bne 100b bne 100b
@ -703,8 +703,8 @@ machine_check_common:
* R9 contains the saved CR, r13 points to the paca, * R9 contains the saved CR, r13 points to the paca,
* r10 contains the (bad) kernel stack pointer, * r10 contains the (bad) kernel stack pointer,
* r11 and r12 contain the saved SRR0 and SRR1. * r11 and r12 contain the saved SRR0 and SRR1.
* We switch to using the paca guard page as an emergency stack, * We switch to using an emergency stack, save the registers there,
* save the registers there, and call kernel_bad_stack(), which panics. * and call kernel_bad_stack(), which panics.
*/ */
bad_stack: bad_stack:
ld r1,PACAEMERGSP(r13) ld r1,PACAEMERGSP(r13)
@ -1303,7 +1303,7 @@ _GLOBAL(pSeries_secondary_smp_init)
b .kexec_wait /* next kernel might do better */ b .kexec_wait /* next kernel might do better */
2: mtspr SPRG3,r13 /* Save vaddr of paca in SPRG3 */ 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 mr r24,r5
3: HMT_LOW 3: HMT_LOW
lbz r23,PACAPROCSTART(r13) /* Test if this processor should */ lbz r23,PACAPROCSTART(r13) /* Test if this processor should */