From be201f7f4cd26b1bb994062803e0d87877e749ce Mon Sep 17 00:00:00 2001 From: Jimi Xenidis Date: Thu, 15 Sep 2005 08:42:19 -0400 Subject: [PATCH] [PATCH] ppc64: Fix recent regression As noted by Olof Johansson : "A recent patch changed the way the LPAR bit is checked during early boot. This resulted in a polarity change in a conditional branch without changing the branch, causing at least some legacy machines to not boot." This fixes it. Signed-off-by: Jimi Xenidis Signed-off-by: Linus Torvalds --- arch/ppc64/kernel/head.S | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/ppc64/kernel/head.S b/arch/ppc64/kernel/head.S index 58c314738c..72c6104115 100644 --- a/arch/ppc64/kernel/head.S +++ b/arch/ppc64/kernel/head.S @@ -1649,7 +1649,7 @@ _GLOBAL(__secondary_start) ld r3,0(r3) lwz r3,PLATFORM(r3) /* r3 = platform flags */ andi. r3,r3,PLATFORM_LPAR /* Test if bit 0 is set (LPAR bit) */ - bne 98f + beq 98f /* branch if result is 0 */ mfspr r3,PVR srwi r3,r3,16 cmpwi r3,0x37 /* SStar */ @@ -1813,7 +1813,7 @@ _STATIC(start_here_multiplatform) ld r3,0(r3) lwz r3,PLATFORM(r3) /* r3 = platform flags */ andi. r3,r3,PLATFORM_LPAR /* Test if bit 0 is set (LPAR bit) */ - bne 98f + beq 98f /* branch if result is 0 */ mfspr r3,PVR srwi r3,r3,16 cmpwi r3,0x37 /* SStar */ @@ -1834,7 +1834,7 @@ _STATIC(start_here_multiplatform) lwz r3,PLATFORM(r3) /* r3 = platform flags */ /* Test if bit 0 is set (LPAR bit) */ andi. r3,r3,PLATFORM_LPAR - bne 98f + bne 98f /* branch if result is !0 */ LOADADDR(r6,_SDR1) /* Only if NOT LPAR */ sub r6,r6,r26 ld r6,0(r6) /* get the value of _SDR1 */ -- 2.39.5