From: David Gibson Date: Fri, 19 Aug 2005 04:52:32 +0000 (+1000) Subject: [PATCH] Fix apparent code overlap in ppc64 head.S X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=60ba44945714d9b7dae8b85ab0926f6f13809c73;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git [PATCH] Fix apparent code overlap in ppc64 head.S An #if/#else construct near the top of ppc64's head.S appears to create overlapping sections of code for iSeries and pSeries (i.e. one thing on iSeries and something different in the same place on pSeries). In fact, checking the various absolute offsets, it doesn't. This patch unravels the #ifdefs to make it more obvious what's going on. This accomplishes another microstep towards a single kernel image which can boot both iSeries and pSeries. Signed-off-by: David Gibson Signed-off-by: Paul Mackerras --- diff --git a/arch/ppc64/kernel/head.S b/arch/ppc64/kernel/head.S index 70e10403b697..1cc9f203c22f 100644 --- a/arch/ppc64/kernel/head.S +++ b/arch/ppc64/kernel/head.S @@ -93,6 +93,7 @@ END_FTR_SECTION(0, 1) /* Catch branch to 0 in real mode */ trap + #ifdef CONFIG_PPC_ISERIES /* * At offset 0x20, there is a pointer to iSeries LPAR data. @@ -119,7 +120,7 @@ embedded_sysmap_start: embedded_sysmap_end: .llong 0 -#else /* CONFIG_PPC_ISERIES */ +#endif /* CONFIG_PPC_ISERIES */ /* Secondary processors spin on this value until it goes to 1. */ .globl __secondary_hold_spinloop @@ -169,7 +170,6 @@ _GLOBAL(__secondary_hold) BUG_OPCODE #endif #endif -#endif /* This value is used to mark exception frames on the stack. */ .section ".toc","aw"