* [PATCH] powerpc: Align TOC to 256 bytes
@ 2015-05-14 4:45 Anton Blanchard
0 siblings, 0 replies; only message in thread
From: Anton Blanchard @ 2015-05-14 4:45 UTC (permalink / raw)
To: benh, paulus, mpe, amodra; +Cc: linuxppc-dev
Recent toolchains force the TOC to be 256 byte aligned. We need
to enforce this alignment in our linker script, otherwise pointers
to our TOC variables (__toc_start, __prom_init_toc_start) could
be incorrect.
If they are bad, we die a few hundred instructions into boot.
Cc: stable@vger.kernel.org
Signed-off-by: Anton Blanchard <anton@samba.org>
---
arch/powerpc/kernel/vmlinux.lds.S | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/powerpc/kernel/vmlinux.lds.S b/arch/powerpc/kernel/vmlinux.lds.S
index f096e72..1db6851 100644
--- a/arch/powerpc/kernel/vmlinux.lds.S
+++ b/arch/powerpc/kernel/vmlinux.lds.S
@@ -213,6 +213,7 @@ SECTIONS
*(.opd)
}
+ . = ALIGN(256);
.got : AT(ADDR(.got) - LOAD_OFFSET) {
__toc_start = .;
#ifndef CONFIG_RELOCATABLE
--
2.1.4
^ permalink raw reply related [flat|nested] only message in thread
only message in thread, other threads:[~2015-05-14 4:45 UTC | newest]
Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2015-05-14 4:45 [PATCH] powerpc: Align TOC to 256 bytes Anton Blanchard
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.