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(parent: f7d6a72) | patch
powerpc/boot: Fix zImage TOC alignment
authorMichael Ellerman <mpe@ellerman.id.au>
Tue, 7 Mar 2017 05:14:49 +0000 (16:14 +1100)
committerMichael Ellerman <mpe@ellerman.id.au>
Tue, 7 Mar 2017 23:39:32 +0000 (10:39 +1100)
commit97ee351b50a49717543533cfb85b4bf9d88c9680
tree1fc6fd4f091418625cf5bc13dd995aa3e21eaf2ctree | snapshot (tar.gz zip)
parentf7d6a7283aa1de430c6323a9714d1a787bc2d1eacommit | diff
powerpc/boot: Fix zImage TOC alignment

Recent toolchains force the TOC to be 256 byte aligned. We need to
enforce this alignment in the zImage linker script, otherwise pointers
to our TOC variables (__toc_start) could be incorrect. If the actual
start of the TOC and __toc_start don't have the same value we crash
early in the zImage wrapper.

Cc: stable@vger.kernel.org
Suggested-by: Alan Modra <amodra@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
arch/powerpc/boot/zImage.lds.S diff | blob | blame | history