Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
powerpc: Fix boot problem due to AT_BASE_PLATFORM change
Commit 9115d13453dee22473a1e8cacc90a8d64a9c4bc9 ("powerpc: Enable
AT_BASE_PLATFORM aux vector") broke boot on 32-bit powerpc systems; we
have to use PTRRELOC to initialize powerpc_base_platform this early in
boot.
Bug reported by Jon Smirl.
Signed-off-by: Nathan Lynch <ntl@pobox.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
authored by
Nathan Lynch
and committed by
Benjamin Herrenschmidt
fc532f81
5047887c
+2
-2
arch/powerpc/kernel/cputable.c
+2
-2
arch/powerpc/kernel/cputable.c
···
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* Set the base platform string once; assumes
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* we're called with real pvr first.
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*/
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-
if (powerpc_base_platform == NULL)
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-
powerpc_base_platform = t->platform;
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+
if (*PTRRELOC(&powerpc_base_platform) == NULL)
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+
*PTRRELOC(&powerpc_base_platform) = t->platform;
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#if defined(CONFIG_PPC64) || defined(CONFIG_BOOKE)
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/* ppc64 and booke expect identify_cpu to also call