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Subject[PATCH] powerpc/fsl_booke/32: fix build with CONFIG_RANDOMIZE_BASE
Date
Building the current 5.8 kernel for a e500 machine with
CONFIG_RANDOMIZE_BASE set yields the following failure:

arch/powerpc/mm/nohash/kaslr_booke.c: In function 'kaslr_early_init':
arch/powerpc/mm/nohash/kaslr_booke.c:387:2: error: implicit declaration
of function 'flush_icache_range'; did you mean 'flush_tlb_range'?
[-Werror=implicit-function-declaration]

Indeed, including asm/cacheflush.h into kaslr_booke.c fixes the build.

The issue dates back to the introduction of that file and probably went
unnoticed because there's no in-tree defconfig with CONFIG_RANDOMIZE_BASE
set.

Fixes: 2b0e86cc5de6 ("powerpc/fsl_booke/32: implement KASLR infrastructure")
Cc: stable@vger.kernel.org
Signed-off-by: Arseny Solokha <asolokha@kb.kras.ru>
---
arch/powerpc/mm/nohash/kaslr_booke.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/arch/powerpc/mm/nohash/kaslr_booke.c b/arch/powerpc/mm/nohash/kaslr_booke.c
index 4a75f2d9bf0e..bce0e5349978 100644
--- a/arch/powerpc/mm/nohash/kaslr_booke.c
+++ b/arch/powerpc/mm/nohash/kaslr_booke.c
@@ -14,6 +14,7 @@
#include <linux/memblock.h>
#include <linux/libfdt.h>
#include <linux/crash_core.h>
+#include <asm/cacheflush.h>
#include <asm/pgalloc.h>
#include <asm/prom.h>
#include <asm/kdump.h>
--
2.27.0
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