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authorChristoph Hellwig <hch@lst.de>2020-06-07 21:42:37 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2020-06-08 11:05:58 -0700
commita1e81f9654eef650d3ee35c94a8cab00b5cd379c (patch)
tree33d3adf6d83d754159f2760395c0f4c82a681f38 /arch/m68k/mm
parentfca7f8e6fdeb716420a348acf6ca9bc7e609f5c0 (diff)
downloadlinux-a1e81f9654eef650d3ee35c94a8cab00b5cd379c.tar.bz2
m68k: implement flush_icache_user_range
Rename the current flush_icache_range to flush_icache_user_range as per commit ae92ef8a4424 ("PATCH] flush icache in correct context") there seems to be an assumption that it operates on user addresses. Add a flush_icache_range around it that for now is a no-op. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Link: http://lkml.kernel.org/r/20200515143646.3857579-25-hch@lst.de Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/m68k/mm')
-rw-r--r--arch/m68k/mm/cache.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/m68k/mm/cache.c b/arch/m68k/mm/cache.c
index 99057cd5ff7f..7915be3a0971 100644
--- a/arch/m68k/mm/cache.c
+++ b/arch/m68k/mm/cache.c
@@ -73,7 +73,7 @@ static unsigned long virt_to_phys_slow(unsigned long vaddr)
/* Push n pages at kernel virtual address and clear the icache */
/* RZ: use cpush %bc instead of cpush %dc, cinv %ic */
-void flush_icache_range(unsigned long address, unsigned long endaddr)
+void flush_icache_user_range(unsigned long address, unsigned long endaddr)
{
if (CPU_IS_COLDFIRE) {
unsigned long start, end;
@@ -104,6 +104,11 @@ void flush_icache_range(unsigned long address, unsigned long endaddr)
: "di" (FLUSH_I));
}
}
+
+void flush_icache_range(unsigned long address, unsigned long endaddr)
+{
+ flush_icache_user_range(address, endaddr);
+}
EXPORT_SYMBOL(flush_icache_range);
void flush_icache_user_page(struct vm_area_struct *vma, struct page *page,