__early_set_fixmap does not do any synchronization when called to set a
fixmap entry. Add call to flush_vmap_cache().
Tested on hardware.
Signed-off-by: Leif Lindholm <leif.lindh...@linaro.org>
Tested-by: Graeme Gregory <graeme.greg...@linaro.org>
Cc: Steve Capper <steve.cap...@linaro.org>
---
arch/arm64/mm/ioremap.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/arch/arm64/mm/ioremap.c b/arch/arm64/mm/ioremap.c
index 7ec3283..5b8766c 100644
--- a/arch/arm64/mm/ioremap.c
+++ b/arch/arm64/mm/ioremap.c
@@ -176,9 +176,10 @@ void __init __early_set_fixmap(enum fixed_addresses idx,
pte = early_ioremap_pte(addr);
- if (pgprot_val(flags))
+ if (pgprot_val(flags)) {
set_pte(pte, pfn_pte(phys >> PAGE_SHIFT, flags));
- else {
+ flush_cache_vmap(addr, addr + PAGE_SIZE);
+ } else {
pte_clear(&init_mm, addr, pte);
flush_tlb_kernel_range(addr, addr+PAGE_SIZE);
}
--
1.7.10.4
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