* [PATCH] parisc: In flush_cache_page, always flush tlb if pfn is valid
@ 2022-03-30 14:36 John David Anglin
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From: John David Anglin @ 2022-03-30 14:36 UTC (permalink / raw)
To: linux-parisc; +Cc: Helge Deller, Deller, James Bottomley
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The purpose of this change is to inhibit move-in whenever we flush
or purge.
Signed-off-by: John David Anglin <dave.anglin@bell.net>
---
diff --git a/arch/parisc/kernel/cache.c b/arch/parisc/kernel/cache.c
index 23348199f3f8..91d218953b5c 100644
--- a/arch/parisc/kernel/cache.c
+++ b/arch/parisc/kernel/cache.c
@@ -611,8 +611,8 @@ void
flush_cache_page(struct vm_area_struct *vma, unsigned long vmaddr, unsigned long pfn)
{
if (pfn_valid(pfn)) {
+ flush_tlb_page(vma, vmaddr);
if (likely(vma->vm_mm->context.space_id)) {
- flush_tlb_page(vma, vmaddr);
__flush_cache_page(vma, vmaddr, PFN_PHYS(pfn));
} else {
__purge_cache_page(vma, vmaddr, PFN_PHYS(pfn));
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2022-03-30 14:36 [PATCH] parisc: In flush_cache_page, always flush tlb if pfn is valid John David Anglin
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