diff mbox series

parisc: Avoid spurious inequivalent alias kernel error messages

Message ID 523d1e70-27c4-cd0e-30ba-9a1db0c04f30@bell.net (mailing list archive)
State Accepted, archived
Headers show
Series parisc: Avoid spurious inequivalent alias kernel error messages | expand

Commit Message

John David Anglin Nov. 2, 2019, 4:43 p.m. UTC
This patch changes flush_dcache_page() to only print inequivalent alias error messages
on systems that require coherency.  Inequivalent aliases can occur on systems that don't
require coherency and this can cause spurious messages.

Signed-off-by: John David Anglin <dave.anglin@bell.net>
---
 arch/parisc/kernel/cache.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/arch/parisc/kernel/cache.c b/arch/parisc/kernel/cache.c
index a82b3eaa5398..2407b0b789d3 100644
--- a/arch/parisc/kernel/cache.c
+++ b/arch/parisc/kernel/cache.c
@@ -365,7 +365,7 @@  void flush_dcache_page(struct page *page)
 		if (old_addr == 0 || (old_addr & (SHM_COLOUR - 1))
 				      != (addr & (SHM_COLOUR - 1))) {
 			__flush_cache_page(mpnt, addr, page_to_phys(page));
-			if (old_addr)
+			if (parisc_requires_coherency() && old_addr)
 				printk(KERN_ERR "INEQUIVALENT ALIASES 0x%lx and 0x%lx in file %pD\n", old_addr, addr, mpnt->vm_file);
 			old_addr = addr;
 		}