linux-kernel - [PATCH] powerpc/mm: Fix verification of MMU_FTR_TYPE

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:   Sat, 10 Oct 2020 17:30:59 +0000 (UTC)
From:   Christophe Leroy <christophe.leroy@...roup.eu>
To:     Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        Alastair D'Silva <alastair@...ilva.org>
Cc:     linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org
Subject: [PATCH] powerpc/mm: Fix verification of MMU_FTR_TYPE_44x

MMU_FTR_TYPE_44x cannot be checked by cpu_has_feature()

Use mmu_has_feature() instead

Fixes: 23eb7f560a2a ("powerpc: Convert flush_icache_range & friends to C")
Cc: stable@...r.kernel.org
Signed-off-by: Christophe Leroy <christophe.leroy@...roup.eu>
---
 arch/powerpc/mm/mem.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
index ddc32cc1b6cf..b7586d8c835b 100644
--- a/arch/powerpc/mm/mem.c
+++ b/arch/powerpc/mm/mem.c
@@ -530,7 +530,7 @@ void __flush_dcache_icache(void *p)
 	 * space occurs, before returning to user space.
 	 */
 
-	if (cpu_has_feature(MMU_FTR_TYPE_44x))
+	if (mmu_has_feature(MMU_FTR_TYPE_44x))
 		return;
 
 	invalidate_icache_range(addr, addr + PAGE_SIZE);
-- 
2.25.0