linux-kernel - [PATCH] powerpc/8xx: mmu_virtual

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>] [day] [month] [year] [list]

Message-Id: <20150417163717.EFE071A242C@localhost.localdomain>
Date:	Fri, 17 Apr 2015 18:37:17 +0200 (CEST)
From:	Christophe Leroy <christophe.leroy@....fr>
To:	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Paul Mackerras <paulus@...ba.org>,
	Michael Ellerman <mpe@...erman.id.au>, scottwood@...escale.com
CC:	linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
	Joakim Tjernlund <joakim.tjernlund@...nsmode.se>
Subject: [PATCH] powerpc/8xx: mmu_virtual_psize incorrect for 16k pages

mmu_virtual_psize shall be set to MMU_PAGE_16K when 16k pages have
been selected

Signed-off-by: Christophe Leroy <christophe.leroy@....fr>

---
 arch/powerpc/include/asm/mmu-8xx.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/powerpc/include/asm/mmu-8xx.h b/arch/powerpc/include/asm/mmu-8xx.h
index 986b9e1..d41200c 100644
--- a/arch/powerpc/include/asm/mmu-8xx.h
+++ b/arch/powerpc/include/asm/mmu-8xx.h
@@ -145,7 +145,14 @@ typedef struct {
 } mm_context_t;
 #endif /* !__ASSEMBLY__ */
 
+#if (PAGE_SHIFT == 12)
 #define mmu_virtual_psize	MMU_PAGE_4K
+#elif (PAGE_SHIFT == 14)
+#define mmu_virtual_psize	MMU_PAGE_16K
+#else
+#error "Unsupported PAGE_SIZE"
+#endif
+
 #define mmu_linear_psize	MMU_PAGE_8M
 
 #endif /* _ASM_POWERPC_MMU_8XX_H_ */
-- 
2.1.0

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/