linux-kernel - [PATCH 11/12] powerpc: wiiu: don't enforce flat memory

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

Message-Id: <20220302044406.63401-12-ash@heyquark.com>
Date:   Wed,  2 Mar 2022 15:44:05 +1100
From:   Ash Logan <ash@...quark.com>
To:     paulus@...ba.org, mpe@...erman.id.au, christophe.leroy@...roup.eu,
        robh+dt@...nel.org, benh@...nel.crashing.org
Cc:     linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        j.ne@...teo.net
Subject: [PATCH 11/12] powerpc: wiiu: don't enforce flat memory

pgtable_32.c:mapin_ram loops over each valid memory range, which means
non-contiguous memory just works.

Signed-off-by: Ash Logan <ash@...quark.com>
---
 arch/powerpc/mm/init_32.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/mm/init_32.c b/arch/powerpc/mm/init_32.c
index 3d690be48e84..59a84629d9a0 100644
--- a/arch/powerpc/mm/init_32.c
+++ b/arch/powerpc/mm/init_32.c
@@ -125,10 +125,10 @@ void __init MMU_init(void)
 	 * lowmem_end_addr is initialized below.
 	 */
 	if (memblock.memory.cnt > 1) {
-#ifndef CONFIG_WII
+#if !defined(CONFIG_WII) && !defined(CONFIG_WIIU)
 		memblock_enforce_memory_limit(memblock.memory.regions[0].size);
 		pr_warn("Only using first contiguous memory region\n");
-#else
+#elif defined(CONFIG_WII)
 		wii_memory_fixups();
 #endif
 	}
-- 
2.35.1