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:   Sun, 14 Oct 2018 20:13:04 +0200
From:   Christoph Hellwig <hch@....de>
To:     chris@...kel.net, jcmvbkbc@...il.com
Cc:     linux-xtensa@...ux-xtensa.org, linux-kernel@...r.kernel.org
Subject: [PATCH] xtensa: remove ZONE_DMA

ZONE_DMA is intended for magic < 32-bit pools (usually ISA DMA), which
isn't required on xtensa.  Move all the non-highmem memory into
ZONE_NORMAL instead to match other architectures.

Signed-off-by: Christoph Hellwig <hch@....de>
---
 arch/xtensa/Kconfig   | 3 ---
 arch/xtensa/mm/init.c | 2 +-
 2 files changed, 1 insertion(+), 4 deletions(-)

diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig
index 516694937b7a..9a7c654a7654 100644
--- a/arch/xtensa/Kconfig
+++ b/arch/xtensa/Kconfig
@@ -1,7 +1,4 @@
 # SPDX-License-Identifier: GPL-2.0
-config ZONE_DMA
-	def_bool y
-
 config XTENSA
 	def_bool y
 	select ARCH_HAS_SYNC_DMA_FOR_CPU
diff --git a/arch/xtensa/mm/init.c b/arch/xtensa/mm/init.c
index 34aead7dcb48..b385e6b73065 100644
--- a/arch/xtensa/mm/init.c
+++ b/arch/xtensa/mm/init.c
@@ -71,7 +71,7 @@ void __init zones_init(void)
 {
 	/* All pages are DMA-able, so we put them all in the DMA zone. */
 	unsigned long zones_size[MAX_NR_ZONES] = {
-		[ZONE_DMA] = max_low_pfn - ARCH_PFN_OFFSET,
+		[ZONE_NORMAL] = max_low_pfn - ARCH_PFN_OFFSET,
 #ifdef CONFIG_HIGHMEM
 		[ZONE_HIGHMEM] = max_pfn - max_low_pfn,
 #endif
-- 
2.19.1

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ