linux-kernel - [PATCH] misc: Kconfig: exclude mrvl-cn10k-dpi compilation for 32-bit systems

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]

Message-ID: <20240717163739.181236-1-vattunuru@marvell.com>
Date: Wed, 17 Jul 2024 09:37:39 -0700
From: Vamsi Attunuru <vattunuru@...vell.com>
To: <arnd@...db.de>, <gregkh@...uxfoundation.org>
CC: <linux-kernel@...r.kernel.org>, <nathan@...nel.org>,
        <quic_jjohnson@...cinc.com>, <vattunuru@...vell.com>
Subject: [PATCH] misc: Kconfig: exclude mrvl-cn10k-dpi compilation for 32-bit systems

Upon adding CONFIG_ARCH_THUNDER & CONFIG_COMPILE_TEST dependency,
compilation errors arise on 32-bit ARM with writeq() & readq() calls
which are used for accessing 64-bit values.

Since DPI hardware only works with 64-bit register accesses, using
CONFIG_64BIT dependency to skip compilation on 32-bit systems.

Fixes: a5e43e2d202d ("misc: Kconfig: add a new dependency for MARVELL_CN10K_DPI")
Signed-off-by: Vamsi Attunuru <vattunuru@...vell.com>
Tested-by: Nathan Chancellor <nathan@...nel.org>
Tested-by: Jeff Johnson <quic_jjohnson@...cinc.com>
---
 drivers/misc/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index f3bb75384627..41c3d2821a78 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -588,7 +588,7 @@ config NSM
 config MARVELL_CN10K_DPI
 	tristate "Octeon CN10K DPI driver"
 	depends on PCI
-	depends on ARCH_THUNDER || COMPILE_TEST
+	depends on ARCH_THUNDER || (COMPILE_TEST && 64BIT)
 	help
 	  Enables Octeon CN10K DMA packet interface (DPI) driver which
 	  intializes DPI hardware's physical function (PF) device's
-- 
2.25.1