linux-kernel - [patch] missing dependency for virtio

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Message-ID: <20111121035831.GF2203@ZenIV.linux.org.uk>
Date:	Mon, 21 Nov 2011 03:58:31 +0000
From:	Al Viro <viro@...IV.linux.org.uk>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Rusty Russell <rusty@...tcorp.com.au>, linux-kernel@...r.kernel.org
Subject: [patch] missing dependency for virtio_mmio

Driver really depends on having readb/writeb/etc. - won't even build on
things like s390 or uml and on tile without PCI it'll build but panic
if you manage to run it...

Signed-off-by: Al Viro <viro@...iv.linux.org.uk>
---
diff --git a/drivers/virtio/Kconfig b/drivers/virtio/Kconfig
index 816ed08..4ae52fc 100644
--- a/drivers/virtio/Kconfig
+++ b/drivers/virtio/Kconfig
@@ -37,7 +37,7 @@ config VIRTIO_BALLOON
 
  config VIRTIO_MMIO
  	tristate "Platform bus driver for memory mapped virtio devices (EXPERIMENTAL)"
- 	depends on EXPERIMENTAL
+ 	depends on EXPERIMENTAL && HAS_IOMEM
  	select VIRTIO
  	select VIRTIO_RING
  	---help---
--
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