linux-kernel - Re: linux-next: build failure after merge of the final tree (kvm tree related)

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Date:	Mon, 28 Feb 2011 10:28:44 +0800
From:	Huang Ying <ying.huang@...el.com>
To:	Avi Kivity <avi@...ranet.com>,
	Marcelo Tosatti <mtosatti@...hat.com>
Cc:	Stephen Rothwell <sfr@...b.auug.org.au>,
	"linux-next@...r.kernel.org" <linux-next@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	David Miller <davem@...emloft.net>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: linux-next: build failure after merge of the final tree (kvm
 tree related)

Hi, Avi and Marcelo,

On Mon, 2011-02-28 at 10:15 +0800, Stephen Rothwell wrote:
> Hi All,
> 
> On Mon, 21 Feb 2011 17:56:58 +1100 Stephen Rothwell <sfr@...b.auug.org.au> wrote:
> >
> > After merging the final tree, today's linux-next build (sparc64 defconfig)
> > failed like this:
> > 
> > mm/memory.c: In function '__get_user_pages':
> > mm/memory.c:1584: error: 'EHWPOISON' undeclared (first use in this function)
> > 
> > Caused by commit b1c4f2836370f5c8207d4c61e91c93bd6a4ce27a ("mm: make
> > __get_user_pages return -EHWPOISON for HWPOISON page optionally") from
> > the kvm tree.
> > 
> > Not all architectures use include/asm-generic/errno.h ...
> > 
> > I have reverted that commit (and commits
> > d47b742c5661385b927c03188549b2d2004b80f4 "KVM: Replace
> > is_hwpoison_address with __get_user_pages" and
> > eef8839430b72deac59e9ec51eb56c44512fcc66 "mm: remove is_hwpoison_address"
> > which depend on it) for today.
> 
> I am still doing those reverts ...

Can you merge the fixes following the email into my original EHWPOISON
patch to check if that fixes linux-next issue?

Or you prefer I resend the patchset?

Best Regards,
Huang Ying

---
 arch/alpha/include/asm/errno.h  |    2 ++
 arch/mips/include/asm/errno.h   |    2 ++
 arch/parisc/include/asm/errno.h |    2 ++
 arch/sparc/include/asm/errno.h  |    2 ++
 4 files changed, 8 insertions(+)

--- a/arch/parisc/include/asm/errno.h
+++ b/arch/parisc/include/asm/errno.h
@@ -122,4 +122,6 @@
 
 #define	ERFKILL		256	/* Operation not possible due to RF-kill */
 
+#define EHWPOISON	257	/* Memory page has hardware error */
+
 #endif
--- a/arch/sparc/include/asm/errno.h
+++ b/arch/sparc/include/asm/errno.h
@@ -112,4 +112,6 @@
 
 #define	ERFKILL		134	/* Operation not possible due to RF-kill */
 
+#define EHWPOISON	135	/* Memory page has hardware error */
+
 #endif
--- a/arch/alpha/include/asm/errno.h
+++ b/arch/alpha/include/asm/errno.h
@@ -122,4 +122,6 @@
 
 #define	ERFKILL		138	/* Operation not possible due to RF-kill */
 
+#define EHWPOISON	139	/* Memory page has hardware error */
+
 #endif
--- a/arch/mips/include/asm/errno.h
+++ b/arch/mips/include/asm/errno.h
@@ -121,6 +121,8 @@
 
 #define	ERFKILL		167	/* Operation not possible due to RF-kill */
 
+#define EHWPOISON	168	/* Memory page has hardware error */
+
 #define EDQUOT		1133	/* Quota exceeded */
 
 #ifdef __KERNEL__


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