linux-kernel - Re: linux-next: Tree for August 10 (acpi/apei)

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Date:	Wed, 11 Aug 2010 09:32:01 +0800
From:	Huang Ying <ying.huang@...el.com>
To:	Randy Dunlap <randy.dunlap@...cle.com>
Cc:	Stephen Rothwell <sfr@...b.auug.org.au>,
	"linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
	"linux-next@...r.kernel.org" <linux-next@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: linux-next: Tree for August 10 (acpi/apei)

On Wed, 2010-08-11 at 01:02 +0800, Randy Dunlap wrote:
> On Tue, 10 Aug 2010 13:56:01 +1000 Stephen Rothwell wrote:
> 
> > Hi all,
> > 
> > As the merge window is open, please do not add 2.6.37 material to your
> > linux-next included trees until after 2.6.36-rc1.
> > 
> > Changes since 20100809:
> 
> 
> on 32-bit i386:
> 
> drivers/acpi/apei/erst-dbg.c:106: warning: format '%lx' expects type 'long unsigned int', but argument 3 has type 'ssize_t'
> erst-dbg.c:(.text+0xede6d): undefined reference to `__get_user_X'
> 
> For the __get_user_X() call, in erst-dbg.c::erst_dbg_ioctl():
> 
> 	case APEI_ERST_CLEAR_RECORD:
> 		rc = get_user(record_id, (u64 __user *)arg);
> 
> -> arch/x86/include/asm/uaccess.h:
> 
> #ifdef CONFIG_X86_32
> #define __get_user_8(__ret_gu, __val_gu, ptr)				\
> 		__get_user_x(X, __ret_gu, __val_gu, ptr)
> #else
> #define __get_user_8(__ret_gu, __val_gu, ptr)				\
> 		__get_user_x(8, __ret_gu, __val_gu, ptr)
> #endif
> 
> 
> so is __get_user_8() not supported on X86_32?
> or is this something else?

Will fix that via replacing get_user with copy_from_user for u64.

Best Regards,
Huang Ying


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