linux-kernel - Re: Linux 2.6.32.30

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Date:	Wed, 2 Mar 2011 16:24:03 -0600
From:	Shawn Bohrer <shawn.bohrer@...il.com>
To:	Greg KH <gregkh@...e.de>
Cc:	Stefan Bader <stefan.bader@...onical.com>,
	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	torvalds@...ux-foundation.org, stable@...nel.org, lwn@....net
Subject: Re: Linux 2.6.32.30

On Wed, Mar 02, 2011 at 03:42:02PM -0500, Greg KH wrote:
> On Wed, Mar 02, 2011 at 05:50:16PM +0100, Stefan Bader wrote:
> > > FUJITA Tomonori (1):
> > >       swiotlb: fix wrong panic
> > >
> > 
> > This one breaks compilation of 64bit for me as swiotlb_tbl_unmap_single() does
> > not exist. It does not look like it is a simple single patch that would get it
> > back to 2.6.32.
> 
> I don't understand.  Is this patch somehow broken?  Is there an
> additional patch I need to apply to fix the build issue?  I need more
> information here.

Same problem here, not sure what the fix is.  With this patch applied
on 64-bit I get:


$ make lib/swiotlb.o
  CHK     include/linux/version.h
  CHK     include/linux/utsrelease.h
  SYMLINK include/asm -> include/asm-x86
  HOSTCC  scripts/basic/fixdep
  HOSTCC  scripts/basic/docproc
  HOSTCC  scripts/basic/hash
  CC      kernel/bounds.s
  GEN     include/linux/bounds.h
  CC      arch/x86/kernel/asm-offsets.s
  GEN     include/asm/asm-offsets.h
  CALL    scripts/checksyscalls.sh
  HOSTCC  scripts/genksyms/genksyms.o
  HOSTCC  scripts/genksyms/lex.o
  HOSTCC  scripts/genksyms/parse.o
  HOSTLD  scripts/genksyms/genksyms
  CC      scripts/mod/empty.o
  HOSTCC  scripts/mod/mk_elfconfig
  MKELF   scripts/mod/elfconfig.h
  HOSTCC  scripts/mod/file2alias.o
  HOSTCC  scripts/mod/modpost.o
  HOSTCC  scripts/mod/sumversion.o
  HOSTLD  scripts/mod/modpost
  HOSTCC  scripts/kallsyms
  HOSTCC  scripts/pnmtologo
  HOSTCC  scripts/conmakehash
  HOSTCC  scripts/bin2c
  CC      lib/swiotlb.o
lib/swiotlb.c: In function 'swiotlb_map_page':
lib/swiotlb.c:635: error: implicit declaration of function 'swiotlb_tbl_unmap_single'
make[1]: *** [lib/swiotlb.o] Error 1
make: *** [lib/swiotlb.o] Error 2

--
Shawn
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