linux-kernel - Re: linux-next: Tree for August 7 (SGI UV)

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Date:	Thu, 7 Aug 2008 15:07:50 -0700
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	Stephen Rothwell <sfr@...b.auug.org.au>,
	Cliff Wickman <cpw@....com>
Cc:	linux-next@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>
Subject: Re: linux-next: Tree for August 7 (SGI UV)

(This may happen in mainline, but I haven't checked there.)

sparse complains about bitfields not being marked as signed or unsigned
and about one-bit bitfields being (default) signed (sign bit only!):

  CHECK   /local/linsrc/linux-next-20080807/arch/x86/kernel/tlb_64.c
include2/asm/uv/uv_bau.h:141:22: warning: dubious bitfield without explicit `signed' or `unsigned'
include2/asm/uv/uv_bau.h:143:25: warning: dubious bitfield without explicit `signed' or `unsigned'
include2/asm/uv/uv_bau.h:145:15: warning: dubious bitfield without explicit `signed' or `unsigned'
include2/asm/uv/uv_bau.h:148:14: warning: dubious bitfield without explicit `signed' or `unsigned'
include2/asm/uv/uv_bau.h:151:14: warning: dubious bitfield without explicit `signed' or `unsigned'
include2/asm/uv/uv_bau.h:154:18: warning: dubious bitfield without explicit `signed' or `unsigned'
include2/asm/uv/uv_bau.h:156:18: warning: dubious bitfield without explicit `signed' or `unsigned'
include2/asm/uv/uv_bau.h:160:14: error: dubious one-bit signed bitfield
include2/asm/uv/uv_bau.h:164:18: error: dubious one-bit signed bitfield
include2/asm/uv/uv_bau.h:178:19: error: dubious one-bit signed bitfield
include2/asm/uv/uv_bau.h:186:16: error: dubious one-bit signed bitfield
include2/asm/uv/uv_bau.h:190:18: error: dubious one-bit signed bitfield
include2/asm/uv/uv_bau.h:193:16: error: dubious one-bit signed bitfield
  CC      arch/x86/kernel/tlb_64.o


Can those struct bitfields be marked as signed or unsigned, please?

Thanks.

---
~Randy
Linux Plumbers Conference, 17-19 September 2008, Portland, Oregon USA
http://linuxplumbersconf.org/
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