linux-kernel - Re: [git pull] drm next tree

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Date:	Thu, 30 Jan 2014 13:33:32 +0100
From:	Paul Bolle <pebolle@...cali.nl>
To:	Christian König <christian.koenig@....com>,
	Alex Deucher <alexander.deucher@....com>
Cc:	Dave Airlie <airlied@...ux.ie>, torvalds@...ux-foundation.org,
	dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [git pull] drm next tree

Dave Airlie schreef op do 30-01-2014 om 02:49 [+0000]:
> Christian König (10):
>       [...]
>       drm/radeon: add GART debugfs access v3
>       [...]

That one generates a bit of (warning) noise when building on 32 bits
x86:

In file included from include/asm-generic/bug.h:13:0,
                 from [...]/linux/arch/x86/include/asm/bug.h:38,
                 from include/linux/bug.h:4,
                 from include/drm/drm_mm.h:39,
                 from include/drm/drm_vma_manager.h:26,
                 from include/drm/ttm/ttm_bo_api.h:35,
                 from drivers/gpu/drm/radeon/radeon_ttm.c:32:
drivers/gpu/drm/radeon/radeon_ttm.c: In function 'radeon_ttm_gtt_read':
include/linux/kernel.h:712:17: warning: comparison of distinct pointer types lacks a cast [enabled by default]
  (void) (&_min1 == &_min2);  \
                 ^
drivers/gpu/drm/radeon/radeon_ttm.c:938:22: note: in expansion of macro 'min'
   ssize_t cur_size = min(size, PAGE_SIZE - off);
                      ^

I suppose the last line should read
   ssize_t cur_size = min(size, (size_t) PAGE_SIZE - off);

to silence this. But I haven't tested yet.


Paul Bolle

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