Messages in this thread | | | Date | Sun, 02 Aug 2009 20:12:18 +0200 | From | Thomas Hellström <> | Subject | Re: [PATCH] ttm: Fix a potential comparison of structs. |
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Pekka Paalanen skrev: > From 5e2851952729b287a82efa002b28a2095404d44d Mon Sep 17 00:00:00 2001 > From: Thomas Hellstrom <thellstrom@vmware.com> > Date: Fri, 31 Jul 2009 10:47:51 +0200 > Subject: [PATCH] ttm: Fix a potential comparison of structs. > > On some architectures the comparison may cause a compilation failure. > > Original partial fix Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> > > Signed-off-by: Pekka Paalanen <pq@iki.fi> > --- > > Thomas, you forgot two more of these :-) > Here's a patch that actually compiles on x86_64. >
Pekka, Thanks for fixing this! (Just for clarity, i assume you mean that the non-x86 part now compiles on x86?)
Dave, is there a chance to have this in 2.6.31? Compilation errors are bad, although probably nobody has been hitting this yet..
/Thomas
> drivers/gpu/drm/ttm/ttm_bo_util.c | 8 ++++---- > 1 files changed, 4 insertions(+), 4 deletions(-) > > diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c b/drivers/gpu/drm/ttm/ttm_bo_util.c > index f4e2eba..999fbe7 100644 > --- a/drivers/gpu/drm/ttm/ttm_bo_util.c > +++ b/drivers/gpu/drm/ttm/ttm_bo_util.c > @@ -151,7 +151,7 @@ static int ttm_copy_io_ttm_page(struct ttm_tt *ttm, void *src, > #ifdef CONFIG_X86 > dst = kmap_atomic_prot(d, KM_USER0, prot); > #else > - if (prot != PAGE_KERNEL) > + if (pgprot_val(prot) != pgprot_val(PAGE_KERNEL)) > dst = vmap(&d, 1, 0, prot); > else > dst = kmap(d); > @@ -164,7 +164,7 @@ static int ttm_copy_io_ttm_page(struct ttm_tt *ttm, void *src, > #ifdef CONFIG_X86 > kunmap_atomic(dst, KM_USER0); > #else > - if (prot != PAGE_KERNEL) > + if (pgprot_val(prot) != pgprot_val(PAGE_KERNEL)) > vunmap(dst); > else > kunmap(d); > @@ -187,7 +187,7 @@ static int ttm_copy_ttm_io_page(struct ttm_tt *ttm, void *dst, > #ifdef CONFIG_X86 > src = kmap_atomic_prot(s, KM_USER0, prot); > #else > - if (prot != PAGE_KERNEL) > + if (pgprot_val(prot) != pgprot_val(PAGE_KERNEL)) > src = vmap(&s, 1, 0, prot); > else > src = kmap(s); > @@ -200,7 +200,7 @@ static int ttm_copy_ttm_io_page(struct ttm_tt *ttm, void *dst, > #ifdef CONFIG_X86 > kunmap_atomic(src, KM_USER0); > #else > - if (prot != PAGE_KERNEL) > + if (pgprot_val(prot) != pgprot_val(PAGE_KERNEL)) > vunmap(src); > else > kunmap(s); >
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