On Mon, May 09, 2016 at 04:04:31PM +0300, Joonas Lahtinen wrote:
> On pe, 2016-05-06 at 13:57 +0300, Ville Syrjälä wrote:
> > On Thu, May 05, 2016 at 05:15:17PM +0100, Chris Wilson wrote:
> > > 
> > > arch/x86/kernel/early-quirks.c: In function ‘intel_graphics_stolen’:
> > > arch/x86/kernel/early-quirks.c:539:9: warning: format ‘%llx’ expects
> > > argument of type ‘long long unsigned int’, but argument 2 has type 
> > > ‘phys_addr_t’ [-Wformat=]
> > >          "0x%llx-0x%llx\n", base, base + size - 1);
> > >          ^
> > > arch/x86/kernel/early-quirks.c:539:9: warning: format ‘%llx’ expects
> > > argument of type ‘long long unsigned int’, but argument 3 has type 
> > > ‘phys_addr_t’ [-Wformat=]
> > This also makes the actual printk output crap. On my non-PAE machine
> > I saw somehting resembling this:
> > Reserving Intel graphics memory at 0x37ffffff3ffffffff-0x200000000
> > 
> > Reviewed-by: Ville Syrjälä <[email protected]>
> > 
> > > 
> > > 
> > > Fixes: ee0629cfd3c16 (drm/i915: Function per early graphics quirk)
> > > Signed-off-by: Chris Wilson <[email protected]>
> > > Cc: Daniel Vetter <[email protected]>
> > > Cc: Mika Kuoppala <[email protected]>
> > > Cc: Ville Syrjälä <[email protected]>
> > > Cc: Tvrtko Ursulin <[email protected]>
> > > Cc: Joonas Lahtinen <[email protected]>
> > > Cc: Thomas Gleixner <[email protected]>
> > > Cc: Ingo Molnar <[email protected]>
> > > Cc: "H. Peter Anvin" <[email protected]>
> > > ---
> > >  arch/x86/kernel/early-quirks.c | 4 ++--
> > >  1 file changed, 2 insertions(+), 2 deletions(-)
> > > 
> > > diff --git a/arch/x86/kernel/early-quirks.c 
> > > b/arch/x86/kernel/early-quirks.c
> > > index d2f75b4..068ab3f 100644
> > > --- a/arch/x86/kernel/early-quirks.c
> > > +++ b/arch/x86/kernel/early-quirks.c
> > > @@ -535,8 +535,8 @@ intel_graphics_stolen(int num, int slot, int func,
> > >   if (!size || !base)
> > >           return;
> > >  
> > > - printk(KERN_INFO "Reserving Intel graphics stolen memory at "
> > > -        "0x%llx-0x%llx\n", base, base + size - 1);
> > > + printk(KERN_INFO "Reserving Intel graphics memory at 0x%llx-0x%llx\n",
> > > +        (long long)base, (long long)(base + size - 1));
> 
> Any reason not to make this %pa and %zx while at it?
> 
>       printk(KERN_INFO "Reserving Intel graphics memory at %pa (size 
> 0x%zx)\n", &base, size);

The start-end style matches better with the e820 dump and whatnot.
IIRC that was the reason I made it look like it does.

> 
> Regards, Joonas
> 
> > >  
> > >   /* Mark this space as reserved */
> > >   e820_add_region(base, size, E820_RESERVED);
> > > -- 
> > > 2.8.1
> -- 
> Joonas Lahtinen
> Open Source Technology Center
> Intel Corporation

-- 
Ville Syrjälä
Intel OTC
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