Re: [PATCH v5 05/12] x86/mm: add INVLPGB support code

[Rik van Riel]

On Fri, 2025-01-17 at 09:20 -0500, Rik van Riel wrote:
> On Fri, 2025-01-17 at 11:37 +0800, kernel test robot wrote:
> > 
> > compiler: clang version 19.1.3
> > (
> > https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b25
> > 4b6afab99)
> > reproduce (this is a W=1 build):
> > (
> > https://download.01.org/0day-ci/archive/20250117/202501171121.nQcwVI
> > 41-lkp@xxxxxxxxx/reproduce)
> > 
> 
> > > > arch/x86/include/asm/invlpgb.h:26:49: error: invalid input size
> > > > for constraint 'a'
> >       26 |         asm volatile(".byte 0x0f, 0x01, 0xfe" : : "a"
> > (rax), "c" (ecx), "d" (edx));
> >          |                                                        ^
> > 
> 
> What do I do about this?

Ohhh, never mind.

The failing build is a 32 bit build!

I just need to use unsigned long instead of u64 in the
next version.

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