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SubjectRe: Build regressions/improvements in v5.9-rc8
On Wed, Oct 07, 2020 at 02:45:30PM +0200, Paul Bolle wrote:
> Richard Weinberger schreef op wo 07-10-2020 om 14:08 [+0200]:
> > UML has no ia32 emulation and therefore no in_ia32_syscall().
> > Maybe you can check for CONFIG_IA32_EMULATION too?
>
> The pending fix is:
> #if defined(CONFIG_X86_64) && !defined(CONFIG_UML)
>
> Since this check guards in_ia32_syscall() just checking CONFIG_IA32_EMULATION
> should do too.
>
> (Way outside my limited expertise, but anyway: is does look odd to see a call
> to in_ia32_syscall() in drivers/. All other calls are in arch/x86/. Isn't this
> a bit too x86 specific for an arch independent driver?)

According to Arnd who suggested that fix the problem is basically appears on
x86. He also mentioned the new approach that Christoph Hellwig is working on.
But we decided to go the ifdeffery for better backporting.

--
With Best Regards,
Andy Shevchenko


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