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Re: [tip regression] efi: Allow drivers to reserve boot services forever == toxic

From Mark Rutland <mark.rutland@arm.com>
Newsgroups linux.kernel
Subject Re: [tip regression] efi: Allow drivers to reserve boot services forever == toxic
Date 2016-09-19 11:00 +0200
Message-ID <sj2AF-3cw-19@gated-at.bofh.it> (permalink)
References (1 earlier) <shXMJ-2PA-9@gated-at.bofh.it> <shYfN-3fW-51@gated-at.bofh.it> <si2t3-5We-7@gated-at.bofh.it> <si2CK-608-13@gated-at.bofh.it> <si63E-8pm-15@gated-at.bofh.it>
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On Fri, Sep 16, 2016 at 08:26:16PM +0200, Mike Galbraith wrote:
> On Fri, 2016-09-16 at 15:45 +0100, Mark Rutland wrote:
> 
> > > diff --git a/arch/x86/platform/efi/quirks.c
> > > b/arch/x86/platform/efi/quirks.c
> > > index f14b7a9da24b..e881b4b2ffd6 100644
> > > --- a/arch/x86/platform/efi/quirks.c
> > > +++ b/arch/x86/platform/efi/quirks.c
> > > @@ -201,8 +201,10 @@ void __init efi_arch_mem_reserve(phys_addr_t
> > > addr, u64 size)
> > >  		return;
> > >  	}
> > >  
> > > +	size = round_up(size, EFI_PAGE_SIZE);
> > 
> > i.e. have:
> > 
> > 	size += addr % EFI_PAGE_SIZE;
> > 	size = round_up(size, EFI_PAGE_SIZE);
> > 	addr = round_down(base, EFI_PAGE_SIZE);
>                           ^^^^
> 
> s/base/addr did work, was that what you meant to write, or am I lucky? 

That was what I meant to write, though the two statements aren't
necessarily mutually exclusive. ;)

I'll have to leave it to you and Matt to figure out what the real
solution is -- I'm not familiar with this code and was just
pattern-matching.

Thanks,
Mark.

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Thread

[tip regression]  efi: Allow drivers to reserve boot services  forever == toxic Mike Galbraith <umgwanakikbuti@gmail.com> - 2016-09-16 08:10 +0200
  Re: [tip regression]  efi: Allow drivers to reserve boot services  forever == toxic Matt Fleming <matt@codeblueprint.co.uk> - 2016-09-16 11:40 +0200
    Re: [tip regression]  efi: Allow drivers to reserve boot services  forever == toxic Matt Fleming <matt@codeblueprint.co.uk> - 2016-09-16 16:40 +0200
      Re: [tip regression]  efi: Allow drivers to reserve boot services  forever == toxic Mark Rutland <mark.rutland@arm.com> - 2016-09-16 16:50 +0200
        Re: [tip regression]  efi: Allow drivers to reserve boot services  forever == toxic Mike Galbraith <umgwanakikbuti@gmail.com> - 2016-09-16 20:30 +0200
          Re: [tip regression]  efi: Allow drivers to reserve boot services  forever == toxic Mark Rutland <mark.rutland@arm.com> - 2016-09-19 11:00 +0200
      Re: [tip regression]  efi: Allow drivers to reserve boot services  forever == toxic Mike Galbraith <umgwanakikbuti@gmail.com> - 2016-09-16 18:40 +0200
        Re: [tip regression]  efi: Allow drivers to reserve boot services  forever == toxic Matt Fleming <matt@codeblueprint.co.uk> - 2016-09-17 22:00 +0200
          Re: [tip regression]  efi: Allow drivers to reserve boot services  forever == toxic Mike Galbraith <umgwanakikbuti@gmail.com> - 2016-09-18 08:10 +0200
            Re: [tip regression]  efi: Allow drivers to reserve boot services  forever == toxic Matt Fleming <matt@codeblueprint.co.uk> - 2016-09-19 13:20 +0200

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