From: Arvind Sankar <nivedita@alum.mit.edu>
To: Ard Biesheuvel <ardb@kernel.org>
Cc: Arvind Sankar <nivedita@alum.mit.edu>,
Brian Gerst <brgerst@gmail.com>,
Heinrich Schuchardt <xypron.glpk@gmx.de>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
the arch/x86 maintainers <x86@kernel.org>,
"H . Peter Anvin" <hpa@zytor.com>,
linux-efi <linux-efi@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 1/1] efi/libstub/x86: simplify efi_is_native()
Date: Sun, 4 Oct 2020 10:40:48 -0400 [thread overview]
Message-ID: <20201004144048.GA1526180@rani.riverdale.lan> (raw)
In-Reply-To: <CAMj1kXHW-WSYM+dDJObsG6EL4WXHqmqpRfwLqG3hs4NO2wC=-w@mail.gmail.com>
On Sun, Oct 04, 2020 at 04:14:11PM +0200, Ard Biesheuvel wrote:
> On Sat, 3 Oct 2020 at 21:44, Arvind Sankar <nivedita@alum.mit.edu> wrote:
> >
> > On Sat, Oct 03, 2020 at 01:28:18PM -0400, Brian Gerst wrote:
> > > On Sat, Oct 3, 2020 at 2:05 AM Heinrich Schuchardt <xypron.glpk@gmx.de> wrote:
> > > >
> > > > CONFIG_EFI_MIXED depends on CONFIG_X86_64=y.
> > > > There is no need to check CONFIG_X86_64 again.
> > > >
> > > > Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
> > > > ---
> > > > arch/x86/include/asm/efi.h | 2 --
> > > > 1 file changed, 2 deletions(-)
> > > >
> > > > diff --git a/arch/x86/include/asm/efi.h b/arch/x86/include/asm/efi.h
> > > > index b9c2667ac46c..ab28bf1c74cf 100644
> > > > --- a/arch/x86/include/asm/efi.h
> > > > +++ b/arch/x86/include/asm/efi.h
> > > > @@ -223,8 +223,6 @@ static inline bool efi_is_64bit(void)
> > > >
> > > > static inline bool efi_is_native(void)
> > > > {
> > > > - if (!IS_ENABLED(CONFIG_X86_64))
> > > > - return true;
> > > > return efi_is_64bit();
> > > > }
> > >
> > > This would then return false for native 32-bit.
> > >
> > > --
> > > Brian Gerst
> >
> > 32-bit doesn't use this implementation: it's #define'd to true in
> > drivers/firmware/efi/libstub/efistub.h.
> >
>
> Yes, and the reason this [now redundant] test exists is because this
> did not use to be the case before
>
> de8c55208c386 efi/libstub: Fix mixed mode boot issue after macro refactor
Heh, my fault for not cleaning it up then :)
>
> So for this patch
>
> Acked-by: Ard Biesheuvel <ardb@kernel.org>
>
> I'll queue this up
next prev parent reply other threads:[~2020-10-04 14:40 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-03 6:03 [PATCH 1/1] efi/libstub/x86: simplify efi_is_native() Heinrich Schuchardt
2020-10-03 17:28 ` Brian Gerst
2020-10-03 19:44 ` Arvind Sankar
2020-10-04 14:14 ` Ard Biesheuvel
2020-10-04 14:40 ` Arvind Sankar [this message]
2020-11-17 18:03 ` [tip: efi/core] " tip-bot2 for Heinrich Schuchardt
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