linux-kernel - Re: [PATCH 1/2] efi/libstub: efi_info/efi

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Message-ID: <20200430204041.GA2579913@rani.riverdale.lan>
Date:   Thu, 30 Apr 2020 16:40:41 -0400
From:   Arvind Sankar <nivedita@...m.mit.edu>
To:     Ard Biesheuvel <ardb@...nel.org>
Cc:     Joe Perches <joe@...ches.com>,
        Arvind Sankar <nivedita@...m.mit.edu>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-efi <linux-efi@...r.kernel.org>, X86 ML <x86@...nel.org>
Subject: Re: [PATCH 1/2] efi/libstub: efi_info/efi_err message neatening

On Thu, Apr 30, 2020 at 09:29:46PM +0200, Ard Biesheuvel wrote:
> On Thu, 30 Apr 2020 at 21:12, Joe Perches <joe@...ches.com> wrote:
> >
> > Use a standard style for these output logging messages.
> >
> > Miscellanea:
> >
> > o Use more common macro #defines with fmt, ##__VA_ARGS__
> > 0 Remove trailing messages periods and odd ' uses
> > o Remove embedded function names and use %s, __func__
> >
> > Signed-off-by: Joe Perches <joe@...ches.com>
> > ---
> >
> > Perhaps these trivialities on top of this series?
> >
> 
> The EFI printing routines don't actually support format strings.
> 

The x86 real-mode bootup code actually has a printf.o that clocks in at
under 2k. We could add it in, and it would also be nice to move it into
lib or something, since at least alpha and powerpc implement something
very similar for boot-time messages.