linux-efi.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Matt Fleming <matt-mF/unelCI9GS6iBeEJttW/XRex20P6io@public.gmane.org>
To: Ingo Molnar <mingo-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Cc: Thomas Gleixner <tglx-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org>,
	"H . Peter Anvin" <hpa-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>,
	Wang YanQing <udknight-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	Ard Biesheuvel
	<ard.biesheuvel-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-efi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	David Herrmann
	<dh.herrmann-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	Peter Jones <pjones-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
	stable-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	Tomi Valkeinen <tomi.valkeinen-l0cyMroinI0@public.gmane.org>
Subject: Re: [PATCH 2/3] x86/sysfb_efi: Fix valid BAR address range check
Date: Wed, 4 May 2016 11:29:05 +0100	[thread overview]
Message-ID: <20160504102905.GF2839@codeblueprint.co.uk> (raw)
In-Reply-To: <20160504102340.GA4470-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>

On Wed, 04 May, at 12:23:40PM, Ingo Molnar wrote:
> 
> * Matt Fleming <matt-mF/unelCI9GS6iBeEJttW/XRex20P6io@public.gmane.org> wrote:
> 
> > On Wed, 04 May, at 08:35:24AM, Ingo Molnar wrote:
> > > 
> > > * Matt Fleming <matt-mF/unelCI9GS6iBeEJttW/XRex20P6io@public.gmane.org> wrote:
> > > 
> > > > From: Wang YanQing <udknight-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
> > > > 
> > > > We can't just break out when meet start is equal to zero,
> > > 
> > > Hm, wot?
> > 
> > The existing code treats address 0x0 as invalid for a PCI BAR range
> > start address, but 0x0 is actually possible and legitimate, so we
> > shouldn't be breaking out of the loop.
> 
> Yeah, so I just don't understand the 'when meet start is equal to zero' part - 
> what does it mean?

I suspect it means "when start is equal to zero" or "when we encounter
the scenario where start is equal to zero".

Wang?

  parent reply	other threads:[~2016-05-04 10:29 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-05-03 19:29 [GIT PULL 0/3] EFI urgent fixes Matt Fleming
     [not found] ` <1462303781-8686-1-git-send-email-matt-mF/unelCI9GS6iBeEJttW/XRex20P6io@public.gmane.org>
2016-05-03 19:29   ` [PATCH 1/3] MAINTAINERS: Remove asterisk from EFI directory names Matt Fleming
2016-05-03 19:29 ` [PATCH 2/3] x86/sysfb_efi: Fix valid BAR address range check Matt Fleming
2016-05-04  6:35   ` Ingo Molnar
2016-05-04  9:25     ` Matt Fleming
2016-05-04 10:23       ` Ingo Molnar
     [not found]         ` <20160504102340.GA4470-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2016-05-04 10:29           ` Matt Fleming [this message]
     [not found]     ` <20160504063524.GB12846-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2016-05-04 15:43       ` Wang YanQing
2016-05-03 19:29 ` [PATCH 3/3] x86/efi-bgrt: Switch all pr_err() to pr_notice() for invalid BGRT Matt Fleming

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20160504102905.GF2839@codeblueprint.co.uk \
    --to=matt-mf/unelci9gs6ibeejttw/xrex20p6io@public.gmane.org \
    --cc=ard.biesheuvel-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org \
    --cc=dh.herrmann-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org \
    --cc=hpa-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org \
    --cc=linux-efi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
    --cc=linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
    --cc=mingo-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org \
    --cc=pjones-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org \
    --cc=stable-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
    --cc=tglx-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org \
    --cc=tomi.valkeinen-l0cyMroinI0@public.gmane.org \
    --cc=udknight-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).