From: Borislav Petkov <bp@alien8.de>
To: Brian Gerst <brgerst@gmail.com>
Cc: Uros Bizjak <ubizjak@gmail.com>,
x86@kernel.org, linux-kernel@vger.kernel.org,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>,
Dave Hansen <dave.hansen@linux.intel.com>,
"H. Peter Anvin" <hpa@zytor.com>
Subject: Re: [PATCH] x86/boot: Remove x86_32 PIC using ebx workaround
Date: Tue, 29 Nov 2022 09:32:21 +0100 [thread overview]
Message-ID: <Y4XDlWc+2OvmW7kS@zn.tnic> (raw)
In-Reply-To: <CAMzpN2jY+m5amE-6JB_eYswG2tx1aT6U3EBdYEtc-KdXSHec0A@mail.gmail.com>
On Mon, Nov 28, 2022 at 10:41:11PM -0500, Brian Gerst wrote:
> x86-64 uses a PIC register for the medium and large PIC code models,
> where offsets can be larger than +/- 2GB.
Right but 64-bit is built with -mcmodel=kernel which obviously generates
rip-relative.
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette
next prev parent reply other threads:[~2022-11-29 8:33 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-04 12:45 Uros Bizjak
2022-11-28 22:20 ` Borislav Petkov
2022-11-29 3:41 ` Brian Gerst
2022-11-29 8:32 ` Borislav Petkov [this message]
2022-11-29 13:24 ` Brian Gerst
2022-11-29 13:26 ` Uros Bizjak
2022-11-29 7:39 ` Uros Bizjak
2022-11-29 8:31 ` Borislav Petkov
2022-11-29 8:50 ` Uros Bizjak
2022-11-29 14:46 ` Borislav Petkov
2022-11-29 14:56 ` Uros Bizjak
2022-11-29 15:27 ` Borislav Petkov
2022-11-29 19:44 ` [tip: x86/boot] x86/boot: Remove x86_32 PIC using %ebx workaround tip-bot2 for Uros Bizjak
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=Y4XDlWc+2OvmW7kS@zn.tnic \
--to=bp@alien8.de \
--cc=brgerst@gmail.com \
--cc=dave.hansen@linux.intel.com \
--cc=hpa@zytor.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@redhat.com \
--cc=tglx@linutronix.de \
--cc=ubizjak@gmail.com \
--cc=x86@kernel.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
all inboxes | Powered by JetHome®