From: Andrey Ryabinin <a.ryabinin@samsung.com>
To: Alexander Popov <alpopov@ptsecurity.com>
Cc: Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
Andrey Konovalov <adech.fo@gmail.com>,
Denys Vlasenko <dvlasenk@redhat.com>,
Andy Lutomirski <luto@amacapital.net>,
Alexander Kuleshov <kuleshovmail@gmail.com>,
Sergey Kovalev <SKovalev@ptsecurity.com>,
x86@kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/1] x86_64: fix KASan shadow region page tables
Date: Mon, 25 May 2015 11:12:57 +0300 [thread overview]
Message-ID: <5562D989.3030206@samsung.com> (raw)
In-Reply-To: <1432310581-11965-1-git-send-email-alpopov@ptsecurity.com>
On 05/22/2015 07:03 PM, Alexander Popov wrote:
> Physical addresses in KASan shadow region page tables need fixup:
> kernel halts without it if phys_base is not zero.
>
Indeed.
Since we have to patch page tables anyway, compile-time created kasan
page tables become pointless.
So, I'd suggest to create them in runtime. This could be done in plain C
in kasan_map_early_shadow().
next prev parent reply other threads:[~2015-05-25 8:13 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-22 16:03 [PATCH 1/1] x86_64: fix KASan shadow region page tables Alexander Popov
2015-05-25 8:12 ` Andrey Ryabinin [this message]
2015-05-25 13:43 ` Alexander Popov
2015-05-26 8:52 ` Andrey Ryabinin
2015-05-28 8:56 ` Alexander Popov
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=5562D989.3030206@samsung.com \
--to=a.ryabinin@samsung.com \
--cc=SKovalev@ptsecurity.com \
--cc=adech.fo@gmail.com \
--cc=alpopov@ptsecurity.com \
--cc=dvlasenk@redhat.com \
--cc=hpa@zytor.com \
--cc=kuleshovmail@gmail.com \
--cc=linux-kernel@vger.kernel.org \
--cc=luto@amacapital.net \
--cc=mingo@redhat.com \
--cc=tglx@linutronix.de \
--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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.