All of lore.kernel.org
 help / color / mirror / Atom feed
From: Ingo Molnar <mingo@kernel.org>
To: Pavel Tatashin <pasha.tatashin@oracle.com>
Cc: steven.sistare@oracle.com, linux-kernel@vger.kernel.org,
	tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com,
	x86@kernel.org, gregkh@linuxfoundation.org, jkosina@suse.cz,
	hughd@google.com, dave.hansen@linux.intel.com, luto@kernel.org,
	torvalds@linux-foundation.org
Subject: Re: [PATCH 4.9] x86/pti/efi: broken conversion from efi to kernel page table
Date: Fri, 12 Jan 2018 14:58:47 +0100	[thread overview]
Message-ID: <20180112135847.iecmcq4r2modzw4n@gmail.com> (raw)
In-Reply-To: <20180111215820.29736-1-pasha.tatashin@oracle.com>


* Pavel Tatashin <pasha.tatashin@oracle.com> wrote:

> The page table order must be increased for EFI table in order to avoid a
> bug where NMI tries to change the page table to kernel page table, while
> efi page table is active.
> 
> For more disccussion about this bug, see this thread:
> http://lkml.iu.edu/hypermail/linux/kernel/1801.1/00951.html
> 
> Signed-off-by: Pavel Tatashin <pasha.tatashin@oracle.com>
> Reviewed-by: Steven Sistare <steven.sistare@oracle.com>
> ---
>  arch/x86/include/asm/pgalloc.h | 11 +++++++++++
>  arch/x86/platform/efi/efi_64.c |  2 +-
>  2 files changed, 12 insertions(+), 1 deletion(-)

Is there a Git tree/branch I could follow to see the very latest v4.9 PTI backport 
commits?

Thanks,

	Ingo

  reply	other threads:[~2018-01-12 13:58 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-01-11 21:58 [PATCH 4.9] x86/pti/efi: broken conversion from efi to kernel page table Pavel Tatashin
2018-01-12 13:58 ` Ingo Molnar [this message]
2018-01-12 14:09   ` Pavel Tatashin
2018-01-12 14:27 ` Jiri Kosina
2018-01-13 13:16   ` Greg KH
2018-01-13 13:17 ` Patch "x86/pti/efi: broken conversion from efi to kernel page table" has been added to the 4.9-stable tree gregkh
2018-01-13 13:18 ` [PATCH 4.9] x86/pti/efi: broken conversion from efi to kernel page table Greg KH
2018-01-13 17:12 ` Greg KH
2018-01-13 17:40   ` Pavel Tatashin
2018-01-13 18:14     ` Greg KH

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=20180112135847.iecmcq4r2modzw4n@gmail.com \
    --to=mingo@kernel.org \
    --cc=dave.hansen@linux.intel.com \
    --cc=gregkh@linuxfoundation.org \
    --cc=hpa@zytor.com \
    --cc=hughd@google.com \
    --cc=jkosina@suse.cz \
    --cc=linux-kernel@vger.kernel.org \
    --cc=luto@kernel.org \
    --cc=mingo@redhat.com \
    --cc=pasha.tatashin@oracle.com \
    --cc=steven.sistare@oracle.com \
    --cc=tglx@linutronix.de \
    --cc=torvalds@linux-foundation.org \
    --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.