All of lore.kernel.org
 help / color / mirror / Atom feed
From: Gustavo Romero <gromero@linux.vnet.ibm.com>
To: Cyril Bur <cyrilbur@gmail.com>
Cc: linuxppc-dev@lists.ozlabs.org, mikey@neuling.org
Subject: Re: [PATCH 3/3] powerpc/tm: P9 disable transactionally suspended sigcontexts
Date: Fri, 6 Oct 2017 08:16:02 -0300	[thread overview]
Message-ID: <59D765F2.3090601@linux.vnet.ibm.com> (raw)
In-Reply-To: <20171006074643.25269-3-cyrilbur@gmail.com>

Hi Cyril,

On 06-10-2017 04:46, Cyril Bur wrote:
> From: Michael Neuling <mikey@neuling.org>
> 
> Unfortunately userspace can construct a sigcontext which enables
> suspend. Thus userspace can force Linux into a path where trechkpt is
> executed.
> 
> This patch blocks this from happening on POWER9 but sanity checking
> sigcontexts passed in.

I think "but" should say "by" as pointed out by Joel and acked by Mikey
previously.

Regards,
Gustavo

      parent reply	other threads:[~2017-10-06 11:16 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-10-06  7:46 [PATCH 1/3] powerpc/tm: Add commandline option to disable hardware transactional memory Cyril Bur
2017-10-06  7:46 ` [PATCH 2/3] powerpc/tm: P9 disabled suspend mode workaround Cyril Bur
2017-10-06  8:10   ` Benjamin Herrenschmidt
2017-10-06 10:29     ` Michael Ellerman
2017-10-06 11:22   ` Gustavo Romero
2017-10-06  7:46 ` [PATCH 3/3] powerpc/tm: P9 disable transactionally suspended sigcontexts Cyril Bur
2017-10-06  8:11   ` Benjamin Herrenschmidt
2017-10-06 11:16   ` Gustavo Romero [this message]

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=59D765F2.3090601@linux.vnet.ibm.com \
    --to=gromero@linux.vnet.ibm.com \
    --cc=cyrilbur@gmail.com \
    --cc=linuxppc-dev@lists.ozlabs.org \
    --cc=mikey@neuling.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.