linuxppc-dev.lists.ozlabs.org archive mirror
 help / color / mirror / Atom feed
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Paul Mackerras <paulus@samba.org>
Cc: Mahesh J Salgaonkar <mahesh@linux.vnet.ibm.com>,
	Jeremy Kerr <jeremy.kerr@au1.ibm.com>,
	Anton Blanchard <anton@samba.org>,
	linuxppc-dev <linuxppc-dev@ozlabs.org>
Subject: Re: [RFC PATCH v3 04/12] Validate r1 value before going to host kernel in virtual mode.
Date: Mon, 09 Sep 2013 19:26:35 +1000	[thread overview]
Message-ID: <1378718795.11525.0.camel@pasglop> (raw)
In-Reply-To: <20130909052930.GD6248@drongo>

On Mon, 2013-09-09 at 15:29 +1000, Paul Mackerras wrote:
> Are we guaranteed that Sapphire will keep the stack pointer positive
> at all times?  (More a question for Ben H than you.)

Good point, we *might* eventually set the top bit..

Ben.

  reply	other threads:[~2013-09-09  9:26 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-08-26 19:31 [RFC PATCH v3 00/12] Machine check handling in linux host Mahesh J Salgaonkar
2013-08-26 19:31 ` [RFC PATCH v3 01/12] powerpc/book3s: Split the common exception prolog logic into two section Mahesh J Salgaonkar
2013-09-09  4:29   ` Paul Mackerras
2013-08-26 19:31 ` [RFC PATCH v3 02/12] powerpc/book3s: Introduce exclusive emergency stack for machine check exception Mahesh J Salgaonkar
2013-09-09  4:30   ` Paul Mackerras
2013-08-26 19:31 ` [RFC PATCH v3 03/12] powerpc/book3s: handle machine check in Linux host Mahesh J Salgaonkar
2013-09-09  4:52   ` Paul Mackerras
2013-08-26 19:31 ` [RFC PATCH v3 04/12] Validate r1 value before going to host kernel in virtual mode Mahesh J Salgaonkar
2013-09-09  5:29   ` Paul Mackerras
2013-09-09  9:26     ` Benjamin Herrenschmidt [this message]
2013-08-26 19:31 ` [RFC PATCH v3 05/12] powerpc/book3s: Introduce a early machine check hook in cpu_spec Mahesh J Salgaonkar
2013-09-09  5:33   ` Paul Mackerras
2013-08-26 19:32 ` [RFC PATCH v3 06/12] powerpc/book3s: Add flush_tlb operation " Mahesh J Salgaonkar
2013-09-09  5:36   ` Paul Mackerras
2013-08-26 19:32 ` [RFC PATCH v3 07/12] powerpc/book3s: Flush SLB/TLBs if we get SLB/TLB machine check errors on power7 Mahesh J Salgaonkar
2013-09-09  6:00   ` Paul Mackerras
2013-08-26 19:32 ` [RFC PATCH v3 08/12] powerpc/book3s: Flush SLB/TLBs if we get SLB/TLB machine check errors on power8 Mahesh J Salgaonkar
2013-09-09  6:01   ` Paul Mackerras
2013-08-26 19:32 ` [RFC PATCH v3 09/12] powerpc/book3s: Decode and save machine check event Mahesh J Salgaonkar
2013-08-26 19:32 ` [RFC PATCH v3 10/12] Queue up and process delayed MCE events Mahesh J Salgaonkar
2013-08-26 19:32 ` [RFC PATCH v3 11/12] powerpc/powernv: Remove machine check handling in OPAL Mahesh J Salgaonkar
2013-08-26 19:32 ` [RFC PATCH v3 12/12] powerpc/powernv: Machine check exception handling Mahesh J Salgaonkar

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=1378718795.11525.0.camel@pasglop \
    --to=benh@kernel.crashing.org \
    --cc=anton@samba.org \
    --cc=jeremy.kerr@au1.ibm.com \
    --cc=linuxppc-dev@ozlabs.org \
    --cc=mahesh@linux.vnet.ibm.com \
    --cc=paulus@samba.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).