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.
next prev parent 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
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