Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
Date:   Thu, 19 Jul 2018 14:00:07 -0700
From:   Paul Burton <paul.burton@mips.com>
To:     Maciej Rozycki <Maciej.Rozycki@mips.com>
Cc:     James Hogan <jhogan@kernel.org>,
        Ralf Baechle <ralf@linux-mips.org>,
        "linux-mips@linux-mips.org" <linux-mips@linux-mips.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] MIPS: Add FP_MODE regset support
Message-ID: <20180719210007.u3ddehsxb573avli@pburton-laptop>
References: <alpine.DEB.2.00.1805111326000.10896@tp.orcam.me.uk>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <alpine.DEB.2.00.1805111326000.10896@tp.orcam.me.uk>
User-Agent: NeoMutt/20180622
Received-SPF: None (protection.outlook.com: wavecomp.com does not designate
 permitted sender hosts)
SpamDiagnosticOutput: 1:99
SpamDiagnosticMetadata: NSPM
X-MS-Exchange-CrossTenant-OriginalArrivalTime: 19 Jul 2018 21:00:10.6366 (UTC)
X-MS-Exchange-CrossTenant-Network-Message-Id: 5b322a4b-c0da-4443-24c1-08d5edba9dae
X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted
X-MS-Exchange-CrossTenant-Id: 463607d3-1db3-40a0-8a29-970c56230104
X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN7PR08MB4930
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

Hi Maciej,

On Tue, May 15, 2018 at 03:40:18PM -0700, Maciej Rozycki wrote:
> Define an NT_MIPS_FP_MODE core file note and implement a corresponding 
> regset holding the state handled by PR_SET_FP_MODE and PR_GET_FP_MODE 
> prctl(2) requests.  This lets debug software correctly interpret the 
> contents of floating-point general registers both in live debugging and 
> in core files, and also switch floating-point modes of a live process.
> 
> Signed-off-by: Maciej W. Rozycki <macro@mips.com>
> ---
> NB due to patch conflicts this change relies on the DSP ASE regset series 
> <https://patchwork.kernel.org/patch/10402171/> to be applied first.
> ---
>  arch/mips/kernel/ptrace.c |   63 ++++++++++++++++++++++++++++++++++++++++++++++
>  include/uapi/linux/elf.h  |    1 
>  2 files changed, 64 insertions(+)

Thanks - applied to mips-next for 4.19, though with NT_MIPS_FP_MODE
changed to 0x801.

Paul