linux-kernel - Re: [PATCH] arc: add support for TIF_NOTIFY

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Date:   Fri, 30 Oct 2020 14:36:02 -0600
From:   Jens Axboe <axboe@...nel.dk>
To:     Vineet Gupta <Vineet.Gupta1@...opsys.com>,
        "linux-snps-arc@...ts.infradead.org" 
        <linux-snps-arc@...ts.infradead.org>
Cc:     open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] arc: add support for TIF_NOTIFY_SIGNAL

On 10/30/20 2:08 PM, Vineet Gupta wrote:
> On 10/30/20 11:53 AM, Jens Axboe wrote:
>>
>> Ah thanks, I'll make that change. Hard for me to test a lot of these, so
>> I really appreciate someone knowledgable taking a look at it.
> 
> Sure, glad to help, thx to you for writing the arch patches in first 
> place. It takes a bit of daring to venture in unchartered waters ;-)

Nice to do something different for a change! And another motivation is
that I can't drop some old dead code before all archs support
TIF_NOTIFY_SIGNAL.

> These days it is super easy to get your hands on a ARC cross toolchain. 
> We don't have them shipping as regular distro packages just yet, but you 
> can download a prebuilt @
> https://github.com/foss-for-synopsys-dwc-arc-processors/toolchain/releases/download/arc-2020.09-release/arc_gnu_2020.09_prebuilt_glibc_le_archs_linux_install.tar.gz
> 
> Or you can just build upstream gcc + binutils for ARC if you so prefer.

Thanks, that's very helpful. Unfortunately my distro didn't have
gcc+binutils packaged for arc, like it did for a lot of the other
targets.

>> commit 3c6239647d95d03d1436bc826a004791c3f04617
>> Author: Jens Axboe <axboe@...nel.dk>
>> Date:   Mon Oct 12 07:15:37 2020 -0600
>>
>>      arc: add support for TIF_NOTIFY_SIGNAL
>>      
>>      Wire up TIF_NOTIFY_SIGNAL handling for arc.
>>      
>>      Cc: linux-snps-arc@...ts.infradead.org
>>      Signed-off-by: Jens Axboe <axboe@...nel.dk>
> 
> Acked-by: Vineet Gupta <vgupta@...opsys.com>

Added, thanks!

-- 
Jens Axboe