From: Michael Ellerman <patch-notifications@ellerman•id.au>
To: Cyril Bur <cyrilbur@gmail•com>, linuxppc-dev@lists•ozlabs.org
Cc: mikey@neuling•org, wei.guo.simon@gmail•com, anton@samba•org
Subject: Re: [1/2] powerpc: tm: Add TM Unavailable Exception
Date: Wed, 5 Oct 2016 13:36:24 +1100 (AEDT) [thread overview]
Message-ID: <3spfzr6MBQz9s9x@ozlabs.org> (raw)
In-Reply-To: <20160914080216.13833-2-cyrilbur@gmail.com>
On Wed, 2016-14-09 at 08:02:15 UTC, Cyril Bur wrote:
> If the kernel disables transactional memory (TM) and userspace still
> tries TM related actions (TM instructions or TM SPR accesses) TM aware
> hardware will cause the kernel to take a facility unavailable
> exception.
>
> Add checks for the exception being caused by illegal TM access in
> userspace.
>
> Signed-off-by: Cyril Bur <cyrilbur@gmail•com>
Series applied to powerpc next, thanks.
https://git.kernel.org/powerpc/c/172f7aaa75d0eaae167edde25c08aa
cheers
next prev parent reply other threads:[~2016-10-05 2:36 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-14 8:02 [PATCH 0/2] Enable MSR_TM lazily Cyril Bur
2016-09-14 8:02 ` [PATCH 1/2] powerpc: tm: Add TM Unavailable Exception Cyril Bur
2016-10-05 2:36 ` Michael Ellerman [this message]
2016-09-14 8:02 ` [PATCH 2/2] powerpc: tm: Enable transactional memory (TM) lazily for userspace Cyril Bur
2016-09-19 4:47 ` Simon Guo
2016-09-19 5:26 ` Cyril Bur
2016-09-14 11:28 ` [PATCH 0/2] Enable MSR_TM lazily Nicholas Piggin
2016-09-14 11:46 ` Michael Neuling
2016-09-14 12:12 ` Nicholas Piggin
2016-09-14 12:17 ` Michael Neuling
2016-09-14 14:10 ` Carlos Eduardo Seo
2016-09-15 3:59 ` Nicholas Piggin
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