From: Richard Henderson <rth@twiddle.net>
To: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>,
qemu-ppc@nongnu.org, david@gibson.dropbear.id.au
Cc: qemu-devel@nongnu.org, alex.bennee@linaro.org,
programmingkidx@gmail.com, bharata@linux.vnet.ibm.com
Subject: Re: [Qemu-devel] [PATCH RFC v1 2/3] cputlb: handle first atomic write to the page
Date: Thu, 6 Apr 2017 08:54:30 -0700 [thread overview]
Message-ID: <4d279bc9-05d6-7fa2-4e65-7547aee74f22@twiddle.net> (raw)
In-Reply-To: <20170406102249.20383-3-nikunj@linux.vnet.ibm.com>
On 04/06/2017 03:22 AM, Nikunj A Dadhania wrote:
> In case where the conditional write is the first write to the page,
> TLB_NOTDIRTY will be set and stop_the_world is triggered. Handle this as
> a special case and set the dirty bit. After that fall through to the
> actual atomic instruction below.
>
> Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
> ---
> cputlb.c | 8 +++++++-
> 1 file changed, 7 insertions(+), 1 deletion(-)
Reviewed-by: Richard Henderson <rth@twiddle.net>
r~
next prev parent reply other threads:[~2017-04-06 15:54 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-04-06 10:22 [Qemu-devel] [PATCH RFC v1 0/3] Enable MTTCG on PPC64 Nikunj A Dadhania
2017-04-06 10:22 ` [Qemu-devel] [PATCH RFC v1 1/3] target/ppc: Emulate LL/SC using cmpxchg helpers Nikunj A Dadhania
2017-04-06 15:51 ` Richard Henderson
2017-04-07 5:12 ` Nikunj A Dadhania
2017-04-06 15:53 ` Richard Henderson
2017-04-07 5:14 ` Nikunj A Dadhania
2017-04-07 5:23 ` David Gibson
2017-04-07 5:42 ` Nikunj A Dadhania
2017-04-06 10:22 ` [Qemu-devel] [PATCH RFC v1 2/3] cputlb: handle first atomic write to the page Nikunj A Dadhania
2017-04-06 15:54 ` Richard Henderson [this message]
2017-04-06 10:22 ` [Qemu-devel] [PATCH RFC v1 3/3] target/ppc: Generate fence operations Nikunj A Dadhania
2017-04-06 16:15 ` Richard Henderson
2017-04-07 5:21 ` Nikunj A Dadhania
2017-04-07 18:19 ` Richard Henderson
2017-04-06 13:26 ` [Qemu-devel] [Qemu-ppc] [PATCH RFC v1 0/3] Enable MTTCG on PPC64 Cédric Le Goater
2017-04-06 13:28 ` G 3
2017-04-06 13:32 ` Cédric Le Goater
2017-04-06 13:47 ` G 3
2017-04-06 17:08 ` luigi burdo
2017-04-06 18:06 ` G 3
2017-04-07 5:24 ` Nikunj A Dadhania
2017-04-07 6:07 ` Cédric Le Goater
2017-04-10 16:41 ` Cédric Le Goater
2017-04-10 16:44 ` Nikunj A Dadhania
2017-04-10 16:59 ` Cédric Le Goater
2017-04-10 17:07 ` Nikunj A Dadhania
2017-04-10 17:20 ` Alex Bennée
2017-04-11 12:28 ` Cédric Le Goater
2017-04-11 13:26 ` Benjamin Herrenschmidt
2017-04-11 14:04 ` Alex Bennée
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