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From: Paolo Bonzini <pbonzini@redhat.com>
To: "Emilio G. Cota" <cota@braap.org>
Cc: mttcg@greensocs.com, qemu-devel@nongnu.org, rth@twiddle.net
Subject: Re: [Qemu-devel] [PATCH 6/9] tcg: synchronize cpu->exit_request and cpu->tcg_exit_req accesses
Date: Fri, 28 Aug 2015 10:50:57 +0200	[thread overview]
Message-ID: <55E020F1.1030904@redhat.com> (raw)
In-Reply-To: <20150828021954.GA25092@flamenco>



On 28/08/2015 04:19, Emilio G. Cota wrote:
> translate-all.c-1478-    } else {
> translate-all.c:1479:        cpu->tcg_exit_req = 1;

This one is only run in the CPU thread.

> translate-all.c-1643-    cpu->interrupt_request |= mask;
> translate-all.c:1644:    cpu->tcg_exit_req = 1;

This one is only run in user-mode emulation, which also means it is run
in the CPU thread.

Paolo

> Current master certainly doesn't have them, but I wonder if
> you have barriers at those places in the tree you're working on. If not
> I'd expand this patch to add them.

  reply	other threads:[~2015-08-28  8:51 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-08-26  0:17 [Qemu-devel] [PATCH v2 0/9] tcg: signal-free qemu_cpu_kick Paolo Bonzini
2015-08-26  0:17 ` [Qemu-devel] [PATCH 1/9] i8257: rewrite DMA_schedule to avoid hooking into the CPU loop Paolo Bonzini
2015-08-26  0:17 ` [Qemu-devel] [PATCH 2/9] i8257: remove cpu_request_exit irq Paolo Bonzini
2015-08-26  0:17 ` [Qemu-devel] [PATCH 3/9] tcg: introduce tcg_current_cpu Paolo Bonzini
2015-08-26  0:17 ` [Qemu-devel] [PATCH 4/9] remove qemu/tls.h Paolo Bonzini
2015-08-26  0:17 ` [Qemu-devel] [PATCH 5/9] tcg: assign cpu->current_tb in a simpler place Paolo Bonzini
2015-08-26  0:17 ` [Qemu-devel] [PATCH 6/9] tcg: synchronize cpu->exit_request and cpu->tcg_exit_req accesses Paolo Bonzini
2015-08-28  2:19   ` Emilio G. Cota
2015-08-28  8:50     ` Paolo Bonzini [this message]
2015-08-26  0:17 ` [Qemu-devel] [PATCH 7/9] tcg: synchronize exit_request and tcg_current_cpu accesses Paolo Bonzini
2015-08-26  0:17 ` [Qemu-devel] [PATCH 8/9] use qemu_cpu_kick instead of cpu_exit or qemu_cpu_kick_thread Paolo Bonzini
2015-08-26  0:17 ` [Qemu-devel] [PATCH 9/9] tcg: signal-free qemu_cpu_kick Paolo Bonzini
2015-08-28  4:21 ` [Qemu-devel] [PATCH v2 0/9] " Richard Henderson

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