From: "Daniel P. Berrangé" <berrange@redhat.com>
To: Stefan Berger <stefanb@linux.vnet.ibm.com>
Cc: qemu-trivial@nongnu.org, qemu-devel@nongnu.org, f4bug@amsat.org,
"Marc-André Lureau" <marcandre.lureau@redhat.com>
Subject: Re: [Qemu-trivial] [PATCH] tests: fix tpm-crb tpm-tis tests race
Date: Tue, 8 May 2018 16:30:15 +0100 [thread overview]
Message-ID: <20180508153015.GE5967@redhat.com> (raw)
In-Reply-To: <1525793375-15367-1-git-send-email-stefanb@linux.vnet.ibm.com>
On Tue, May 08, 2018 at 11:29:35AM -0400, Stefan Berger wrote:
> From: Marc-André Lureau <marcandre.lureau@redhat.com>
>
> No need to close the TPM data socket on the emulator end, qemu will
> close it after a SHUTDOWN. This avoids a race between close() and
> read() in the TPM data thread.
>
> Reported-by: Peter Maydell <peter.maydell@linaro.org>
> Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
> Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
> ---
> tests/tpm-emu.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
>
> diff --git a/tests/tpm-emu.c b/tests/tpm-emu.c
> index 4dada76..8c2bd53 100644
> --- a/tests/tpm-emu.c
> +++ b/tests/tpm-emu.c
> @@ -125,7 +125,7 @@ void *tpm_emu_ctrl_thread(void *data)
> case CMD_SHUTDOWN: {
> ptm_res res = 0;
> qio_channel_write(ioc, (char *)&res, sizeof(res), &error_abort);
> - qio_channel_close(s->tpm_ioc, &error_abort);
> + /* the tpm data thread is expected to finish now */
> g_thread_join(s->emu_tpm_thread);
> break;
> }
> --
> 2.5.5
>
Regards,
Daniel
--
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WARNING: multiple messages have this Message-ID (diff)
From: "Daniel P. Berrangé" <berrange@redhat.com>
To: Stefan Berger <stefanb@linux.vnet.ibm.com>
Cc: qemu-trivial@nongnu.org, qemu-devel@nongnu.org, f4bug@amsat.org,
"Marc-André Lureau" <marcandre.lureau@redhat.com>
Subject: Re: [Qemu-devel] [PATCH] tests: fix tpm-crb tpm-tis tests race
Date: Tue, 8 May 2018 16:30:15 +0100 [thread overview]
Message-ID: <20180508153015.GE5967@redhat.com> (raw)
In-Reply-To: <1525793375-15367-1-git-send-email-stefanb@linux.vnet.ibm.com>
On Tue, May 08, 2018 at 11:29:35AM -0400, Stefan Berger wrote:
> From: Marc-André Lureau <marcandre.lureau@redhat.com>
>
> No need to close the TPM data socket on the emulator end, qemu will
> close it after a SHUTDOWN. This avoids a race between close() and
> read() in the TPM data thread.
>
> Reported-by: Peter Maydell <peter.maydell@linaro.org>
> Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
> Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
> ---
> tests/tpm-emu.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
>
> diff --git a/tests/tpm-emu.c b/tests/tpm-emu.c
> index 4dada76..8c2bd53 100644
> --- a/tests/tpm-emu.c
> +++ b/tests/tpm-emu.c
> @@ -125,7 +125,7 @@ void *tpm_emu_ctrl_thread(void *data)
> case CMD_SHUTDOWN: {
> ptm_res res = 0;
> qio_channel_write(ioc, (char *)&res, sizeof(res), &error_abort);
> - qio_channel_close(s->tpm_ioc, &error_abort);
> + /* the tpm data thread is expected to finish now */
> g_thread_join(s->emu_tpm_thread);
> break;
> }
> --
> 2.5.5
>
Regards,
Daniel
--
|: https://berrange.com -o- https://www.flickr.com/photos/dberrange :|
|: https://libvirt.org -o- https://fstop138.berrange.com :|
|: https://entangle-photo.org -o- https://www.instagram.com/dberrange :|
next prev parent reply other threads:[~2018-05-08 15:30 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-08 15:29 [Qemu-trivial] [PATCH] tests: fix tpm-crb tpm-tis tests race Stefan Berger
2018-05-08 15:29 ` [Qemu-devel] " Stefan Berger
2018-05-08 15:30 ` Daniel P. Berrangé [this message]
2018-05-08 15:30 ` Daniel P. Berrangé
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