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From: Johannes Berg <johannes@sipsolutions.net>
To: Benjamin Beichler <benjamin.beichler@uni-rostock.de>,
	Richard Weinberger <richard@nod.at>,
	Anton Ivanov <anton.ivanov@cambridgegreys.com>
Cc: linux-um@lists.infradead.org
Subject: Re: [PATCH RFC 05/11] um: Add final request time to TT wait message
Date: Mon, 06 Nov 2023 21:29:07 +0100	[thread overview]
Message-ID: <a2fc55c2c434141530d6a39c05fa3e64998273dd.camel@sipsolutions.net> (raw)
In-Reply-To: <20231103-bb-timetravel-patches-v1-5-e2c68efcf664@uni-rostock.de>

On Fri, 2023-11-03 at 16:41 +0000, Benjamin Beichler wrote:
> Although the information for the next requested time was already sent in
> a prior message, this change introduces the otherwise unused time
> variable in the TT message. This addition enables an extra consistency
> check and can otherwise be ignored.

Seems fine to me.

> --- a/include/uapi/linux/um_timetravel.h
> +++ b/include/uapi/linux/um_timetravel.h
> @@ -77,9 +77,9 @@ enum um_timetravel_ops {
>  	/**
>  	 * @UM_TIMETRAVEL_WAIT: Indicate waiting for the previously requested
>  	 *	runtime, new requests may be made while waiting (e.g. due to
> -	 *	interrupts); the time field is ignored. The calendar must process
> -	 *	this message and later	send a %UM_TIMETRAVEL_RUN message when
> -	 *	the host can run again.
> +	 *	interrupts); the time field contains the next requested runtime
> +	 *  for consistency checks. The calendar must process this message and
> +	 *  later send a %UM_TIMETRAVEL_RUN message when the host can run again.

Indentation got messed up here though.

johannes

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  reply	other threads:[~2023-11-06 20:29 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-11-03 16:41 [PATCH RFC 00/11] Several Time Travel Mode Enhancements Benjamin Beichler
2023-11-03 16:41 ` [PATCH RFC 01/11] um: Make UBD requests synchronous in TT ext/infcpu mode Benjamin Beichler
2023-11-06 20:24   ` Johannes Berg
2023-11-03 16:41 ` [PATCH RFC 02/11] um: add a simple time_travel_handler implementation Benjamin Beichler
2023-11-03 16:41 ` [PATCH RFC 03/11] um: Use a simple time travel handler for line interrupts Benjamin Beichler
2023-11-06 20:26   ` Johannes Berg
2023-11-10 16:53     ` Benjamin Beichler
2023-11-10 17:16       ` Johannes Berg
2023-11-13 11:46         ` Benjamin Beichler
2023-11-13 21:22           ` Johannes Berg
2023-11-13 21:57             ` Johannes Berg
2023-11-20 13:42               ` Benjamin Beichler
2023-11-24 14:53                 ` Johannes Berg
2023-11-03 16:41 ` [PATCH RFC 04/11] um: Handle UM_TIMETRAVEL_RUN only in idle loop, signal success in ACK Benjamin Beichler
2023-11-06 20:53   ` Johannes Berg
2023-11-10 18:41   ` Johannes Berg
2023-11-03 16:41 ` [PATCH RFC 05/11] um: Add final request time to TT wait message Benjamin Beichler
2023-11-06 20:29   ` Johannes Berg [this message]
2023-11-03 16:41 ` [PATCH RFC 06/11] um: always send UM_TIMETRAVEL_REQUEST from ISRs Benjamin Beichler
2023-11-06 20:32   ` Johannes Berg
2023-11-03 16:41 ` [PATCH RFC 07/11] um: add TIMETRAVEL_REQUEST handler to request latest event Benjamin Beichler
2023-11-06 20:33   ` Johannes Berg
2023-11-10 16:23     ` Benjamin Beichler
2023-11-10 17:19       ` Johannes Berg
2023-11-03 16:41 ` [PATCH RFC 08/11] um: Protect accesses to the timetravel event list Benjamin Beichler
2023-11-06 20:37   ` Johannes Berg
2023-11-03 16:41 ` [PATCH RFC 09/11] um: Delay timer_read in time travel mode only after consecutive reads Benjamin Beichler
2023-11-06 20:40   ` Johannes Berg
2023-11-03 16:41 ` [PATCH RFC 10/11] um: Delay timer_read only in possible busy loops in TT-mode Benjamin Beichler
2023-11-06 20:51   ` Johannes Berg
2023-11-10 15:54     ` Benjamin Beichler
2023-11-10 16:39       ` Benjamin Berg
2023-11-10 17:29       ` Johannes Berg
2023-11-03 16:41 ` [PATCH RFC 11/11] um: Remove all TSC flags when using Time Travel Mode Benjamin Beichler
2023-11-03 18:45   ` Anton Ivanov
2023-11-06 20:52   ` Johannes Berg

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