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From: Jan Beulich <jbeulich@suse.com>
To: Andrew Cooper <andrew.cooper3@citrix.com>
Cc: George Dunlap <George.Dunlap@eu.citrix.com>,
	Ian Jackson <iwj@xenproject.org>,
	Stefano Stabellini <sstabellini@kernel.org>, Wei Liu <wl@xen.org>,
	Julien Grall <julien@xen.org>,
	Dario Faggioli <dfaggioli@suse.com>,
	Xen-devel <xen-devel@lists.xenproject.org>
Subject: Re: [PATCH 5/6] xen/credit2: Clean up trace handling
Date: Mon, 20 Sep 2021 11:11:10 +0200	[thread overview]
Message-ID: <e93db022-169d-e58d-84fb-c5d7edd7da06@suse.com> (raw)
In-Reply-To: <20210917084559.22673-6-andrew.cooper3@citrix.com>

On 17.09.2021 10:45, Andrew Cooper wrote:
> There is no need for bitfields anywhere - use more sensible types.  There is
> also no need to cast 'd' to (unsigned char *) before passing it to a function
> taking void *.
> 
> No functional change.
> 
> Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>

Reviewed-by: Jan Beulich <jbeulich@suse.com>
with (nit) ...

> @@ -1888,18 +1883,17 @@ void burn_credits(struct csched2_runqueue_data *rqd,
>      if ( unlikely(tb_init_done) )
>      {
>          struct {
> -            unsigned unit:16, dom:16;
> -            int credit, budget;
> -            int delta;
> -        } d;
> -        d.dom = svc->unit->domain->domain_id;
> -        d.unit = svc->unit->unit_id;
> -        d.credit = svc->credit;
> -        d.budget = has_cap(svc) ?  svc->budget : INT_MIN;
> -        d.delta = delta;
> -        __trace_var(TRC_CSCHED2_CREDIT_BURN, 1,
> -                    sizeof(d),
> -                    (unsigned char *)&d);
> +            uint16_t unit, dom;
> +            uint32_t credit, budget, delta;
> +        } d = {
> +            .unit    = svc->unit->unit_id,
> +            .dom     = svc->unit->domain->domain_id,
> +            .credit  = svc->credit,
> +            .budget  = has_cap(svc) ?  svc->budget : INT_MIN,

... a stray blank removed here.

Jan



  reply	other threads:[~2021-09-20  9:11 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-17  8:45 [PATCH 0/6] xen/trace: Fix leakage of uninitialised stack into the tracebuffer Andrew Cooper
2021-09-17  8:45 ` [PATCH 1/6] xen/trace: Don't over-read trace objects Andrew Cooper
2021-09-17 12:58   ` Jan Beulich
2021-09-17 13:26     ` Andrew Cooper
2021-09-20  8:00       ` Jan Beulich
2021-09-20 10:24         ` Andrew Cooper
2021-09-17  8:45 ` [PATCH 2/6] xen/memory: Remove tail padding from TRC_MEM_* records Andrew Cooper
2021-09-17 13:04   ` Jan Beulich
2021-09-17  8:45 ` [PATCH 3/6] xen/credit2: Remove tail padding from TRC_CSCHED2_* records Andrew Cooper
2021-09-17 13:10   ` Jan Beulich
2021-09-17 13:28     ` Andrew Cooper
2021-09-17  8:45 ` [PATCH 4/6] x86/trace: Reduce stack usage from HVMTRACE_ND() Andrew Cooper
2021-09-20  9:05   ` Jan Beulich
2021-09-20 11:02     ` Andrew Cooper
2021-09-20 13:00       ` Jan Beulich
2021-09-17  8:45 ` [PATCH 5/6] xen/credit2: Clean up trace handling Andrew Cooper
2021-09-20  9:11   ` Jan Beulich [this message]
2021-09-17  8:45 ` [PATCH 6/6] xen/trace: Minor code cleanup Andrew Cooper
2021-09-20  9:15   ` Jan Beulich

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