From: "Roger Pau Monné" <roger.pau@citrix.com>
To: Eslam Elnikety <elnikety@amazon.com>
Cc: xen-devel@lists.xenproject.org,
Andrew Cooper <andrew.cooper3@citrix.com>, Wei Liu <wl@xen.org>,
Jan Beulich <jbeulich@suse.com>,
Paul Durrant <pdurrant@amazon.co.uk>
Subject: Re: [PATCH] x86/vhpet: Fix type size in timer_int_route_valid
Date: Tue, 28 Jul 2020 10:58:15 +0200 [thread overview]
Message-ID: <20200728085815.GY7191@Air-de-Roger> (raw)
In-Reply-To: <20200728083357.77999-1-elnikety@amazon.com>
On Tue, Jul 28, 2020 at 08:33:57AM +0000, Eslam Elnikety wrote:
> The macro timer_int_route_cap evalutes to a 64 bit value. Extend the
> size of left side of timer_int_route_valid to match.
I'm very dull with this things, so forgive me.
Isn't the left side just promoted to an unsigned 64bit value?
Also timer_int_route will strictly be <= 31, which makes the shift
safe?
I'm not opposed to switching to use unsigned long, but I think I'm not
understanding the issue.
Thanks, Roger.
next prev parent reply other threads:[~2020-07-28 8:58 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-28 8:33 [PATCH] x86/vhpet: Fix type size in timer_int_route_valid Eslam Elnikety
2020-07-28 8:58 ` Roger Pau Monné [this message]
2020-07-28 9:14 ` Eslam Elnikety
2020-07-28 9:26 ` Andrew Cooper
2020-07-28 11:09 ` Eslam Elnikety
2020-07-28 13:46 ` Andrew Cooper
2020-07-28 13:55 ` Eslam Elnikety
2020-07-28 17:51 ` Jan Beulich
2020-07-31 8:38 ` Eslam Elnikety
2020-07-31 9:53 ` Jan Beulich
2020-07-31 12:35 ` Julien Grall
2020-07-31 12:38 ` Jan Beulich
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