linux-kernel - Re: [PATCH v1] clocksource/drivers/arm_global_timer: Simplify prescaler register access

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date: Thu, 22 Feb 2024 11:02:21 +0100
From: Daniel Lezcano <daniel.lezcano@...aro.org>
To: Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
 tglx@...utronix.de
Cc: linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
 patrice.chotard@...s.st.com, linux-amlogic@...ts.infradead.org
Subject: Re: [PATCH v1] clocksource/drivers/arm_global_timer: Simplify
 prescaler register access


Hi Martin,

thank you for providing these cleanups.

One question below:


On 21/02/2024 22:43, Martin Blumenstingl wrote:

[ ... ]

>   		/* prescaler within legal range? */
> -		if (psv < 0 || psv > GT_CONTROL_PRESCALER_MAX)
> +		if (psv < 0 || psv > FIELD_GET(GT_CONTROL_PRESCALER_MASK, ~0))

		FIELD_MAX() ?

[ ... ]

-- 
<http://www.linaro.org/> Linaro.org │ Open source software for ARM SoCs

Follow Linaro:  <http://www.facebook.com/pages/Linaro> Facebook |
<http://twitter.com/#!/linaroorg> Twitter |
<http://www.linaro.org/linaro-blog/> Blog