linux-kernel - Re: [PATCH V2] rtc: zynqmp: Restore alarm functionality after kexec transition

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] [day] [month] [year] [list]

Message-ID: <175969940416.3796539.10765849167176771730.b4-ty@bootlin.com>
Date: Sun, 5 Oct 2025 23:23:32 +0200
From: Alexandre Belloni <alexandre.belloni@...tlin.com>
To: michal.simek@....com, Harini T <harini.t@....com>
Cc: linux-rtc@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org, git@....com
Subject: Re: [PATCH V2] rtc: zynqmp: Restore alarm functionality after kexec
 transition

On Wed, 30 Jul 2025 19:51:10 +0530, Harini T wrote:
> During kexec reboots, RTC alarms that are fired during the kernel
> transition experience delayed execution. The new kernel would eventually
> honor these alarms, but the interrupt handlers would only execute after
> the driver probe is completed rather than at the intended alarm time.
> 
> This is because pending alarm interrupt status from the previous kernel
> is not properly cleared during driver initialization, causing timing
> discrepancies in alarm delivery.
> 
> [...]

Applied, thanks!

[1/1] rtc: zynqmp: Restore alarm functionality after kexec transition
      https://git.kernel.org/abelloni/c/e22f4d1321e0

Best regards,

-- 
Alexandre Belloni, co-owner and COO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com