linux-kernel - Re: [PATCH v2 3/8] genirq: soft_moderation: implement fixed moderation

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: <CAMOZA0JXv1ERyGOJ8fmwefnc6XKbGGy-E4p_d+BFr6KPzoOUZw@mail.gmail.com>
Date: Tue, 18 Nov 2025 19:25:23 +0100
From: Luigi Rizzo <lrizzo@...gle.com>
To: Thomas Gleixner <tglx@...utronix.de>
Cc: Marc Zyngier <maz@...nel.org>, Luigi Rizzo <rizzo.unipi@...il.com>, 
	Paolo Abeni <pabeni@...hat.com>, Andrew Morton <akpm@...ux-foundation.org>, 
	Sean Christopherson <seanjc@...gle.com>, linux-kernel@...r.kernel.org, 
	linux-arch@...r.kernel.org, Bjorn Helgaas <bhelgaas@...gle.com>, 
	Willem de Bruijn <willemb@...gle.com>
Subject: Re: [PATCH v2 3/8] genirq: soft_moderation: implement fixed moderation

On Tue, Nov 18, 2025 at 5:31 PM Thomas Gleixner <tglx@...utronix.de> wrote:
>
> On Tue, Nov 18 2025 at 11:09, Luigi Rizzo wrote:
> > ...
> > (I appreciate the time you are dedicating to this thread)
>
> It's hopefully saving me time and nerves later :)
>
> > ...
> That's kinda true for the per interrupt accounting, but if you look at
> it from a per CPU accounting perspective then you still can handle them
> individually and mask them when they arrive within or trigger a delay
> window. That means:

ok, so to sum up, what are the correct methods to do the masking
you suggest, should i use mask_irq()/unmask_irq() ?

thanks
luigi