linux-kernel - Re: [PATCH 0/5] genirq: Get rid of handle_percpu_devid_fasteoi

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:   Fri, 11 Dec 2020 15:01:41 +0000
From:   Marc Zyngier <maz@...nel.org>
To:     shawnguo@...nel.org, linux@...musvillemoes.dk, leoyang.li@....com,
        mark.rutland@....com, zhiqiang.hou@....com,
        Biwen Li <biwen.li@....nxp.com>, robh+dt@...nel.org,
        tglx@...utronix.de, linux-kernel@...r.kernel.org,
        Valentin Schneider <valentin.schneider@....com>,
        linux-arm-kernel@...ts.infradead.org
Cc:     xiaobo.xie@....com, Hou Zhiqiang <Zhiqiang.Hou@....com>,
        devicetree@...r.kernel.org, Biwen Li <biwen.li@....com>,
        jiafei.pan@....com, Florian Fainelli <f.fainelli@...il.com>,
        Gregory Clement <gregory.clement@...tlin.com>,
        Lorenzo Pieralisi <Lorenzo.Pieralisi@....com>,
        Ray Jui <rjui@...adcom.com>, Andrew Lunn <andrew@...n.ch>,
        Scott Branden <sbranden@...adcom.com>,
        Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>
Subject: Re: [PATCH 0/5] genirq: Get rid of handle_percpu_devid_fasteoi_ipi()

On Mon, 9 Nov 2020 09:41:16 +0000, Valentin Schneider wrote:
> While hacking on the GIC flow handlers, I grew increasingly suspicious of
> handle_percpu_devid_fasteoi_ipi() and thus did a bit of digging. AFAICT it isn't
> actually needed and handle_percpu_devid_irq() would suffice. Argumentation is in
> patch 1.
> 
> Tested on my Juno (GICv2) and eMAG (GICv3).
> 
> [...]

Applied to irq/irqchip-next, thanks!

[1/5] irqchip/gic, gic-v3: Make SGIs use handle_percpu_devid_irq()
      commit: 6abbd6988971aaa607b026eaa0ffd2301352f2ea
[2/5] irqchip/armada-370-xp: Make IPIs use handle_percpu_devid_irq()
      commit: e52e73b7e9f7d08b8c2ef6fb1657105093e22a03
[3/5] irqchip/bcm2836: Make IPIs use handle_percpu_devid_irq()
      commit: ffdad793d579c9286c7b67a86d1a3c890fb32082
[4/5] irqchip/hip04: Make IPIs use handle_percpu_devid_irq()
      commit: a2e042e13ff322ad523a2f131dd6e03e8bc05053
[5/5] Revert "genirq: Add fasteoi IPI flow"
      commit: b388fa50142510fb6477f130bb1b3f05a0a263a1

Cheers,

	M.
-- 
Without deviation from the norm, progress is not possible.