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]
Message-ID: <YfQeuWk0S4bxPVCg@google.com>
Date:   Fri, 28 Jan 2022 16:50:01 +0000
From:   Lee Jones <lee.jones@...aro.org>
To:     Sergei Shtylyov <sergei.shtylyov@...il.com>
Cc:     Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        greybus-dev@...ts.linaro.org, linux-i2c@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-staging@...ts.linux.dev,
        linux-usb@...r.kernel.org, netdev@...r.kernel.org,
        "David S. Miller" <davem@...emloft.net>,
        Alex Elder <elder@...nel.org>, Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Hans de Goede <hdegoede@...hat.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Johan Hovold <johan@...nel.org>,
        Rui Miguel Silva <rmfrfs@...il.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        UNGLinuxDriver@...rochip.com, Wolfram Sang <wsa@...nel.org>,
        Woojung Huh <woojung.huh@...rochip.com>
Subject: Re: [PATCH 4/7] mfd: hi6421-spmi-pmic: Use generic_handle_irq_safe().

On Fri, 28 Jan 2022, Sergei Shtylyov wrote:

> On 1/28/22 4:33 PM, Lee Jones wrote:
> 
> >>> generic_handle_irq() is invoked from a regular interrupt service
> >>> routing. This handler will become a forced-threaded handler on
> >>
> >>    s/routing/routine/?
> >>
> >>> PREEMPT_RT and will be invoked with enabled interrupts. The
> >>> generic_handle_irq() must be invoked with disabled interrupts in order
> >>> to avoid deadlocks.
> >>>
> >>> Instead of manually disabling interrupts before invoking use
> >>> generic_handle_irq() which can be invoked with enabled and disabled
> >>> interrupts.
> >>>
> >>> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@...utronix.de>
> >> [...]
> >>
> >> MBR, Sergey
> > 
> > What does that mean?
> 
>    Ah, you were asking about MBR! My best regards then. :-)

Yes this.  It's okay, Dan was kind enough to enlighten me.

Every day is a school day on the list! :)

-- 
Lee Jones [李琼斯]
Principal Technical Lead - Developer Services
Linaro.org │ Open source software for Arm SoCs
Follow Linaro: Facebook | Twitter | Blog

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ