linux-kernel - Re: [PATCH 1/2] sparc64: Deselect IRQ_PREFLOW

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: <CADxRZqxcLXz4wp6Bj7=MWx04BJ7cHmHy6o_f+1V9_yNXNHH6-g@mail.gmail.com>
Date:   Fri, 3 Jul 2020 19:29:58 +0300
From:   Anatoly Pugachev <matorola@...il.com>
To:     Valentin Schneider <valentin.schneider@....com>
Cc:     Linux Kernel list <linux-kernel@...r.kernel.org>,
        Sparc kernel list <sparclinux@...r.kernel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Thomas Gleixner <tglx@...utronix.de>,
        Jason Cooper <jason@...edaemon.net>,
        Marc Zyngier <maz@...nel.org>
Subject: Re: [PATCH 1/2] sparc64: Deselect IRQ_PREFLOW_FASTEOI

On Fri, Jul 3, 2020 at 6:58 PM Valentin Schneider
<valentin.schneider@....com> wrote:
>
> sparc64 hasn't needed to select this since commit:
>
>   ee6a9333fa58 ("sparc64: sparse irq")
>
> which got rid of the calls to __irq_set_preflow_handler() first installed
> by commit:
>
>   fcd8d4f49869 ("sparc: Use the new genirq functionality")
>
> Deselect this option.
>
> Signed-off-by: Valentin Schneider <valentin.schneider@....com>
> ---
>  arch/sparc/Kconfig | 1 -
>  1 file changed, 1 deletion(-)
>
> diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
> index da515fdad83d..ed35760043e8 100644
> --- a/arch/sparc/Kconfig
> +++ b/arch/sparc/Kconfig
> @@ -81,7 +81,6 @@ config SPARC64
>         select RTC_DRV_STARFIRE
>         select HAVE_PERF_EVENTS
>         select PERF_USE_VMALLOC
> -       select IRQ_PREFLOW_FASTEOI
>         select ARCH_HAVE_NMI_SAFE_CMPXCHG
>         select HAVE_C_RECORDMCOUNT
>         select HAVE_ARCH_AUDITSYSCALL


tried/tested this patch on my test sparc64 ldom , boots ok