linux-kernel - Re: [PATCH REBASED 0/6] rwsem: Implement down_read

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Message-ID: <20171003090303.aclppj3jozdirtxl@hirez.programming.kicks-ass.net>
Date:   Tue, 3 Oct 2017 11:03:03 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Kirill Tkhai <ktkhai@...tuozzo.com>
Cc:     linux-ia64@...r.kernel.org, avagin@...tuozzo.com,
        heiko.carstens@...ibm.com, hpa@...or.com, gorcunov@...tuozzo.com,
        linux-arch@...r.kernel.org, linux-s390@...r.kernel.org,
        x86@...nel.org, mingo@...hat.com, mattst88@...il.com,
        fenghua.yu@...el.com, arnd@...db.de, ink@...assic.park.msu.ru,
        tglx@...utronix.de, rth@...ddle.net, tony.luck@...el.com,
        linux-kernel@...r.kernel.org, linux-alpha@...r.kernel.org,
        schwidefsky@...ibm.com, davem@...emloft.net, rientjes@...gle.com,
        viro@...iv.linux.org.uk
Subject: Re: [PATCH REBASED 0/6] rwsem: Implement down_read_killable()

On Fri, Sep 29, 2017 at 07:05:45PM +0300, Kirill Tkhai wrote:
> The series introduces new down_read_killable() primitive, which
> is similar to down_read(), but it may be interrupted by a signal.
> The most touched is architectures code. Also, it marks a new user
> of the primitive, which is iterate_dir().
> 
> ---
> 
> Kirill Tkhai (6):
>       alpha: Add __down_read_killable()
>       ia64: Add __down_read_killable()
>       s390: Add __down_read_killable()
>       x86: Add __down_read_killable()
>       rwsem: Add down_read_killable()
>       fs: Use killable down_read() in iterate_dir()
> 
> 
>  arch/alpha/include/asm/rwsem.h |   18 ++++++++++++++++--
>  arch/ia64/include/asm/rwsem.h  |   22 +++++++++++++++++++---
>  arch/s390/include/asm/rwsem.h  |   18 ++++++++++++++++--
>  arch/x86/include/asm/rwsem.h   |   35 +++++++++++++++++++++++++----------
>  arch/x86/lib/rwsem.S           |   12 ++++++++++++
>  fs/readdir.c                   |   11 +++++------
>  include/asm-generic/rwsem.h    |    8 ++++++++
>  include/linux/rwsem.h          |    1 +
>  kernel/locking/rwsem.c         |   16 ++++++++++++++++
>  9 files changed, 118 insertions(+), 23 deletions(-)

thanks!