From: Jens Axboe <axboe@kernel.dk>
To: Jackie Liu <liuyun01@kylinos.cn>
Cc: linux-block@vger.kernel.org
Subject: Re: [PATCH] Add arm64 memory barriers support
Date: Thu, 8 Aug 2019 20:37:31 -0700 [thread overview]
Message-ID: <4c34db65-26aa-31c5-b255-595de70b43bd@kernel.dk> (raw)
In-Reply-To: <1565318439-13992-1-git-send-email-liuyun01@kylinos.cn>
On 8/8/19 7:40 PM, Jackie Liu wrote:
> making liburing on arm64 platform failed. let's support it.
>
> root@Kylin:/# cat /etc/os-release
> PRETTY_NAME="Debian GNU/Linux buster/sid"
>
> root@Kylin:/# gcc -v
> gcc version 8.2.0 (Debian 8.2.0-20)
>
> root@Kylin:~/liburing# make
> make[1]: Entering directory '/root/liburing/src'
> cc -g -fomit-frame-pointer -O2 -Wall -Iinclude/ -c -o setup.ol setup.c
> In file included from include/liburing.h:14,
> from setup.c:10:
> include/liburing.h: In function 'io_uring_cq_advance':
> include/liburing/barrier.h:73:2: warning: implicit declaration of function 'smp_mb'; did you mean 'smp_wmb'? [-Wimplicit-function-declaration]
> smp_mb(); \
> ^~~~~~
> include/liburing.h:111:3: note: in expansion of macro 'smp_store_release'
> smp_store_release(cq->khead, *cq->khead + nr);
> ^~~~~~~~~~~~~~~~~
Applied, thanks.
--
Jens Axboe
prev parent reply other threads:[~2019-08-09 3:37 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-09 2:40 [PATCH] Add arm64 memory barriers support Jackie Liu
2019-08-09 3:37 ` Jens Axboe [this message]
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