[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date: Wed, 11 Nov 2015 12:35:48 -0500 (EST)
From: David Miller <davem@...emloft.net>
To: alexei.starovoitov@...il.com
Cc: will.deacon@....com, daniel@...earbox.net, peterz@...radead.org,
arnd@...db.de, yang.shi@...aro.org, linaro-kernel@...ts.linaro.org,
eric.dumazet@...il.com, zlim.lnx@...il.com, ast@...nel.org,
linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
xi.wang@...il.com, catalin.marinas@....com,
linux-arm-kernel@...ts.infradead.org, yhs@...mgrid.com,
bblanco@...mgrid.com
Subject: Re: [PATCH 2/2] arm64: bpf: add BPF XADD instruction
From: Alexei Starovoitov <alexei.starovoitov@...il.com>
Date: Wed, 11 Nov 2015 09:27:00 -0800
> BPF_XADD == atomic_add() in kernel. period.
> we are not going to deprecate it or introduce something else.
Agreed, it makes no sense to try and tie C99 or whatever atomic
semantics to something that is already clearly defined to have
exactly kernel atomic_add() semantics.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists