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From: Thomas Monjalon <thomas.monjalon@6wind.com>
Organization: 6WIND
To: "=?iso-8859-1?q?Fran=E7ois-Fr=E9d=E9ric?= Ozog" <ff@ozog.com>
Date: Thu, 19 Dec 2013 17:41:08 +0100
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Cc: dev@dpdk.org
Subject: Re: [dpdk-dev] Bit spinlocks in DPDK
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07/12/2013 18:54, Fran=E7ois-Fr=E9d=E9ric Ozog :
> > De Thomas Monjalon
> > 06/12/2013 14:12, Pashupati Kumar :
> > > I am looking for spinlocks that use a single bit (bit 31) of a 32 bit
> > > word for locking. The rest of the bits in the word are left
> > > undisturbed.  This enables more compact data structures as only 1 bit
> > > is consumed for the lock.
> >=20
> > Oh yes, like test_and_set_bit_lock() in Linux:
> > 	http://lxr.free-electrons.com/source/arch/ia64/include/asm/bitops.h?v=
=3D3.12#L205
> >=20
> > I think that a patch would be appreciated :)
>=20
> I assume you mean the x64 version, not the ia64:
> http://lxr.free-electrons.com/source/arch/x86/include/asm/bitops.h.

Yes you're right.

> What is the policy to share a sample program: inline in a mail or as a
> attachment?

Inline should be fine. It allows to comment.

> What is the policy to submit a patch?

It's now explained here:
http://dpdk.org/dev#send

=2D-=20
Thomas