Messages in this thread | | | Date | Wed, 7 Dec 2005 10:30:25 -0200 | From | Luiz Fernando Capitulino <> | Subject | Re: [linux-usb-devel] Re: [PATCH 00/10] usb-serial: Switches from spin lock to atomic_t. |
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On Wed, 07 Dec 2005 13:27:13 +0100 Arjan van de Ven <arjan@infradead.org> wrote:
| | > Isn't it right? Is the URB write so fast that switching to atomic_t | > doesn't pay-off? | | an atomic_t access and a spinlock are basically the same price... so | what's the payoff ?
One lock less, clean and less error prone code.
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