RE: [PATCH 1/1] hv: Use only one txf buffer per channel and kmallocon initialize

From: Hank Janssen
Date: Mon Dec 13 2010 - 17:57:22 EST




-----Original Message-----
>From: Evgeniy Polyakov [mailto:zbr@xxxxxxxxxxx]
>Sent: Monday, December 13, 2010 2:04 PM
>
>On Mon, Dec 13, 2010 at 01:14:21PM -0800, Hank Janssen (hjanssen@xxxxxxxxxxxxx) wrote:
>> +static u8 *shut_txf_buf;
>> +static u8 *time_txf_buf;
>> +static u8 *hbeat_txf_buf;
>
>Those are accessed without any kind of synchronization. I do not know exact context, but are you sure it is single-threaded?

The hv_utils driver services are all single threaded. The other drivers are not, but this one is.

Hank.


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/