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Subject: Re: [Qemu-devel] [PATCH] ahci.c: mask the interrupt on complete
 flag to allow ahci.c to read the correct size for the PRDT
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To: Reza Jelveh <reza.jelveh@gmail.com>
Cc: qemu-devel@nongnu.org


On 06/26/2014 07:28 PM, Reza Jelveh wrote:
> +#define AHCI_PRDT_SIZE_MASK                0x3fffff
>
out of rampant curiosity, is there ever a case where the lower bits 
might be set and the mask 0x3fffc is not desirable, or can we always 
trust those bits to simply be off anyway?