Re: [Qemu-devel] [PATCH] ide: set WCACHE supported in IDENTIFY data

2010-10-08 Thread Kevin Wolf
Am 04.10.2010 15:29, schrieb Christoph Hellwig: > ATA does not only have the WCACHE enabled bit in identify word 85, but also > a WCACHE supported bit in word 82. While the Linux kernel is fine with the > latter at least hdparm also needs the former before correctly displaying > the cache settings

[Qemu-devel] [PATCH] ide: set WCACHE supported in IDENTIFY data

2010-10-04 Thread Christoph Hellwig
ATA does not only have the WCACHE enabled bit in identify word 85, but also a WCACHE supported bit in word 82. While the Linux kernel is fine with the latter at least hdparm also needs the former before correctly displaying the cache settings. There's also a non-zero chance other operating system