Re: [Qemu-devel] [PATCH for-2.3 0/4] ahci: fix big endian PIO failures

["Andreas Färber" <afaerber@suse.de>]

Am 20.03.2015 um 01:24 schrieb John Snow:
> Two issues were unearthed from ahci-test on ppc64:
> 
> (1) The ahci_populate_sglist function had endian issues,
>     which is only likely to impact PIO transfers for buffers
>     greater than one sector, and
> 
> (2) multiple-sector PIO which I attempted to repair in
>     36334faf has been broken for years. ahci-test didn't catch
>     this because it used a pattern that was identical for each
>     sector.
> 
>     So the pattern has been corrected and the underlying issue
>     fixed.
> 
> This should clear up the test failures (properly) for ppc64.
> 
> John Snow (4):
>   ide: fix cmd_write_pio when nsectors > 1
>   ide: fix cmd_read_pio when nsectors > 1
>   ahci: Fix sglist offset manipulation for BE machines
>   ahci-test: improve rw buffer patterns

Confirming that it resolves the observed failure,

Tested-by: Andreas Färber <afaerber@suse.de>

Thanks for the quick fix,

Andreas

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