Messages in this thread | | | From | <> | Subject | Re: [SCSI] Set max_phys_segments to sg_tablesize | Date | Wed, 15 Oct 2003 15:37:22 +0300 |
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>>> Many SCSI host drivers assume that use_sg will be <= sg_tablesize. >>> Hence they may break under 2.6 as the number of physical segments >>> is not limited by sg_tablesize. This patch fixes that. >> >> Physical segments don't matter, hw segments does and it's bounded >by sg_tablesize.
>It does matter if the driver can't cope with it.
But this fix may hurt performance with well behaving drivers in iommu systems. It's better to fix the broken drivers I think.
--Mika
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