On Fri, Aug 27, 2021 at 01:33:44AM -0400, Kate Hsuan wrote: > A flag ATA_HORKAGE_NONCQ_ON_ASMEDIA_AMD_MARVELL is added to disable NCQ > on AMD/MAREL/ASMEDIA chipsets. > > Samsung 860/870 SSD are disabled to use NCQ trim functions but it will > lead to performace drop. From the bugzilla, we could realize the issues > only appears on those chipset mentioned above. So this flag could be > used to only disable NCQ on specific chipsets. > > Fixes: ca6bfcb2f6d9 ("libata: Enable queued TRIM for Samsung SSD 860") > BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=203475 > Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx> > Reviewed-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx> > Signed-off-by: Kate Hsuan <hpa@xxxxxxxxxx> > --- > drivers/ata/libata-core.c | 37 ++++++++++++++++++++++++++++++++----- > include/linux/libata.h | 3 +++ > 2 files changed, 35 insertions(+), 5 deletions(-) <formletter> This is not the correct way to submit patches for inclusion in the stable kernel tree. Please read: https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html for how to do this properly. </formletter>