Re: [PATCH] scsi: mpt3sas: fix memory ordering on 64bit writes

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 2018/December/19 09:33, Martin K. Petersen wrote:
> 
> Stephan,
> 
> > With revision 09c2f95ad404, 64bit writes in _base_writeq() were rewritten
> > to use __raw_writeq() instad of writeq().
> >
> > This introduced a bug apparent on powerpc64 systems such as the Raptor
> > Talos II that causes the HBA to drop from the PCIe bus under heavy load and
> > being reinitialized after a couple of seconds.
> 
> Applied to 4.21/scsi-queue, thanks!

Thanks. Is there any way to get that backported to older kernels? 
Without that little patch, HBAs relying on the mpt3sas are quite useless 
on the affected powerpc64 systems.

> 
> -- 
> Martin K. Petersen	Oracle Linux Engineering



[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Index of Archives]     [SCSI Target Devel]     [Linux SCSI Target Infrastructure]     [Kernel Newbies]     [IDE]     [Security]     [Git]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Linux ATA RAID]     [Linux IIO]     [Samba]     [Device Mapper]

  Powered by Linux