>-----Original Message----- >From: James Bottomley [mailto:jbottomley@xxxxxxxxxxxxx] >Sent: Thursday, October 17, 2013 3:15 AM >To: Saxena, Sumit >Cc: linux-scsi@xxxxxxxxxxxxxxx; Desai, Kashyap; aradford@xxxxxxxxx >Subject: Re: [PATCH][SCSI] megaraid_sas: Fix synchronization problem >between sysPD IO path and AEN path > >On Wed, 2013-10-16 at 17:04 +0530, Sumit.Saxena@xxxxxxx wrote: >> There is syncronization problem between sysPD IO path and AEN path. >> Driver maintains instance->pd_list[] array, which will get updated(by >> calling function megasas_get_pd_list[]), whenever any of below events >> occurs- >> >> MR_EVT_PD_INSERTED >> MR_EVT_PD_REMOVED >> MR_EVT_CTRL_HOST_BUS_SCAN_REQUESTED >> MR_EVT_FOREIGN_CFG_IMPORTED >> >> At same time running sysPD IO will be accessing the same array >> instance->pd_list[], which is getting updated in AEN path, because of >this IO may not get correct PD info from instance->pd_list[] array. >> >> Signed-off-by: Adam Radford <adam.radford@xxxxxxx> >> Signed-off-by: Sumit Saxena <sumit.saxena@xxxxxxx> > >Explain the signoff chain: is this a joinly authored patch? Yes, it's jointly authored patch. Originally, this patch is authored by Adam Radford, and then modified by me(Sumit Saxena). > >James > -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
