Re: [PATCH v2 00/19] prevent bounds-check bypass via speculative execution

On Fri, Jan 12, 2018 at 4:15 PM, Tony Luck wrote: > > Here there isn't any reason for speculation. The core has the > value of 'x' in a register and the upper bound encoded into the > "cmp" instruction. Both are right there, no waiting, no speculation. So this is an argument I haven't seen befor

Re: [PATCH v2 3/4] scsi: Avoid that .queuecommand() gets called for a quiesced SCSI device

On Fri, Jan 12, 2018 at 10:45:57PM +, Bart Van Assche wrote: > On Thu, 2018-01-11 at 10:23 +0800, Ming Lei wrote: > > > not sufficient to prevent .queuecommand() calls from scsi_send_eh_cmnd(). > > > > Given it is error handling, do we need to prevent the .queuecommand() call > > in scsi_send_

Re: [PATCH v2 4/4] IB/srp: Fix a sleep-in-invalid-context bug

On Wed, Jan 10, 2018 at 10:18:17AM -0800, Bart Van Assche wrote: > The previous two patches guarantee that srp_queuecommand() does not get > invoked while reconnecting occurs. Hence remove the code from > srp_queuecommand() that prevents command queueing while reconnecting. > This patch avoids that