RE: [Intel-wired-lan] [PATCH] e1000e: prevent division by zero if TIMINCA is zero

2016-05-16 Thread Brown, Aaron F
at.com>; LKML <linux-kernel@vger.kernel.org>; > net...@vger.kernel.org > Subject: [Intel-wired-lan] [PATCH] e1000e: prevent division by zero if > TIMINCA is zero > > Users report that under VMWare, er32(TIMINCA) returns zero. > This causes division by zero at init time as

RE: [Intel-wired-lan] [PATCH] e1000e: prevent division by zero if TIMINCA is zero

2016-05-16 Thread Brown, Aaron F
[Intel-wired-lan] [PATCH] e1000e: prevent division by zero if > TIMINCA is zero > > Users report that under VMWare, er32(TIMINCA) returns zero. > This causes division by zero at init time as follows: > > ==>incvalue = er32(TIMINCA) & E1000_TIMIN

Re: [Intel-wired-lan] [PATCH] e1000e: prevent division by zero if TIMINCA is zero

2016-05-10 Thread Mark D Rustad
Jarod Wilson wrote: On Fri, May 06, 2016 at 11:43:17PM +, Rustad, Mark D wrote: Denys Vlasenko wrote: Users report that under VMWare, er32(TIMINCA) returns zero. This causes division by zero at init time as follows: ==>incvalue =

Re: [Intel-wired-lan] [PATCH] e1000e: prevent division by zero if TIMINCA is zero

2016-05-10 Thread Mark D Rustad
Jarod Wilson wrote: On Fri, May 06, 2016 at 11:43:17PM +, Rustad, Mark D wrote: Denys Vlasenko wrote: Users report that under VMWare, er32(TIMINCA) returns zero. This causes division by zero at init time as follows: ==>incvalue = er32(TIMINCA) &

Re: [Intel-wired-lan] [PATCH] e1000e: prevent division by zero if TIMINCA is zero

2016-05-10 Thread Jarod Wilson
On Fri, May 06, 2016 at 11:43:17PM +, Rustad, Mark D wrote: > Denys Vlasenko wrote: > > >Users report that under VMWare, er32(TIMINCA) returns zero. > >This causes division by zero at init time as follows: > > > > ==>incvalue = er32(TIMINCA) &

Re: [Intel-wired-lan] [PATCH] e1000e: prevent division by zero if TIMINCA is zero

2016-05-10 Thread Jarod Wilson
On Fri, May 06, 2016 at 11:43:17PM +, Rustad, Mark D wrote: > Denys Vlasenko wrote: > > >Users report that under VMWare, er32(TIMINCA) returns zero. > >This causes division by zero at init time as follows: > > > > ==>incvalue = er32(TIMINCA) & E1000_TIMINCA_INCVALUE_MASK; > >

Re: [Intel-wired-lan] [PATCH] e1000e: prevent division by zero if TIMINCA is zero

2016-05-06 Thread Rustad, Mark D
Denys Vlasenko wrote: Users report that under VMWare, er32(TIMINCA) returns zero. This causes division by zero at init time as follows: ==>incvalue = er32(TIMINCA) & E1000_TIMINCA_INCVALUE_MASK; for (i = 0; i < E1000_MAX_82574_SYSTIM_REREADS;

Re: [Intel-wired-lan] [PATCH] e1000e: prevent division by zero if TIMINCA is zero

2016-05-06 Thread Rustad, Mark D
Denys Vlasenko wrote: Users report that under VMWare, er32(TIMINCA) returns zero. This causes division by zero at init time as follows: ==>incvalue = er32(TIMINCA) & E1000_TIMINCA_INCVALUE_MASK; for (i = 0; i < E1000_MAX_82574_SYSTIM_REREADS; i++) {