, "Paul McKenney"
> > , "David Howells"
> > Sent: Friday, February 6, 2015 10:03:59 AM
> > Subject: Re: [PATCH] llist: Fix missing memory barrier
> >
> > On Fri, Feb 06, 2015 at 02:12:32PM +, Mathieu Desnoyers wrote:
> > > - Ori
- Original Message -
> From: "Peter Hurley"
> To: "Mathieu Desnoyers" , "Pranith Kumar"
>
> Cc: "Huang Ying" , "LKML"
> , "Paul McKenney"
> , "David Howells" , "Greg
> Kroah-Hartman&q
- Original Message -
> From: "Greg Kroah-Hartman"
> To: "Mathieu Desnoyers"
> Cc: "Pranith Kumar" , "Huang Ying"
> , "LKML"
> , "Paul McKenney" ,
> "David Howells"
> Sent: Friday, February 6, 20
On 02/06/2015 09:12 AM, Mathieu Desnoyers wrote:
> - Original Message -
>> From: "Pranith Kumar"
>> To: "Mathieu Desnoyers"
>> Cc: "Huang Ying" , "LKML"
>> , "Paul McKenney"
>> , "David Howells"
, "David Howells"
> > Sent: Thursday, February 5, 2015 10:44:07 PM
> > Subject: Re: [PATCH] llist: Fix missing memory barrier
> >
> > Hi Mathieu,
> >
> > On Thu, Feb 5, 2015 at 10:06 PM, Mathieu Desnoyers
> > wrote:
> > > A smp_read_bar
- Original Message -
> From: "Pranith Kumar"
> To: "Mathieu Desnoyers"
> Cc: "Huang Ying" , "LKML"
> , "Paul McKenney"
> , "David Howells"
> Sent: Thursday, February 5, 2015 10:44:07 PM
> Subject: Re: [P
Hi Mathieu,
On Thu, Feb 5, 2015 at 10:06 PM, Mathieu Desnoyers
wrote:
> A smp_read_barrier_depends() appears to be missing in llist_del_first().
> It should only matter for Alpha in practice. Adding it after the check
> of entry against NULL allows skipping the barrier in a common case.
We recen
A smp_read_barrier_depends() appears to be missing in llist_del_first().
It should only matter for Alpha in practice. Adding it after the check
of entry against NULL allows skipping the barrier in a common case.
Signed-off-by: Mathieu Desnoyers
CC: Huang Ying
CC: Paul McKenney
CC: David Howells
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