* Christian Borntraeger borntrae...@de.ibm.com wrote:
By all means!
You'll first need to cherry-pick these commits:
927609d622a3 kernel: tighten rules for ACCESS ONCE
c5b19946eb76 kernel: Fix sparse warning for ACCESS_ONCE
dd36929720f4 kernel: make READ_ONCE() valid on const
* Greg KH gre...@linuxfoundation.org wrote:
It's:
d6abfdb20223 x86/spinlocks/paravirt: Fix memory corruption on unlock
Yes, This is the original patch. Please note I have taken out the
READ_ONCE changes from the original patch to avoid build warnings
mentioned below.
(Those
Am 25.02.2015 um 11:08 schrieb Ingo Molnar:
* Greg KH gre...@linuxfoundation.org wrote:
It's:
d6abfdb20223 x86/spinlocks/paravirt: Fix memory corruption on unlock
Yes, This is the original patch. Please note I have taken out the
READ_ONCE changes from the original patch to avoid build
Paravirt spinlock clears slowpath flag after doing unlock.
As explained by Linus currently it does:
prev = *lock;
add_smp(lock-tickets.head, TICKET_LOCK_INC);
/* add_smp() is a full mb() */
if (unlikely(lock-tickets.tail
On Tue, Feb 24, 2015 at 03:47:37PM +0100, Ingo Molnar wrote:
* Greg KH gre...@linuxfoundation.org wrote:
On Tue, Feb 24, 2015 at 02:54:59PM +0530, Raghavendra K T wrote:
Paravirt spinlock clears slowpath flag after doing unlock.
As explained by Linus currently it does:
On Tue, Feb 24, 2015 at 02:54:59PM +0530, Raghavendra K T wrote:
Paravirt spinlock clears slowpath flag after doing unlock.
As explained by Linus currently it does:
prev = *lock;
add_smp(lock-tickets.head, TICKET_LOCK_INC);
/* add_smp() is a
* Greg KH gre...@linuxfoundation.org wrote:
On Tue, Feb 24, 2015 at 02:54:59PM +0530, Raghavendra K T wrote:
Paravirt spinlock clears slowpath flag after doing unlock.
As explained by Linus currently it does:
prev = *lock;
add_smp(lock-tickets.head,
On Tue, Feb 24, 2015 at 11:49:13PM +0530, Raghavendra K T wrote:
On 02/24/2015 08:17 PM, Ingo Molnar wrote:
* Greg KH gre...@linuxfoundation.org wrote:
On Tue, Feb 24, 2015 at 02:54:59PM +0530, Raghavendra K T wrote:
Paravirt spinlock clears slowpath flag after doing unlock.
As explained
On 02/24/2015 08:50 PM, Greg KH wrote:
On Tue, Feb 24, 2015 at 03:47:37PM +0100, Ingo Molnar wrote:
* Greg KH gre...@linuxfoundation.org wrote:
On Tue, Feb 24, 2015 at 02:54:59PM +0530, Raghavendra K T wrote:
Paravirt spinlock clears slowpath flag after doing unlock.
As explained by Linus
On 02/24/2015 08:17 PM, Ingo Molnar wrote:
* Greg KH gre...@linuxfoundation.org wrote:
On Tue, Feb 24, 2015 at 02:54:59PM +0530, Raghavendra K T wrote:
Paravirt spinlock clears slowpath flag after doing unlock.
As explained by Linus currently it does:
prev = *lock;
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