* [GIT PULL rcu/urgent] Allow SRCU readers in irq handlers for KVM
@ 2017-06-09 1:45 Paul E. McKenney
2017-06-09 6:18 ` Ingo Molnar
0 siblings, 1 reply; 2+ messages in thread
From: Paul E. McKenney @ 2017-06-09 1:45 UTC (permalink / raw)
To: mingo; +Cc: linux-kernel, linuc.decode, kvm, pbonzini
Hello, Ingo,
This series enables srcu_read_lock() and srcu_read_unlock to be used from
interrupt handlers, which fixes a bug in KVM's use of SRCU in delivery
of interrupts to guest OSes. These patches have been exposed to 0day
Test Robot and to -next testing, have been tested by the KVM folks,
and were posted to LKML:
http://lkml.kernel.org/r/20170605220919.GA27820@linux.vnet.ibm.com
These changes, based on v4.2-rc4, are available in the git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git rcu/urgent
for you to fetch changes up to 1123a6041654e8f889014659593bad4168e542c2:
srcu: Allow use of Classic SRCU from both process and interrupt context (2017-06-08 08:25:19 -0700)
----------------------------------------------------------------
Paolo Bonzini (2):
srcu: Allow use of Tiny/Tree SRCU from both process and interrupt context
srcu: Allow use of Classic SRCU from both process and interrupt context
include/linux/srcu.h | 2 --
kernel/rcu/srcu.c | 5 ++---
kernel/rcu/srcutiny.c | 7 ++++---
kernel/rcu/srcutree.c | 5 ++---
4 files changed, 8 insertions(+), 11 deletions(-)
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [GIT PULL rcu/urgent] Allow SRCU readers in irq handlers for KVM
2017-06-09 1:45 [GIT PULL rcu/urgent] Allow SRCU readers in irq handlers for KVM Paul E. McKenney
@ 2017-06-09 6:18 ` Ingo Molnar
0 siblings, 0 replies; 2+ messages in thread
From: Ingo Molnar @ 2017-06-09 6:18 UTC (permalink / raw)
To: Paul E. McKenney; +Cc: linux-kernel, linuc.decode, kvm, pbonzini
* Paul E. McKenney <paulmck@linux.vnet.ibm.com> wrote:
> Hello, Ingo,
>
> This series enables srcu_read_lock() and srcu_read_unlock to be used from
> interrupt handlers, which fixes a bug in KVM's use of SRCU in delivery
> of interrupts to guest OSes. These patches have been exposed to 0day
> Test Robot and to -next testing, have been tested by the KVM folks,
> and were posted to LKML:
>
> http://lkml.kernel.org/r/20170605220919.GA27820@linux.vnet.ibm.com
>
> These changes, based on v4.2-rc4, are available in the git repository at:
>
> git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git rcu/urgent
>
> for you to fetch changes up to 1123a6041654e8f889014659593bad4168e542c2:
>
> srcu: Allow use of Classic SRCU from both process and interrupt context (2017-06-08 08:25:19 -0700)
>
> ----------------------------------------------------------------
> Paolo Bonzini (2):
> srcu: Allow use of Tiny/Tree SRCU from both process and interrupt context
> srcu: Allow use of Classic SRCU from both process and interrupt context
>
> include/linux/srcu.h | 2 --
> kernel/rcu/srcu.c | 5 ++---
> kernel/rcu/srcutiny.c | 7 ++++---
> kernel/rcu/srcutree.c | 5 ++---
> 4 files changed, 8 insertions(+), 11 deletions(-)
Pulled, thanks a lot Paul!
Ingo
^ permalink raw reply [flat|nested] 2+ messages in thread
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2017-06-09 1:45 [GIT PULL rcu/urgent] Allow SRCU readers in irq handlers for KVM Paul E. McKenney
2017-06-09 6:18 ` Ingo Molnar
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