Displaying 9 results from an estimated 9 matches for "66bb6f5".
2014 Mar 19
1
[PATCH v7 07/11] pvqspinlock, x86: Allow unfair queue spinlock in a XEN guest
...> option is selected.
>
> Signed-off-by: Waiman Long <Waiman.Long at hp.com>
> ---
> arch/x86/xen/setup.c | 19 +++++++++++++++++++
> 1 files changed, 19 insertions(+), 0 deletions(-)
>
> diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c
> index 0982233..66bb6f5 100644
> --- a/arch/x86/xen/setup.c
> +++ b/arch/x86/xen/setup.c
> @@ -625,3 +625,22 @@ void __init xen_arch_setup(void)
> numa_off = 1;
> #endif
> }
> +
> +#ifdef CONFIG_PARAVIRT_UNFAIR_LOCKS
> +/*
> + * Enable unfair lock if running in a Xen guest
> + */
>...
2014 Mar 19
1
[PATCH v7 07/11] pvqspinlock, x86: Allow unfair queue spinlock in a XEN guest
...> option is selected.
>
> Signed-off-by: Waiman Long <Waiman.Long at hp.com>
> ---
> arch/x86/xen/setup.c | 19 +++++++++++++++++++
> 1 files changed, 19 insertions(+), 0 deletions(-)
>
> diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c
> index 0982233..66bb6f5 100644
> --- a/arch/x86/xen/setup.c
> +++ b/arch/x86/xen/setup.c
> @@ -625,3 +625,22 @@ void __init xen_arch_setup(void)
> numa_off = 1;
> #endif
> }
> +
> +#ifdef CONFIG_PARAVIRT_UNFAIR_LOCKS
> +/*
> + * Enable unfair lock if running in a Xen guest
> + */
>...
2014 Mar 19
0
[PATCH v7 07/11] pvqspinlock, x86: Allow unfair queue spinlock in a XEN guest
...when the PARAVIRT_UNFAIR_LOCKS kernel config
option is selected.
Signed-off-by: Waiman Long <Waiman.Long at hp.com>
---
arch/x86/xen/setup.c | 19 +++++++++++++++++++
1 files changed, 19 insertions(+), 0 deletions(-)
diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c
index 0982233..66bb6f5 100644
--- a/arch/x86/xen/setup.c
+++ b/arch/x86/xen/setup.c
@@ -625,3 +625,22 @@ void __init xen_arch_setup(void)
numa_off = 1;
#endif
}
+
+#ifdef CONFIG_PARAVIRT_UNFAIR_LOCKS
+/*
+ * Enable unfair lock if running in a Xen guest
+ */
+static __init int xen_unfair_locks_init_jump(void)
+{
+ /*...
2014 Mar 21
0
[PATCH v7 07/11] pvqspinlock, x86: Allow unfair queue spinlock in a XEN guest
...ng<Waiman.Long at hp.com>
> >> ---
> >>?? arch/x86/xen/setup.c |?? 19 +++++++++++++++++++
> >>?? 1 files changed, 19 insertions(+), 0 deletions(-)
> >>
> >> diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c
> >> index 0982233..66bb6f5 100644
> >> --- a/arch/x86/xen/setup.c
> >> +++ b/arch/x86/xen/setup.c
> >> @@ -625,3 +625,22 @@ void __init xen_arch_setup(void)
> >>?? numa_off = 1;
> >>?? #endif
> >>?? }
> >> +
> >> +#ifdef CONFIG_PARAVIRT_UNFAIR_LO...
2014 Mar 21
0
[PATCH v7 07/11] pvqspinlock, x86: Allow unfair queue spinlock in a XEN guest
...ng<Waiman.Long at hp.com>
> >> ---
> >>?? arch/x86/xen/setup.c |?? 19 +++++++++++++++++++
> >>?? 1 files changed, 19 insertions(+), 0 deletions(-)
> >>
> >> diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c
> >> index 0982233..66bb6f5 100644
> >> --- a/arch/x86/xen/setup.c
> >> +++ b/arch/x86/xen/setup.c
> >> @@ -625,3 +625,22 @@ void __init xen_arch_setup(void)
> >>?? numa_off = 1;
> >>?? #endif
> >>?? }
> >> +
> >> +#ifdef CONFIG_PARAVIRT_UNFAIR_LO...
2014 Mar 19
15
[PATCH v7 00/11] qspinlock: a 4-byte queue spinlock with PV support
v6->v7:
- Remove an atomic operation from the 2-task contending code
- Shorten the names of some macros
- Make the queue waiter to attempt to steal lock when unfair lock is
enabled.
- Remove lock holder kick from the PV code and fix a race condition
- Run the unfair lock & PV code on overcommitted KVM guests to collect
performance data.
v5->v6:
- Change the optimized
2014 Mar 19
15
[PATCH v7 00/11] qspinlock: a 4-byte queue spinlock with PV support
v6->v7:
- Remove an atomic operation from the 2-task contending code
- Shorten the names of some macros
- Make the queue waiter to attempt to steal lock when unfair lock is
enabled.
- Remove lock holder kick from the PV code and fix a race condition
- Run the unfair lock & PV code on overcommitted KVM guests to collect
performance data.
v5->v6:
- Change the optimized
2014 Mar 12
17
[PATCH v6 00/11] qspinlock: a 4-byte queue spinlock with PV support
v5->v6:
- Change the optimized 2-task contending code to make it fairer at the
expense of a bit of performance.
- Add a patch to support unfair queue spinlock for Xen.
- Modify the PV qspinlock code to follow what was done in the PV
ticketlock.
- Add performance data for the unfair lock as well as the PV
support code.
v4->v5:
- Move the optimized 2-task contending code to the
2014 Mar 12
17
[PATCH v6 00/11] qspinlock: a 4-byte queue spinlock with PV support
v5->v6:
- Change the optimized 2-task contending code to make it fairer at the
expense of a bit of performance.
- Add a patch to support unfair queue spinlock for Xen.
- Modify the PV qspinlock code to follow what was done in the PV
ticketlock.
- Add performance data for the unfair lock as well as the PV
support code.
v4->v5:
- Move the optimized 2-task contending code to the