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...h/x86/kernel/paravirt-spinlocks.c | 6 + kernel/locking/qspinlock.c | 72 ++++++- 6 files changed, 558 insertions(+), 7 deletions(-) create mode 100644 arch/x86/include/asm/pvqspinlock.h diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h index cd6e161..3b041db 100644 --- a/arch/x86/include/asm/paravirt.h +++ b/arch/x86/include/asm/paravirt.h @@ -712,6 +712,25 @@ static inline void __set_fixmap(unsigned /* enum fixed_addresses */ idx, #if defined(CONFIG_SMP) && defined(CONFIG_PARAVIRT_SPINLOCKS) +#ifdef CONFIG_QUEUE_SPINLOCK + +static __alway...

...h/x86/kernel/paravirt-spinlocks.c | 6 + kernel/locking/qspinlock.c | 72 ++++++- 6 files changed, 558 insertions(+), 7 deletions(-) create mode 100644 arch/x86/include/asm/pvqspinlock.h diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h index cd6e161..3b041db 100644 --- a/arch/x86/include/asm/paravirt.h +++ b/arch/x86/include/asm/paravirt.h @@ -712,6 +712,25 @@ static inline void __set_fixmap(unsigned /* enum fixed_addresses */ idx, #if defined(CONFIG_SMP) && defined(CONFIG_PARAVIRT_SPINLOCKS) +#ifdef CONFIG_QUEUE_SPINLOCK + +static __alway...

v11->v12: - Based on PeterZ's version of the qspinlock patch (https://lkml.org/lkml/2014/6/15/63). - Incorporated many of the review comments from Konrad Wilk and Paolo Bonzini. - The pvqspinlock code is largely from my previous version with PeterZ's way of going from queue tail to head and his idea of using callee saved calls to KVM and XEN codes. v10->v11: - Use a

v11->v12: - Based on PeterZ's version of the qspinlock patch (https://lkml.org/lkml/2014/6/15/63). - Incorporated many of the review comments from Konrad Wilk and Paolo Bonzini. - The pvqspinlock code is largely from my previous version with PeterZ's way of going from queue tail to head and his idea of using callee saved calls to KVM and XEN codes. v10->v11: - Use a