[PATCH v4 7/8] Enable HAVE_RCU_TABLE_FREE for kvm when PARAVIRT_TLB_FLUSH is enabled

Nikunj A. Dadhania
2012-08-21T11:28:43Z

Signed-off-by: Nikunj A. Dadhania <nikunj@linux.vnet.ibm.com>
---
arch/x86/Kconfig | 11 +++++++++++
1 files changed, 11 insertions(+), 0 deletions(-)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index c70684f..354160d 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -612,6 +612,17 @@ config PARAVIRT_SPINLOCKS

If you are unsure how to answer this question, answer N.

+config PARAVIRT_TLB_FLUSH
+ bool "Paravirtualization layer for TLB Flush"
+ depends on PARAVIRT && SMP && EXPERIMENTAL
+ select HAVE_RCU_TABLE_FREE
+ ---help---
+ Paravirtualized Flush TLB replace the native implementation
+ with something virtualization-friendly (for example, set a
+ flag for sleeping vcpu and do not wait for it).
+
+ If you are unsure how to answer this question, answer N.
+
config PARAVIRT_CLOCK
bool