diff mbox

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

Message ID 20120821112741.3512.7652.stgit@abhimanyu (mailing list archive)
State New, archived
Headers show

Commit Message

Nikunj A. Dadhania Aug. 21, 2012, 11:27 a.m. UTC 
Signed-off-by: Nikunj A. Dadhania <nikunj@linux.vnet.ibm.com>
---
 arch/x86/Kconfig |   11 +++++++++++
 1 files changed, 11 insertions(+), 0 deletions(-)


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diff mbox

Patch

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