plain text document attachment (xx-paravirt-kconfig.patch)
Add the config options for paravirt_ops and x86_64
Signed-off-by: Steven Rostedt srostedt@xxxxxxxxxx
Signed-off-by: Glauber de Oliveira Costa <gcosta@xxxxxxxxxx>
Index: clean-start/arch/x86_64/Kconfig.debug
===================================================================
--- clean-start.orig/arch/x86_64/Kconfig.debug
+++ clean-start/arch/x86_64/Kconfig.debug
@@ -55,6 +55,17 @@ config DEBUG_STACK_USAGE
This option will slow down process creation somewhat.
+config DEBUG_PARAVIRT
+ bool "Enable some paravirtualization debugging"
+ default y
+ depends on PARAVIRT && DEBUG_KERNEL
+ help
+ Currently deliberately clobbers regs which are allowed to be
+ clobbered in inlined paravirt hooks, even in native mode.
+ If turning this off solves a problem, then DISABLE_INTERRUPTS() or
+ ENABLE_INTERRUPTS() is lying about what registers can be clobbered.
+
+
#config X86_REMOTE_DEBUG
# bool "kgdb debugging stub"
Index: clean-start/arch/x86_64/Kconfig
===================================================================
--- clean-start.orig/arch/x86_64/Kconfig
+++ clean-start/arch/x86_64/Kconfig
@@ -349,6 +349,18 @@ config NODES_SHIFT
# Dummy CONFIG option to select ACPI_NUMA from drivers/acpi/Kconfig.
+config PARAVIRT
+ bool "Paravirtualization support (EXPERIMENTAL)"
+ depends on EXPERIMENTAL
+ help
+ Paravirtualization is a way of running multiple instances of
+ Linux on the same machine, under a hypervisor. This option
+ changes the kernel so it can modify itself when it is run
+ under a hypervisor, improving performance significantly.
+ However, when run without a hypervisor the kernel is
+ theoretically slower. If in doubt, say N.
+
+
config X86_64_ACPI_NUMA
bool "ACPI NUMA detection"
depends on NUMA
--
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