Re: [PATCH v2 1/2] x86: make VMware support optional
From: Randy Dunlap <hidden>
Date: 2020-12-02 22:00:34
Also in:
linux-hyperv, linux-input, lkml
On 12/2/20 1:19 PM, Enrico Weigelt, metux IT consult wrote:
quoted hunk ↗ jump to hunk
Make it possible to opt-out from VMware support, for minimized kernels that never will be run under Vmware (eg. high-density virtualization or embedded systems). Average distro kernel will leave it on, therefore default to y. Signed-off-by: Enrico Weigelt <info@metux.net> --- arch/x86/Kconfig | 11 +++++++++++ arch/x86/kernel/cpu/Makefile | 4 +++- arch/x86/kernel/cpu/hypervisor.c | 2 ++ drivers/input/mouse/Kconfig | 2 +- drivers/misc/Kconfig | 2 +- drivers/ptp/Kconfig | 2 +- 6 files changed, 19 insertions(+), 4 deletions(-)diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index f6946b81f74a..eff12460cb3c 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig@@ -801,6 +801,17 @@ config X86_HV_CALLBACK_VECTOR source "arch/x86/xen/Kconfig" +config VMWARE_GUEST + bool "VMware Guest support" + default y + help + This option enables several optimizations for running under the + VMware hypervisor. + + Disabling it saves a few kb, for stripped down kernels eg. in high
kB or KiB or even KB, but not kb e.g.
+ density virtualization or embedded systems running (para)virtualized + workloads. + config KVM_GUEST bool "KVM Guest support (including kvmclock)" depends on PARAVIRT
-- ~Randy