SKX is similar to BDX
Signed-off-by: Len Brown <len.br...@intel.com>
[Linux commit: f9e71657c2c0a8f1c50884ab45794be2854e158e]
Signed-off-by: Jan Beulich <jbeul...@suse.com>
--- a/xen/arch/x86/cpu/mwait-idle.c
+++ b/xen/arch/x86/cpu/mwait-idle.c
@@ -530,6 +530,28 @@ static struct cpuidle_state skl_cstates[
{}
};
+static const struct cpuidle_state skx_cstates[] = {
+ {
+ .name = "C1-SKX",
+ .flags = MWAIT2flg(0x00),
+ .exit_latency = 2,
+ .target_residency = 2,
+ },
+ {
+ .name = "C1E-SKX",
+ .flags = MWAIT2flg(0x01),
+ .exit_latency = 10,
+ .target_residency = 20,
+ },
+ {
+ .name = "C6-SKX",
+ .flags = MWAIT2flg(0x20) | CPUIDLE_FLAG_TLB_FLUSHED,
+ .exit_latency = 133,
+ .target_residency = 600,
+ },
+ {}
+};
+
static const struct cpuidle_state atom_cstates[] = {
{
.name = "C1E-ATM",
@@ -757,6 +779,11 @@ static const struct idle_cpu idle_cpu_sk
.disable_promotion_to_c1e = 1,
};
+static const struct idle_cpu idle_cpu_skx = {
+ .state_table = skx_cstates,
+ .disable_promotion_to_c1e = 1,
+};
+
static const struct idle_cpu idle_cpu_avn = {
.state_table = avn_cstates,
.disable_promotion_to_c1e = 1,
@@ -798,6 +825,7 @@ static const struct x86_cpu_id intel_idl
ICPU(0x56, bdw),
ICPU(0x4e, skl),
ICPU(0x5e, skl),
+ ICPU(0x55, skx),
ICPU(0x57, knl),
{}
};
mwait-idle: add SKX support
SKX is similar to BDX
Signed-off-by: Len Brown <len.br...@intel.com>
[Linux commit: f9e71657c2c0a8f1c50884ab45794be2854e158e]
Signed-off-by: Jan Beulich <jbeul...@suse.com>
--- a/xen/arch/x86/cpu/mwait-idle.c
+++ b/xen/arch/x86/cpu/mwait-idle.c
@@ -530,6 +530,28 @@ static struct cpuidle_state skl_cstates[
{}
};
+static const struct cpuidle_state skx_cstates[] = {
+ {
+ .name = "C1-SKX",
+ .flags = MWAIT2flg(0x00),
+ .exit_latency = 2,
+ .target_residency = 2,
+ },
+ {
+ .name = "C1E-SKX",
+ .flags = MWAIT2flg(0x01),
+ .exit_latency = 10,
+ .target_residency = 20,
+ },
+ {
+ .name = "C6-SKX",
+ .flags = MWAIT2flg(0x20) | CPUIDLE_FLAG_TLB_FLUSHED,
+ .exit_latency = 133,
+ .target_residency = 600,
+ },
+ {}
+};
+
static const struct cpuidle_state atom_cstates[] = {
{
.name = "C1E-ATM",
@@ -757,6 +779,11 @@ static const struct idle_cpu idle_cpu_sk
.disable_promotion_to_c1e = 1,
};
+static const struct idle_cpu idle_cpu_skx = {
+ .state_table = skx_cstates,
+ .disable_promotion_to_c1e = 1,
+};
+
static const struct idle_cpu idle_cpu_avn = {
.state_table = avn_cstates,
.disable_promotion_to_c1e = 1,
@@ -798,6 +825,7 @@ static const struct x86_cpu_id intel_idl
ICPU(0x56, bdw),
ICPU(0x4e, skl),
ICPU(0x5e, skl),
+ ICPU(0x55, skx),
ICPU(0x57, knl),
{}
};
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