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From: "Jan Beulich" <JBeulich@suse.com>
To: xen-devel <xen-devel@lists.xenproject.org>
Cc: Andrew Cooper <andrew.cooper3@citrix.com>
Subject: [PATCH 1/5] mwait-idle: add SKX support
Date: Wed, 08 Jun 2016 07:49:30 -0600	[thread overview]
Message-ID: <57583E8A02000078000F31FD@prv-mh.provo.novell.com> (raw)
In-Reply-To: <57583E0D02000078000F31F2@prv-mh.provo.novell.com>

[-- Attachment #1: Type: text/plain, Size: 1374 bytes --]

SKX is similar to BDX

Signed-off-by: Len Brown <len.brown@intel.com>
[Linux commit: f9e71657c2c0a8f1c50884ab45794be2854e158e]
Signed-off-by: Jan Beulich <jbeulich@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),
 	{}
 };




[-- Attachment #2: x86-mwait-idle-SKX.patch --]
[-- Type: text/plain, Size: 1399 bytes --]

mwait-idle: add SKX support

SKX is similar to BDX

Signed-off-by: Len Brown <len.brown@intel.com>
[Linux commit: f9e71657c2c0a8f1c50884ab45794be2854e158e]
Signed-off-by: Jan Beulich <jbeulich@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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  reply	other threads:[~2016-06-08 13:49 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-06-08 13:47 [PATCH 0/5] x86: mwait-idle updates Jan Beulich
2016-06-08 13:49 ` Jan Beulich [this message]
2016-06-08 13:50 ` [PATCH 2/5] mwait-idle: add KBL support Jan Beulich
2016-06-08 13:50 ` [PATCH 3/5] mwait-idle: add BXT support Jan Beulich
2016-06-08 13:51 ` [PATCH 4/5] mwait-idle: add a missing __init annotation Jan Beulich
2016-06-08 13:51 ` [PATCH 5/5] mwait-idle: correct/improve BXT support Jan Beulich
2016-06-09 13:20 ` [PATCH 0/5] x86: mwait-idle updates Andrew Cooper
2016-06-09 13:33   ` Jan Beulich

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