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),
{}
};
[-- Attachment #3: Type: text/plain, Size: 126 bytes --]
_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xen.org
http://lists.xen.org/xen-devel
next prev parent 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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=57583E8A02000078000F31FD@prv-mh.provo.novell.com \
--to=jbeulich@suse.com \
--cc=andrew.cooper3@citrix.com \
--cc=xen-devel@lists.xenproject.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).