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From: Igor Druzhinin <igor.druzhinin@citrix.com>
To: <xen-devel@lists.xenproject.org>
Cc: <jbeulich@suse.com>, <andrew.cooper3@citrix.com>,
	<roger.pau@citrix.com>, <wl@xen.org>, <jun.nakajima@intel.com>,
	<kevin.tian@intel.com>,
	"Igor Druzhinin" <igor.druzhinin@citrix.com>
Subject: [PATCH v2] x86/intel: insert Ice Lake X (server) model numbers
Date: Mon, 19 Oct 2020 03:47:26 +0100	[thread overview]
Message-ID: <1603075646-24995-1-git-send-email-igor.druzhinin@citrix.com> (raw)

LBR, C-state MSRs and if_pschange_mc erratum applicability should correspond
to Ice Lake desktop according to External Design Specification vol.2.

Signed-off-by: Igor Druzhinin <igor.druzhinin@citrix.com>
---
Changes in v2:
- keep partial sorting

Andrew, since you have access to these documents, please review as you have time.
---
 xen/arch/x86/acpi/cpu_idle.c | 1 +
 xen/arch/x86/hvm/vmx/vmx.c   | 3 ++-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/xen/arch/x86/acpi/cpu_idle.c b/xen/arch/x86/acpi/cpu_idle.c
index 27e0b52..eca423c 100644
--- a/xen/arch/x86/acpi/cpu_idle.c
+++ b/xen/arch/x86/acpi/cpu_idle.c
@@ -181,6 +181,7 @@ static void do_get_hw_residencies(void *arg)
     case 0x55:
     case 0x5E:
     /* Ice Lake */
+    case 0x6A:
     case 0x7D:
     case 0x7E:
     /* Kaby Lake */
diff --git a/xen/arch/x86/hvm/vmx/vmx.c b/xen/arch/x86/hvm/vmx/vmx.c
index 86b8916..8382917 100644
--- a/xen/arch/x86/hvm/vmx/vmx.c
+++ b/xen/arch/x86/hvm/vmx/vmx.c
@@ -2427,6 +2427,7 @@ static bool __init has_if_pschange_mc(void)
     case 0x4e: /* Skylake M */
     case 0x5e: /* Skylake D */
     case 0x55: /* Skylake-X / Cascade Lake */
+    case 0x6a: /* Ice Lake-X */
     case 0x7d: /* Ice Lake */
     case 0x7e: /* Ice Lake */
     case 0x8e: /* Kaby / Coffee / Whiskey Lake M */
@@ -2775,7 +2776,7 @@ static const struct lbr_info *last_branch_msr_get(void)
         /* Goldmont Plus */
         case 0x7a:
         /* Ice Lake */
-        case 0x7d: case 0x7e:
+        case 0x6a: case 0x7d: case 0x7e:
         /* Tremont */
         case 0x86:
         /* Kaby Lake */
-- 
2.7.4



             reply	other threads:[~2020-10-19  2:48 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-19  2:47 Igor Druzhinin [this message]
2020-12-21 16:36 ` [PATCH v2] x86/intel: insert Ice Lake X (server) model numbers Jan Beulich
2020-12-22  1:39   ` Igor Druzhinin

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