linux-kernel - [tip:x86/cpu] ACPI, x86: Add Zhaoxin processors support for NONSTOP TSC

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:   Sat, 22 Jun 2019 03:17:42 -0700
From:   tip-bot for Tony W Wang-oc <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     gregkh@...uxfoundation.org, DavidWang@...oxin.com,
        HerryYang@...oxin.com, TonyWWang-oc@...oxin.com,
        CooperYan@...oxin.com, QiyuanWang@...oxin.com,
        linux-kernel@...r.kernel.org, hpa@...or.com, rjw@...ysocki.net,
        lenb@...nel.org, mingo@...nel.org, tglx@...utronix.de
Subject: [tip:x86/cpu] ACPI, x86: Add Zhaoxin processors support for NONSTOP
 TSC

Commit-ID:  773b2f30a3fc026f3ed121a8b945b0ae19b64ec5
Gitweb:     https://git.kernel.org/tip/773b2f30a3fc026f3ed121a8b945b0ae19b64ec5
Author:     Tony W Wang-oc <TonyWWang-oc@...oxin.com>
AuthorDate: Tue, 18 Jun 2019 08:37:14 +0000
Committer:  Thomas Gleixner <tglx@...utronix.de>
CommitDate: Sat, 22 Jun 2019 11:45:57 +0200

ACPI, x86: Add Zhaoxin processors support for NONSTOP TSC

Zhaoxin CPUs have NONSTOP TSC feature, so enable the ACPI
driver support for it.

Signed-off-by: Tony W Wang-oc <TonyWWang-oc@...oxin.com>
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Cc: "hpa@...or.com" <hpa@...or.com>
Cc: "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>
Cc: "rjw@...ysocki.net" <rjw@...ysocki.net>
Cc: "lenb@...nel.org" <lenb@...nel.org>
Cc: David Wang <DavidWang@...oxin.com>
Cc: "Cooper Yan(BJ-RD)" <CooperYan@...oxin.com>
Cc: "Qiyuan Wang(BJ-RD)" <QiyuanWang@...oxin.com>
Cc: "Herry Yang(BJ-RD)" <HerryYang@...oxin.com>
Link: https://lkml.kernel.org/r/d1cfd937dabc44518d42038b55522c53@zhaoxin.com

---
 drivers/acpi/acpi_pad.c       | 1 +
 drivers/acpi/processor_idle.c | 1 +
 2 files changed, 2 insertions(+)

diff --git a/drivers/acpi/acpi_pad.c b/drivers/acpi/acpi_pad.c
index 6b3f1217a237..e7dc0133f817 100644
--- a/drivers/acpi/acpi_pad.c
+++ b/drivers/acpi/acpi_pad.c
@@ -64,6 +64,7 @@ static void power_saving_mwait_init(void)
 	case X86_VENDOR_HYGON:
 	case X86_VENDOR_AMD:
 	case X86_VENDOR_INTEL:
+	case X86_VENDOR_ZHAOXIN:
 		/*
 		 * AMD Fam10h TSC will tick in all
 		 * C/P/S0/S1 states when this bit is set.
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index e387a258d649..ed56c6d20b08 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -196,6 +196,7 @@ static void tsc_check_state(int state)
 	case X86_VENDOR_AMD:
 	case X86_VENDOR_INTEL:
 	case X86_VENDOR_CENTAUR:
+	case X86_VENDOR_ZHAOXIN:
 		/*
 		 * AMD Fam10h TSC will tick in all
 		 * C/P/S0/S1 states when this bit is set.