From: tip-bot for Pu Wen <tipbot@zytor.com>
To: linux-tip-commits@vger.kernel.org
Cc: puwen@hygon.cn, bp@suse.de, tglx@linutronix.de, hpa@zytor.com,
mingo@kernel.org, linux-kernel@vger.kernel.org
Subject: [tip:x86/cpu] x86/apic: Add Hygon Dhyana support
Date: Thu, 27 Sep 2018 10:05:34 -0700 [thread overview]
Message-ID: <tip-da33dfef404174b0b452f4d2a9a9e00801794f3a@git.kernel.org> (raw)
In-Reply-To: <7a557265a8c7c9e842fe60f9d8e064458801aef3.1537533369.git.puwen@hygon.cn>
Commit-ID: da33dfef404174b0b452f4d2a9a9e00801794f3a
Gitweb: https://git.kernel.org/tip/da33dfef404174b0b452f4d2a9a9e00801794f3a
Author: Pu Wen <puwen@hygon.cn>
AuthorDate: Sun, 23 Sep 2018 17:35:28 +0800
Committer: Borislav Petkov <bp@suse.de>
CommitDate: Thu, 27 Sep 2018 18:28:58 +0200
x86/apic: Add Hygon Dhyana support
Add Hygon Dhyana support to the APIC subsystem. When running in 32 bit
mode, bigsmp should be enabled if there are more than 8 cores online.
Signed-off-by: Pu Wen <puwen@hygon.cn>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Borislav Petkov <bp@suse.de>
Cc: tglx@linutronix.de
Cc: mingo@redhat.com
Cc: hpa@zytor.com
Cc: x86@kernel.org
Cc: thomas.lendacky@amd.com
Link: https://lkml.kernel.org/r/7a557265a8c7c9e842fe60f9d8e064458801aef3.1537533369.git.puwen@hygon.cn
---
arch/x86/kernel/apic/apic.c | 7 +++++++
arch/x86/kernel/apic/probe_32.c | 1 +
2 files changed, 8 insertions(+)
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index 84132eddb5a8..ab731ab09f06 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -224,6 +224,11 @@ static int modern_apic(void)
if (boot_cpu_data.x86_vendor == X86_VENDOR_AMD &&
boot_cpu_data.x86 >= 0xf)
return 1;
+
+ /* Hygon systems use modern APIC */
+ if (boot_cpu_data.x86_vendor == X86_VENDOR_HYGON)
+ return 1;
+
return lapic_get_version() >= 0x14;
}
@@ -1912,6 +1917,8 @@ static int __init detect_init_APIC(void)
(boot_cpu_data.x86 >= 15))
break;
goto no_apic;
+ case X86_VENDOR_HYGON:
+ break;
case X86_VENDOR_INTEL:
if (boot_cpu_data.x86 == 6 || boot_cpu_data.x86 == 15 ||
(boot_cpu_data.x86 == 5 && boot_cpu_has(X86_FEATURE_APIC)))
diff --git a/arch/x86/kernel/apic/probe_32.c b/arch/x86/kernel/apic/probe_32.c
index 02e8acb134f8..47ff2976c292 100644
--- a/arch/x86/kernel/apic/probe_32.c
+++ b/arch/x86/kernel/apic/probe_32.c
@@ -185,6 +185,7 @@ void __init default_setup_apic_routing(void)
break;
}
/* If P4 and above fall through */
+ case X86_VENDOR_HYGON:
case X86_VENDOR_AMD:
def_to_bigsmp = 1;
}
next prev parent reply other threads:[~2018-09-27 17:05 UTC|newest]
Thread overview: 76+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-23 9:30 [PATCH v8 00/16] Add support for Hygon Dhyana Family 18h processor Pu Wen
2018-09-23 9:33 ` [PATCH v8 01/16] x86/cpu: Create Hygon Dhyana architecture support file Pu Wen
2018-09-27 17:00 ` [tip:x86/cpu] " tip-bot for Pu Wen
2018-09-23 9:33 ` [PATCH v8 02/16] x86/cpu: Get cache info and setup cache cpumap for Hygon Dhyana Pu Wen
2018-09-27 17:01 ` [tip:x86/cpu] " tip-bot for Pu Wen
2018-09-23 9:34 ` [PATCH v8 03/16] x86/cpu/mtrr: Support TOP_MEM2 and get MTRR number Pu Wen
2018-09-27 17:02 ` [tip:x86/cpu] " tip-bot for Pu Wen
2018-09-23 9:34 ` [PATCH v8 04/16] x86/smpboot: SMP init no delay and not flush caches before sleep Pu Wen
2018-09-27 17:02 ` [tip:x86/cpu] x86/smpboot: Do not use BSP INIT delay and MWAIT to idle on Dhyana tip-bot for Pu Wen
2018-09-23 9:34 ` [PATCH v8 05/16] perf/x86: Add Hygon Dhyana support to PMU infrastructure Pu Wen
2018-09-27 17:03 ` [tip:x86/cpu] x86/events: " tip-bot for Pu Wen
2018-09-23 9:35 ` [PATCH v8 06/16] x86/alternative: Init ideal_nops for Hygon Dhyana Pu Wen
2018-09-27 17:03 ` [tip:x86/cpu] " tip-bot for Pu Wen
2018-09-23 9:35 ` [PATCH v8 07/16] x86/pci: Add Hygon Dhyana support to PCI and north bridge Pu Wen
2018-09-23 11:10 ` Borislav Petkov
2018-09-23 12:54 ` Pu Wen
2018-09-24 15:24 ` Borislav Petkov
2018-09-25 12:27 ` Pu Wen
2018-09-25 12:30 ` Borislav Petkov
2018-09-25 12:57 ` Pu Wen
2018-09-25 14:45 ` [PATCH 1/2] x86/amd_nb: Add vendor checking for strict function access Pu Wen
2018-09-27 17:04 ` [tip:x86/cpu] x86/amd_nb: Check vendor in AMD-only functions tip-bot for Pu Wen
2018-09-25 14:46 ` [PATCH 2/2] x86/pci: Add Hygon Dhyana support to PCI and north bridge Pu Wen
2018-09-27 17:04 ` [tip:x86/cpu] x86/pci, x86/amd_nb: Add Hygon Dhyana support to PCI and northbridge tip-bot for Pu Wen
2018-09-23 9:35 ` [PATCH v8 08/16] x86/apic: Add Hygon Dhyana support to APIC Pu Wen
2018-09-27 17:05 ` tip-bot for Pu Wen [this message]
2018-09-23 9:35 ` [PATCH v8 09/16] x86/bugs: Add mitigation to spectre and no meltdown for Hygon Dhyana Pu Wen
2018-09-27 17:06 ` [tip:x86/cpu] x86/bugs: Add Hygon Dhyana to the respective mitigation machinery tip-bot for Pu Wen
2018-09-23 9:36 ` [PATCH v8 10/16] x86/mce: Add Hygon Dhyana support to MCE infrastructure Pu Wen
2018-09-27 17:06 ` [tip:x86/cpu] x86/mce: Add Hygon Dhyana support to the MCA infrastructure tip-bot for Pu Wen
2018-09-23 9:36 ` [PATCH v8 11/16] x86/kvm: Add Hygon Dhyana support to KVM infrastructure Pu Wen
2018-09-27 17:07 ` [tip:x86/cpu] x86/kvm: Add Hygon Dhyana support to KVM tip-bot for Pu Wen
2018-09-23 9:36 ` [PATCH v8 12/16] x86/xen: Add Hygon Dhyana support to Xen Pu Wen
2018-09-27 17:07 ` [tip:x86/cpu] " tip-bot for Pu Wen
2018-09-23 9:37 ` [PATCH v8 13/16] ACPI, x86: Add Hygon Dhyana support Pu Wen
2018-09-27 17:08 ` [tip:x86/cpu] ACPI: " tip-bot for Pu Wen
2018-09-23 9:37 ` [PATCH v8 14/16] cpufreq, x86: " Pu Wen
2018-09-27 17:08 ` [tip:x86/cpu] cpufreq: " tip-bot for Pu Wen
2018-09-23 9:37 ` [PATCH v8 15/16] EDAC, amd64: " Pu Wen
2018-09-23 9:38 ` [PATCH v8 16/16] cpupower, x86: " Pu Wen
-- strict thread matches above, loose matches on Subject: below --
2018-09-10 13:15 [PATCH v6 00/16] Add support for Hygon Dhyana Family 18h processor Pu Wen
2018-09-10 13:15 ` [PATCH v6 01/16] x86/cpu: Create Hygon Dhyana architecture support file Pu Wen
2018-09-10 16:38 ` Borislav Petkov
2018-09-11 6:33 ` Pu Wen
2018-09-10 13:15 ` [PATCH v6 02/16] x86/cpu: Get cache info and setup cache cpumap for Hygon Dhyana Pu Wen
2018-09-10 13:16 ` [PATCH v6 03/16] x86/cpu/mtrr: Support TOP_MEM2 and get MTRR number Pu Wen
2018-09-10 18:06 ` Borislav Petkov
2018-09-11 6:39 ` Pu Wen
2018-09-10 13:16 ` [PATCH v6 04/16] x86/smpboot: SMP init nodelay and not flush caches before sleep Pu Wen
2018-09-10 13:16 ` [PATCH v6 05/16] perf/x86: Add Hygon Dhyana support to PMU infrastructure Pu Wen
2018-09-10 18:17 ` Borislav Petkov
2018-09-11 7:00 ` Pu Wen
2018-09-10 13:16 ` [PATCH v6 06/16] x86/alternative: Init ideal_nops for Hygon Dhyana Pu Wen
2018-09-10 13:17 ` [PATCH v6 07/16] x86/pci: Add Hygon Dhyana support to PCI and north bridge Pu Wen
2018-09-11 10:07 ` Borislav Petkov
2018-09-19 17:20 ` Lendacky, Thomas
2018-09-20 7:25 ` Thomas Gleixner
2018-09-20 8:05 ` Pu Wen
2018-09-10 13:17 ` [PATCH v6 08/16] x86/apic: Add Hygon Dhyana support to APIC Pu Wen
2018-09-11 10:14 ` Borislav Petkov
2018-09-11 13:03 ` Pu Wen
2018-09-10 13:17 ` [PATCH v6 09/16] x86/bugs: Add mitigation to spectre and no meltdown for Hygon Dhyana Pu Wen
2018-09-11 10:38 ` Borislav Petkov
2018-09-11 13:17 ` Pu Wen
2018-09-10 13:17 ` [PATCH v6 10/16] x86/mce: Add Hygon Dhyana support to MCE infrastructure Pu Wen
2018-09-11 10:43 ` Borislav Petkov
2018-09-10 13:18 ` [PATCH v6 11/16] x86/kvm: Add Hygon Dhyana support to KVM infrastructure Pu Wen
2018-09-10 13:19 ` [PATCH v6 12/16] x86/xen: Add Hygon Dhyana support to Xen Pu Wen
2018-09-10 13:19 ` [PATCH v6 13/16] ACPI, x86: Add Hygon Dhyana support Pu Wen
2018-09-10 13:20 ` [PATCH v6 14/16] cpufreq, " Pu Wen
2018-09-10 13:20 ` [PATCH v6 15/16] EDAC, amd64: " Pu Wen
2018-09-11 10:51 ` Borislav Petkov
2018-09-10 13:20 ` [PATCH v6 16/16] cpupower, x86: " Pu Wen
2018-10-01 19:38 ` Shuah Khan
2018-10-04 1:21 ` [RESEND PATCH v8 16/16] cpupower: " Pu Wen
2018-10-04 8:03 ` [tip:x86/cpu] tools/cpupower: " tip-bot for Pu Wen
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