linux-kernel - [PATCH 4.16 172/196] s390: add support for IBM z14 Model ZR1

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Date:   Sun, 22 Apr 2018 15:53:12 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Heiko Carstens <heiko.carstens@...ibm.com>,
        Martin Schwidefsky <schwidefsky@...ibm.com>
Subject: [PATCH 4.16 172/196] s390: add support for IBM z14 Model ZR1

4.16-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Heiko Carstens <heiko.carstens@...ibm.com>

commit 451239eb3d397bd197a79cc3aab943da41ba0905 upstream.

Just add the new machine type number to the two places that matter.

Cc: <stable@...r.kernel.org> # v4.14+
Signed-off-by: Heiko Carstens <heiko.carstens@...ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@...ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 arch/s390/Kconfig                      |    8 ++++----
 arch/s390/kernel/perf_cpum_cf_events.c |    1 +
 arch/s390/kernel/setup.c               |    1 +
 3 files changed, 6 insertions(+), 4 deletions(-)

--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -289,12 +289,12 @@ config MARCH_Z13
 	  older machines.
 
 config MARCH_Z14
-	bool "IBM z14"
+	bool "IBM z14 ZR1 and z14"
 	select HAVE_MARCH_Z14_FEATURES
 	help
-	  Select this to enable optimizations for IBM z14 (3906 series).
-	  The kernel will be slightly faster but will not work on older
-	  machines.
+	  Select this to enable optimizations for IBM z14 ZR1 and z14 (3907
+	  and 3906 series). The kernel will be slightly faster but will not
+	  work on older machines.
 
 endchoice
 
--- a/arch/s390/kernel/perf_cpum_cf_events.c
+++ b/arch/s390/kernel/perf_cpum_cf_events.c
@@ -583,6 +583,7 @@ __init const struct attribute_group **cp
 		model = cpumcf_z13_pmu_event_attr;
 		break;
 	case 0x3906:
+	case 0x3907:
 		model = cpumcf_z14_pmu_event_attr;
 		break;
 	default:
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -819,6 +819,7 @@ static int __init setup_hwcaps(void)
 		strcpy(elf_platform, "z13");
 		break;
 	case 0x3906:
+	case 0x3907:
 		strcpy(elf_platform, "z14");
 		break;
 	}