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authorHeiko Carstens <heiko.carstens@de.ibm.com>2018-04-13 15:04:24 +0300
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2018-04-16 10:10:24 +0300
commit451239eb3d397bd197a79cc3aab943da41ba0905 (patch)
tree2cd29c9b20f9230f8d1bdb3103fc826d21c7b85f /arch/s390
parentf43c426a581f04272a852f0486ae431acff6d87e (diff)
downloadlinux-451239eb3d397bd197a79cc3aab943da41ba0905.tar.xz
s390: add support for IBM z14 Model ZR1
Just add the new machine type number to the two places that matter. Cc: <stable@vger.kernel.org> # v4.14+ Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390')
-rw-r--r--arch/s390/Kconfig8
-rw-r--r--arch/s390/kernel/perf_cpum_cf_events.c1
-rw-r--r--arch/s390/kernel/setup.c1
3 files changed, 6 insertions, 4 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index beccb58a82e5..199ac3e4da1d 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -286,12 +286,12 @@ 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
diff --git a/arch/s390/kernel/perf_cpum_cf_events.c b/arch/s390/kernel/perf_cpum_cf_events.c
index c5bc3f209652..5ee27dc9a10c 100644
--- 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 **cpumf_cf_event_group(void)
model = cpumcf_z13_pmu_event_attr;
break;
case 0x3906:
+ case 0x3907:
model = cpumcf_z14_pmu_event_attr;
break;
default:
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index fc3b4aa185cc..d82a9ec64ea9 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -821,6 +821,7 @@ static int __init setup_hwcaps(void)
strcpy(elf_platform, "z13");
break;
case 0x3906:
+ case 0x3907:
strcpy(elf_platform, "z14");
break;
}