s390: add support for IBM zBC12 machine

commit 594712276e737961d30e11eae80d403b2b3815df upstream.

Just add the new model number where appropiate.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index da183c5..97dcbea 100644 (file)
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -227,11 +227,12 @@ config MARCH_Z196
          not work on older machines.
 
 config MARCH_ZEC12
-       bool "IBM zEC12"
+       bool "IBM zBC12 and zEC12"
        select HAVE_MARCH_ZEC12_FEATURES if 64BIT
        help
-         Select this to enable optimizations for IBM zEC12 (2827 series). The
-         kernel will be slightly faster but will not work on older machines.
+         Select this to enable optimizations for IBM zBC12 and zEC12 (2828 and
+         2827 series). The kernel will be slightly faster but will not work on
+         older machines.
 
 endchoice
 

diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index 0a49095..8ad9413 100644 (file)
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -998,6 +998,7 @@ static void __init setup_hwcaps(void)
                strcpy(elf_platform, "z196");
                break;
        case 0x2827:
+       case 0x2828:
                strcpy(elf_platform, "zEC12");
                break;
        }

diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c
index 89ebae4..eba15f1 100644 (file)
--- a/arch/s390/mm/init.c
+++ b/arch/s390/mm/init.c
@@ -69,6 +69,7 @@ static void __init setup_zero_pages(void)
                order = 2;
                break;
        case 0x2827:    /* zEC12 */
+       case 0x2828:    /* zEC12 */
        default:
                order = 5;
                break;

diff --git a/arch/s390/oprofile/init.c b/arch/s390/oprofile/init.c
index ffeb17c..930783d 100644 (file)
--- a/arch/s390/oprofile/init.c
+++ b/arch/s390/oprofile/init.c
@@ -440,7 +440,7 @@ static int oprofile_hwsampler_init(struct oprofile_operations *ops)
                switch (id.machine) {
                case 0x2097: case 0x2098: ops->cpu_type = "s390/z10"; break;
                case 0x2817: case 0x2818: ops->cpu_type = "s390/z196"; break;
-               case 0x2827:              ops->cpu_type = "s390/zEC12"; break;
+               case 0x2827: case 0x2828: ops->cpu_type = "s390/zEC12"; break;
                default: return -ENODEV;
                }
        }