diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-10-20 00:10:27 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-10-20 00:10:27 -0300 |
commit | d0b2f91bede3bd5e3d24dd6803e56eee959c1797 (patch) | |
tree | 7fee4ab0509879c373c4f2cbd5b8a5be5b4041ee /arch/s390/kernel/setup.c | |
parent | e914f8eb445e8f74b00303c19c2ffceaedd16a05 (diff) |
Linux-libre 4.8.2-gnupck-4.8.2-gnu
Diffstat (limited to 'arch/s390/kernel/setup.c')
-rw-r--r-- | arch/s390/kernel/setup.c | 38 |
1 files changed, 28 insertions, 10 deletions
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c index f31939147..7f7ba5f23 100644 --- a/arch/s390/kernel/setup.c +++ b/arch/s390/kernel/setup.c @@ -130,17 +130,14 @@ __setup("condev=", condev_setup); static void __init set_preferred_console(void) { - if (MACHINE_IS_KVM) { - if (sclp.has_vt220) - add_preferred_console("ttyS", 1, NULL); - else if (sclp.has_linemode) - add_preferred_console("ttyS", 0, NULL); - else - add_preferred_console("hvc", 0, NULL); - } else if (CONSOLE_IS_3215 || CONSOLE_IS_SCLP) + if (CONSOLE_IS_3215 || CONSOLE_IS_SCLP) add_preferred_console("ttyS", 0, NULL); else if (CONSOLE_IS_3270) add_preferred_console("tty3270", 0, NULL); + else if (CONSOLE_IS_VT220) + add_preferred_console("ttyS", 1, NULL); + else if (CONSOLE_IS_HVC) + add_preferred_console("hvc", 0, NULL); } static int __init conmode_setup(char *str) @@ -206,6 +203,13 @@ static void __init conmode_default(void) SET_CONSOLE_SCLP; #endif } + } else if (MACHINE_IS_KVM) { + if (sclp.has_vt220 && IS_ENABLED(CONFIG_SCLP_VT220_CONSOLE)) + SET_CONSOLE_VT220; + else if (sclp.has_linemode && IS_ENABLED(CONFIG_SCLP_CONSOLE)) + SET_CONSOLE_SCLP; + else + SET_CONSOLE_HVC; } else { #if defined(CONFIG_SCLP_CONSOLE) || defined(CONFIG_SCLP_VT220_CONSOLE) SET_CONSOLE_SCLP; @@ -289,7 +293,7 @@ static int __init parse_vmalloc(char *arg) } early_param("vmalloc", parse_vmalloc); -void *restart_stack __attribute__((__section__(".data"))); +void *restart_stack __section(.data); static void __init setup_lowcore(void) { @@ -432,6 +436,20 @@ static void __init setup_resources(void) } } } +#ifdef CONFIG_CRASH_DUMP + /* + * Re-add removed crash kernel memory as reserved memory. This makes + * sure it will be mapped with the identity mapping and struct pages + * will be created, so it can be resized later on. + * However add it later since the crash kernel resource should not be + * part of the System RAM resource. + */ + if (crashk_res.end) { + memblock_add(crashk_res.start, resource_size(&crashk_res)); + memblock_reserve(crashk_res.start, resource_size(&crashk_res)); + insert_resource(&iomem_resource, &crashk_res); + } +#endif } static void __init setup_memory_end(void) @@ -602,7 +620,6 @@ static void __init reserve_crashkernel(void) diag10_range(PFN_DOWN(crash_base), PFN_DOWN(crash_size)); crashk_res.start = crash_base; crashk_res.end = crash_base + crash_size - 1; - insert_resource(&iomem_resource, &crashk_res); memblock_remove(crash_base, crash_size); pr_info("Reserving %lluMB of memory at %lluMB " "for crashkernel (System RAM: %luMB)\n", @@ -901,6 +918,7 @@ void __init setup_arch(char **cmdline_p) setup_vmcoreinfo(); setup_lowcore(); smp_fill_possible_mask(); + cpu_detect_mhz_feature(); cpu_init(); numa_setup(); |