diff options
| author | H. Peter Anvin <hpa@zytor.com> | 2010-04-29 16:53:17 -0700 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2010-04-29 16:53:17 -0700 |
| commit | d9c5841e22231e4e49fd0a1004164e6fce59b7a6 (patch) | |
| tree | e1f589c46b3ff79bbe7b1b2469f6362f94576da6 /arch/s390/kernel/early.c | |
| parent | b701a47ba48b698976fb2fe05fb285b0edc1d26a (diff) | |
| parent | 5967ed87ade85a421ef814296c3c7f182b08c225 (diff) | |
Merge branch 'x86/asm' into x86/atomic
Merge reason:
Conflict between LOCK_PREFIX_HERE and relative alternatives
pointers
Resolved Conflicts:
arch/x86/include/asm/alternative.h
arch/x86/kernel/alternative.c
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch/s390/kernel/early.c')
| -rw-r--r-- | arch/s390/kernel/early.c | 25 |
1 files changed, 20 insertions, 5 deletions
diff --git a/arch/s390/kernel/early.c b/arch/s390/kernel/early.c index e49e9e0c69f..2d92c2cf92d 100644 --- a/arch/s390/kernel/early.c +++ b/arch/s390/kernel/early.c @@ -82,7 +82,8 @@ asm( " lm 6,15,24(15)\n" #endif " br 14\n" - " .size savesys_ipl_nss, .-savesys_ipl_nss\n"); + " .size savesys_ipl_nss, .-savesys_ipl_nss\n" + " .previous\n"); static __initdata char upper_command_line[COMMAND_LINE_SIZE]; @@ -214,10 +215,13 @@ static __initdata struct sysinfo_3_2_2 vmms __aligned(PAGE_SIZE); static noinline __init void detect_machine_type(void) { - /* No VM information? Looks like LPAR */ - if (stsi(&vmms, 3, 2, 2) == -ENOSYS) + /* Check current-configuration-level */ + if ((stsi(NULL, 0, 0, 0) >> 28) <= 2) { + S390_lowcore.machine_flags |= MACHINE_FLAG_LPAR; return; - if (!vmms.count) + } + /* Get virtual-machine cpu information. */ + if (stsi(&vmms, 3, 2, 2) == -ENOSYS || !vmms.count) return; /* Running under KVM? If not we assume z/VM */ @@ -402,8 +406,19 @@ static void __init append_to_cmdline(size_t (*ipl_data)(char *, size_t)) static void __init setup_boot_command_line(void) { + int i; + + /* convert arch command line to ascii */ + for (i = 0; i < ARCH_COMMAND_LINE_SIZE; i++) + if (COMMAND_LINE[i] & 0x80) + break; + if (i < ARCH_COMMAND_LINE_SIZE) + EBCASC(COMMAND_LINE, ARCH_COMMAND_LINE_SIZE); + COMMAND_LINE[ARCH_COMMAND_LINE_SIZE-1] = 0; + /* copy arch command line */ - strlcpy(boot_command_line, COMMAND_LINE, ARCH_COMMAND_LINE_SIZE); + strlcpy(boot_command_line, strstrip(COMMAND_LINE), + ARCH_COMMAND_LINE_SIZE); /* append IPL PARM data to the boot command line */ if (MACHINE_IS_VM) |