diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-02-27 16:20:17 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-02-27 16:20:17 -0800 |
| commit | 7981164791d18d5ed1dcdfa9598949ed158a5333 (patch) | |
| tree | 6565e7406dd55eb5014efd3e54109159a47cb10e /arch/s390/kernel/setup.c | |
| parent | f1dd6ad599732fc89f36fdd65a2c2cf3c63a8711 (diff) | |
| parent | a8d6356cdabf4495aaae7d3e89eb058b1909761c (diff) | |
Merge branch 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6
* 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6: (35 commits)
[S390] time: remove unused code
[S390] zcore: Add prefix registers to dump header
[S390] correct vdso version string
[S390] add support for compressed kernels
[S390] Define new s390 ELF note sections in elf.h
[S390] codepage conversion of kernel parameter line
[S390] seq_file: convert drivers/s390/
[S390] add z9-ec/z10 instruction to kernel disassembler
[S390] dasd: correct offline processing
[S390] dasd: fix refcounting.
[S390] dasd: fix online/offline race
[S390] use kprobes_built_in() in mm/fault code
[S390] bug: use relative pointers in bug table entries
[S390] Cleanup struct _lowcore usage and defines.
[S390] free_initmem: reduce code duplication
[S390] Replace ENOTSUPP usage with EOPNOTSUPP
[S390] spinlock: check virtual cpu running status
[S390] sysinfo: fix SYSIB 3,2,2 structure
[S390] add MACHINE_IS_LPAR flag
[S390] qdio: optimize cache line usage of struct qdio_irq
...
Diffstat (limited to 'arch/s390/kernel/setup.c')
| -rw-r--r-- | arch/s390/kernel/setup.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c index 8d8957b38ab3..77a63ae419f0 100644 --- a/arch/s390/kernel/setup.c +++ b/arch/s390/kernel/setup.c @@ -396,15 +396,12 @@ static void __init setup_lowcore(void) { struct _lowcore *lc; - int lc_pages; /* * Setup lowcore for boot cpu */ - lc_pages = sizeof(void *) == 8 ? 2 : 1; - lc = (struct _lowcore *) - __alloc_bootmem(lc_pages * PAGE_SIZE, lc_pages * PAGE_SIZE, 0); - memset(lc, 0, lc_pages * PAGE_SIZE); + BUILD_BUG_ON(sizeof(struct _lowcore) != LC_PAGES * 4096); + lc = __alloc_bootmem(LC_PAGES * PAGE_SIZE, LC_PAGES * PAGE_SIZE, 0); lc->restart_psw.mask = PSW_BASE_BITS | PSW_DEFAULT_KEY; lc->restart_psw.addr = PSW_ADDR_AMODE | (unsigned long) restart_int_handler; @@ -804,7 +801,7 @@ setup_arch(char **cmdline_p) if (MACHINE_IS_VM) pr_info("Linux is running as a z/VM " "guest operating system in 31-bit mode\n"); - else + else if (MACHINE_IS_LPAR) pr_info("Linux is running natively in 31-bit mode\n"); if (MACHINE_HAS_IEEE) pr_info("The hardware system has IEEE compatible " @@ -818,7 +815,7 @@ setup_arch(char **cmdline_p) "guest operating system in 64-bit mode\n"); else if (MACHINE_IS_KVM) pr_info("Linux is running under KVM in 64-bit mode\n"); - else + else if (MACHINE_IS_LPAR) pr_info("Linux is running natively in 64-bit mode\n"); #endif /* CONFIG_64BIT */ |