diff options
| author |   Fernando Luis Vazquez Cao <fernando@oss.ntt.co.jp> | 2007-05-09 02:33:28 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-09 12:30:49 -0700 |
| commit | 818563dceccf695a71f8bd683a249e7bb09e3240 (patch) | |
| tree | d1a7ff414283be1607547f4ae55ddad47d3f10c7 /include/asm-ia64/smp.h | |
| parent | Use the APIC to determine the hardware processor id - x86_64 (diff) | |
| download | linux-dev-818563dceccf695a71f8bd683a249e7bb09e3240.tar.xz linux-dev-818563dceccf695a71f8bd683a249e7bb09e3240.zip | |
Always ask the hardware to obtain hardware processor id - ia64
Always ask the hardware to determine the hardware processor id in both UP and
SMP kernels.
Signed-off-by: Fernando Luis Vazquez Cao <fernando@oss.ntt.co.jp>
Cc: "Luck, Tony" <tony.luck@intel.com>
Cc: Andi Kleen <ak@suse.de>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Vivek Goyal <vgoyal@in.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/asm-ia64/smp.h')
| -rw-r--r-- | include/asm-ia64/smp.h | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/include/asm-ia64/smp.h b/include/asm-ia64/smp.h index 62014b643ecd..c60024989ebd 100644 --- a/include/asm-ia64/smp.h +++ b/include/asm-ia64/smp.h @@ -38,6 +38,8 @@ ia64_get_lid (void) return lid.f.id << 8 | lid.f.eid; } +#define hard_smp_processor_id() ia64_get_lid() + #ifdef CONFIG_SMP #define XTP_OFFSET 0x1e0008 @@ -110,8 +112,6 @@ max_xtp (void) writeb(0x0f, ipi_base_addr + XTP_OFFSET); /* Set XTP to max */ } -#define hard_smp_processor_id() ia64_get_lid() - /* Upping and downing of CPUs */ extern int __cpu_disable (void); extern void __cpu_die (unsigned int cpu); @@ -130,7 +130,6 @@ extern int is_multithreading_enabled(void); #else /* CONFIG_SMP */ -#define hard_smp_processor_id() 0 #define cpu_logical_id(i) 0 #define cpu_physical_id(i) ia64_get_lid() |