Messages in this thread Patch in this message | | | Subject | [PATCH 4/5] Always ask the hardware to obtain hardware processor id - ia64 | From | Fernando Luis Vázquez Cao <> | Date | Thu, 01 Mar 2007 16:18:18 +0900 |
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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> ---
diff -urNp linux-2.6.21-rc2/include/asm-ia64/smp.h linux-2.6.21-rc2-hwcpuid/include/asm-ia64/smp.h --- linux-2.6.21-rc2/include/asm-ia64/smp.h 2007-02-05 03:44:54.000000000 +0900 +++ linux-2.6.21-rc2-hwcpuid/include/asm-ia64/smp.h 2007-03-07 13:03:48.000000000 +0900 @@ -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); @@ -128,7 +128,7 @@ extern void unlock_ipi_calllock(void); extern void identify_siblings (struct cpuinfo_ia64 *); extern int is_multithreading_enabled(void); -#else +#else /* CONFIG_SMP */ #define cpu_logical_id(i) 0 #define cpu_physical_id(i) ia64_get_lid()
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