mirror of https://gitee.com/openkylin/linux.git
55cd63676e
Only one cpu is there, just call __flush_tlb for it. Fixes the following boot warning on x86: [ 0.000000] Memory: 885032k/915540k available (5993k kernel code, 29844k reserved, 3842k data, 428k init, 0k highmem) [ 0.000000] virtual kernel memory layout: [ 0.000000] fixmap : 0xffe17000 - 0xfffff000 (1952 kB) [ 0.000000] vmalloc : 0xf8615000 - 0xffe15000 ( 120 MB) [ 0.000000] lowmem : 0xc0000000 - 0xf7e15000 ( 894 MB) [ 0.000000] .init : 0xc19a5000 - 0xc1a10000 ( 428 kB) [ 0.000000] .data : 0xc15da4bb - 0xc199af6c (3842 kB) [ 0.000000] .text : 0xc1000000 - 0xc15da4bb (5993 kB) [ 0.000000] Checking if this processor honours the WP bit even in supervisor mode...Ok. [ 0.000000] ------------[ cut here ]------------ [ 0.000000] WARNING: at kernel/smp.c:369 smp_call_function_many+0x50/0x1b0() [ 0.000000] Hardware name: System Product Name [ 0.000000] Modules linked in: [ 0.000000] Pid: 0, comm: swapper Not tainted 2.6.30-tip #52504 [ 0.000000] Call Trace: [ 0.000000] [<c104aa16>] warn_slowpath_common+0x65/0x95 [ 0.000000] [<c104aa58>] warn_slowpath_null+0x12/0x15 [ 0.000000] [<c1073bbe>] smp_call_function_many+0x50/0x1b0 [ 0.000000] [<c1037615>] ? do_flush_tlb_all+0x0/0x41 [ 0.000000] [<c1037615>] ? do_flush_tlb_all+0x0/0x41 [ 0.000000] [<c1073d4f>] smp_call_function+0x31/0x58 [ 0.000000] [<c1037615>] ? do_flush_tlb_all+0x0/0x41 [ 0.000000] [<c104f635>] on_each_cpu+0x26/0x65 [ 0.000000] [<c10374b5>] flush_tlb_all+0x19/0x1b [ 0.000000] [<c1032ab3>] zap_low_mappings+0x4d/0x56 [ 0.000000] [<c15d64b5>] ? printk+0x14/0x17 [ 0.000000] [<c19b42a8>] mem_init+0x23d/0x245 [ 0.000000] [<c19a56a1>] start_kernel+0x17a/0x2d5 [ 0.000000] [<c19a5347>] ? unknown_bootoption+0x0/0x19a [ 0.000000] [<c19a5039>] __init_begin+0x39/0x41 [ 0.000000] ---[ end trace 4eaa2a86a8e2da22 ]--- Reported-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Yinghai Lu <yinghai@kernel.org> Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi> |
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|---|---|---|
| .. | ||
| Makefile | ||
| dump_pagetables.c | ||
| extable.c | ||
| fault.c | ||
| gup.c | ||
| highmem_32.c | ||
| hugetlbpage.c | ||
| init.c | ||
| init_32.c | ||
| init_64.c | ||
| iomap_32.c | ||
| ioremap.c | ||
| k8topology_64.c | ||
| kmmio.c | ||
| memtest.c | ||
| mmap.c | ||
| mmio-mod.c | ||
| numa.c | ||
| numa_32.c | ||
| numa_64.c | ||
| pageattr-test.c | ||
| pageattr.c | ||
| pat.c | ||
| pf_in.c | ||
| pf_in.h | ||
| pgtable.c | ||
| pgtable_32.c | ||
| srat_32.c | ||
| srat_64.c | ||
| testmmiotrace.c | ||
| tlb.c | ||