AuxXxilium/linux_dsm_epyc7002
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linux_dsm_epyc7002/arch/x86/mm
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Yinghai Lu 55cd63676e x86: make zap_low_mapping could be used early 
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>
2009-06-12 13:50:24 +03:00
..
dump_pagetables.c x86: remove (null) in /sys kernel_page_tables 2009-04-14 11:50:22 +02:00
extable.c x86: uaccess: introduce try and catch framework 2009-01-23 17:17:36 -08:00
fault.c Merge branch 'linus' into perfcounters/core 2009-06-11 17:55:42 +02:00
gup.c x86: Document get_user_pages_fast() 2009-04-10 13:14:08 +02:00
highmem_32.c Merge commit 'origin/master' into for-linus/xen/master 2009-04-07 13:34:16 -07:00
hugetlbpage.c x86: ignore VM_LOCKED when determining if hugetlb-backed page tables can be shared or not 2009-05-29 08:40:03 -07:00
init_32.c x86: make zap_low_mapping could be used early 2009-06-12 13:50:24 +03:00
init_64.c x86: use sparse_memory_present_with_active_regions() on UMA 2009-05-11 11:52:06 +02:00
init.c Merge branch 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2009-06-10 16:13:20 -07:00
iomap_32.c Merge commit 'origin/master' into for-linus/xen/master 2009-04-07 13:34:16 -07:00
ioremap.c Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2009-04-17 09:56:11 -07:00
k8topology_64.c x86: k8 numa register active regions later 2009-01-06 13:21:21 +01:00
kmmio.c Merge branch 'linus' into tracing/core 2009-05-07 11:17:34 +02:00
Makefile x86: unify 32 and 64-bit node_to_cpumask_map 2009-03-13 14:49:52 +10:30
memtest.c x86: memtest: use pointers of equal type for comparison 2009-06-11 16:26:35 +02:00
mmap.c x86: update copyrights 2009-01-31 04:21:18 +01:00
mmio-mod.c tracing: x86, mmiotrace: only register for die notifier when tracer active 2009-04-29 11:33:34 +02:00
numa_32.c x86: mm/numa_32.c calculate_numa_remap_pages should use __init 2009-04-17 22:43:13 +02:00
numa_64.c x86, mm: Fix node_possible_map logic 2009-05-18 09:21:04 +02:00
numa.c cpumask: convert node_to_cpumask_map[] to cpumask_var_t 2009-03-13 14:35:31 +01:00
pageattr-test.c x86: make sure the CPA test code's use of _PAGE_UNUSED1 is obvious 2008-09-05 17:09:57 +02:00
pageattr.c Merge branch 'x86-xen-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2009-06-10 16:16:27 -07:00
pat.c Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2009-04-17 09:56:11 -07:00
pf_in.c x86: fix mmiotrace 8-bit register decoding 2008-10-14 10:33:50 +02:00
pf_in.h x86 mmiotrace: move files into arch/x86/mm/. 2008-05-24 11:25:37 +02:00
pgtable_32.c x86/32: no need to use set_pte_present in set_pte_vaddr 2009-03-19 14:04:18 +01:00
pgtable.c x86: fix set_fixmap to use phys_addr_t 2009-04-10 20:27:13 +02:00
srat_32.c x86: Fix a typo in a printk message 2009-05-06 12:23:12 +02:00
srat_64.c x86, mm: Fix node_possible_map logic 2009-05-18 09:21:04 +02:00
testmmiotrace.c x86: add far read test to testmmiotrace 2009-03-02 10:20:35 +01:00
tlb.c x86: add x2apic_wrmsr_fence() to x2apic flush tlb paths 2009-03-18 09:36:14 +01:00