Guenter Roeck 7c6a4f3b16 powerpc/mm: Call flush_tlb_kernel_range with interrupts enabled ... flush_tlb_kernel_range() may call smp_call_function_many() which expects interrupts to be enabled. This results in a traceback. WARNING: CPU: 0 PID: 1 at kernel/smp.c:416 smp_call_function_many+0xcc/0x2fc CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.14.0-rc1-00009-g0666f56 #1 task: cf830000 task.stack: cf82e000 NIP: c00a93c8 LR: c00a9634 CTR: 00000001 REGS: cf82fde0 TRAP: 0700 Not tainted (4.14.0-rc1-00009-g0666f56) MSR: 00021000 <CE,ME> CR: 24000082 XER: 00000000 GPR00: c00a9634 cf82fe90 cf830000 c050ad3c c0015a54 00000000 00000001 00000001 GPR08: 00000001 00000000 00000000 cf82e000 24000084 00000000 c0003150 00000000 GPR16: 00000000 00000000 00000000 00000000 00000000 00000001 00000000 c0510000 GPR24: 00000000 c0015a54 00000000 c050ad3c c051823c c050ad3c 00000025 00000000 NIP [c00a93c8] smp_call_function_many+0xcc/0x2fc LR [c00a9634] smp_call_function+0x3c/0x50 Call Trace: [cf82fe90] [00000010] 0x10 (unreliable) [cf82fed0] [c00a9634] smp_call_function+0x3c/0x50 [cf82fee0] [c0015d2c] flush_tlb_kernel_range+0x20/0x38 [cf82fef0] [c001524c] mark_initmem_nx+0x154/0x16c [cf82ff20] [c001484c] free_initmem+0x20/0x4c [cf82ff30] [c000316c] kernel_init+0x1c/0x108 [cf82ff40] [c000f3a8] ret_from_kernel_thread+0x5c/0x64 Instruction dump: 7c0803a6 7d808120 38210040 4e800020 3d20c052 812981a0 2f890000 40beffac 3d20c051 8929ac64 2f890000 40beff9c <0fe00000> 4bffff94 7fc3f378 7f64db78 Fixes: 3184cc4b6f ("powerpc/mm: Fix kernel RAM protection after freeing ...") Fixes: e611939fc8 ("powerpc/mm: Ensure change_page_attr() doesn't ...") Cc: Christophe Leroy <christophe.leroy@c-s.fr> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Reviewed-by: Christophe Leroy <christophe.leroy@c-s.fr> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>		2017-10-04 22:15:30 +11:00
..
8xx_mmu.c	powerpc/8xx: mark init functions with __init	2017-08-15 22:55:54 +10:00
40x_mmu.c	Replace <asm/uaccess.h> with <linux/uaccess.h> globally	2016-12-24 11:46:01 -08:00
44x_mmu.c	powerpc: Delete __cpuinit usage from all users	2013-07-01 11:10:36 +10:00
copro_fault.c	powerpc/mm: Update PROTFAULT handling in the page fault path	2017-02-15 20:02:39 +11:00
dma-noncoherent.c	powerpc/mm: Rename map_page() to map_kernel_page() on 32-bit	2017-06-05 19:59:03 +10:00
dump_hashpagetable.c	powerpc/mm: Use seq_putc() in two functions	2017-09-01 16:42:52 +10:00
dump_linuxpagetables.c	powerpc/mm: Use seq_putc() in two functions	2017-09-01 16:42:52 +10:00
fault.c	powerpc/8xx: Use symbolic names for DSISR bits in DSI	2017-08-10 23:32:20 +10:00
fsl_booke_mmu.c	Replace <asm/uaccess.h> with <linux/uaccess.h> globally	2016-12-24 11:46:01 -08:00
hash64_4k.c	powerpc/mm: Fix lazy icache flush on pre-POWER5	2016-11-29 23:59:40 +11:00
hash64_64k.c	powerpc/mm: Fix lazy icache flush on pre-POWER5	2016-11-29 23:59:40 +11:00
hash_low_32.S	powerpc: fix location of two EXPORT_SYMBOL	2017-09-01 16:42:45 +10:00
hash_native_64.c	powerpc/mm: Wire up hpte_removebolted for powernv	2017-07-02 20:40:28 +10:00
hash_utils_64.c	powerpc/mm: Use mm_is_thread_local() instread of open-coding	2017-08-23 22:27:45 +10:00
highmem.c	sched/preempt, mm/kmap: Explicitly disable/enable preemption in kmap_atomic_*	2015-05-19 08:39:14 +02:00
hugepage-hash64.c	powerpc/mm: Move hash table ops to a separate structure	2016-07-21 18:59:09 +10:00
hugetlbpage-book3e.c	powerpc/mm/nohash: MM_SLICE is only used by book3s 64	2017-03-31 23:09:47 +11:00
hugetlbpage-hash64.c	powerpc/mm: Remove the debug hugepd_ok check	2017-01-23 19:19:28 +11:00
hugetlbpage-radix.c	mm: larger stack guard gap, between vmas	2017-06-19 21:50:20 +08:00
hugetlbpage.c	powerpc/mm: Use mm_is_thread_local() instread of open-coding	2017-08-23 22:27:45 +10:00
init_32.c	powerpc/mm/hugetlb: Add support for reserving gigantic huge pages via kernel command line	2017-08-16 14:56:12 +10:00
init_64.c	powerpc/mm: Fix section mismatch warning in early_check_vec5()	2017-08-10 23:40:51 +10:00
init-common.c	Merge branch 'topic/ppc-kvm' into next	2017-02-14 17:18:29 +11:00
Makefile	powerpc/mm: Make switch_mm_irqs_off() out of line	2017-08-23 22:48:51 +10:00
mem.c	powerpc/8xx: Getting rid of remaining use of CONFIG_8xx	2017-08-10 23:32:12 +10:00
mmap.c	powerpc,mmap: properly account for stack randomization in mmap_base	2017-07-12 16:26:03 -07:00
mmu_context_book3s64.c	powerpc/mm: Optimize detection of thread local mm's	2017-08-23 22:28:38 +10:00
mmu_context_hash32.c	powerpc: Remove power3 from comments	2014-07-28 14:10:26 +10:00
mmu_context_iommu.c	Merge branch 'topic/ppc-kvm' into next	2017-04-28 20:19:37 +10:00
mmu_context_nohash.c	powerpc/mm/nohash: MM_SLICE is only used by book3s 64	2017-03-31 23:09:47 +11:00
mmu_context.c	powerpc/mm: Make switch_mm_irqs_off() out of line	2017-08-23 22:48:51 +10:00
mmu_decl.h	powerpc/8xx: Getting rid of remaining use of CONFIG_8xx	2017-08-10 23:32:12 +10:00
numa.c	powerpc: Only obtain cpu_hotplug_lock if called by rtasd	2017-06-23 09:32:11 +02:00
pgtable_32.c	powerpc/mm: Call flush_tlb_kernel_range with interrupts enabled	2017-10-04 22:15:30 +11:00
pgtable_64.c	powerpc/mm/book3s64: Make KERN_IO_START a variable	2017-08-08 19:37:04 +10:00
pgtable-book3e.c	powerpc/mm: Make page table size a variable	2016-05-01 18:32:48 +10:00
pgtable-book3s64.c	powerpc/mm/cxl: Add the fault handling cpu to mm cpumask	2017-08-17 23:31:52 +10:00
pgtable-hash64.c	powerpc/mm: Use mm_is_thread_local() instread of open-coding	2017-08-23 22:27:45 +10:00
pgtable-radix.c	powerpc/mm/radix: Prettify mapped memory range print out	2017-08-31 14:26:42 +10:00
pgtable.c	powerpc/mm: Fix typo in set_pte_at()	2017-02-17 22:16:25 +11:00
ppc_mmu_32.c	powerpc32: refactor x_mapped_by_bats() and x_mapped_by_tlbcam() together	2016-03-11 17:18:02 -06:00
slb_low.S	powerpc/mm/hash64: Make vmalloc 56T on hash	2017-08-08 19:37:05 +10:00
slb.c	powerpc/64s: Rename slb_allocate_realmode() to slb_allocate()	2017-06-21 16:18:33 +10:00
slice.c	mm: larger stack guard gap, between vmas	2017-06-19 21:50:20 +08:00
subpage-prot.c	powerpc/mm/hash: Free the subpage_prot_table correctly	2017-07-27 13:05:50 +10:00
tlb_hash32.c	powerpc/mm: remove flush_tlb_page_nohash	2016-08-01 11:15:13 +10:00
tlb_hash64.c	powerpc/mm: Use mm_is_thread_local() instread of open-coding	2017-08-23 22:27:45 +10:00
tlb_low_64e.S	powerpc: Fix misspellings in comments.	2016-03-01 19:27:20 +11:00
tlb_nohash_low.S	powerpc/8xx: Getting rid of remaining use of CONFIG_8xx	2017-08-10 23:32:12 +10:00
tlb_nohash.c	powerpc/nohash: Fix use of mmu_has_feature() in setup_initial_memory_limit()	2017-04-11 07:46:04 +10:00
tlb-radix.c	Merge branch 'fixes' into next	2017-08-23 22:20:10 +10:00
vphn.c	powerpc/vphn: parsing code rewrite	2015-03-18 10:48:59 +11:00
vphn.h	powerpc/vphn: parsing code rewrite	2015-03-18 10:48:59 +11:00