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
..
alpha	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace	2017-09-11 18:34:47 -07:00
arc	arch: remove unused *_segments() macros/functions	2017-09-22 12:59:52 -10:00
arm	arm/syscalls: Optimize address limit check	2017-09-17 19:45:33 +02:00
arm64	Merge branch 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip	2017-09-24 11:53:13 -07:00
blackfin	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace	2017-09-11 18:34:47 -07:00
c6x	arch: remove unused *_segments() macros/functions	2017-09-22 12:59:52 -10:00
cris	MTD changes for 4.14:	2017-09-09 14:48:21 -07:00
frv	arch: remove unused *_segments() macros/functions	2017-09-22 12:59:52 -10:00
h8300	arch: define CPU_BIG_ENDIAN for all fixed big endian archs	2017-09-08 18:26:48 -07:00
hexagon	Merge branch 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip	2017-09-04 11:52:29 -07:00
ia64	Merge branch 'work.ipc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2017-09-14 17:37:26 -07:00
m32r	arch: remove unused *_segments() macros/functions	2017-09-22 12:59:52 -10:00
m68k	Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu	2017-09-10 21:07:39 -07:00
metag	arch: remove unused *_segments() macros/functions	2017-09-22 12:59:52 -10:00
microblaze	Merge branch 'akpm' (patches from Andrew)	2017-09-09 10:30:07 -07:00
mips	pci-v4.14-fixes-2	2017-09-22 13:09:11 -10:00
mn10300	arch: remove unused *_segments() macros/functions	2017-09-22 12:59:52 -10:00
nios2	nios2 update for v4.14-rc1	2017-09-15 12:47:21 -07:00
openrisc	OpenRISC patches for 4.14	2017-09-13 11:52:18 -07:00
parisc	parisc: Unbreak bootloader due to gcc-7 optimizations	2017-09-22 22:26:43 +02:00
powerpc	powerpc/mm: Call flush_tlb_kernel_range with interrupts enabled	2017-10-04 22:15:30 +11:00
s390	s390/topology: enable / disable topology dynamically	2017-09-20 13:47:55 +02:00
score
sh	arch: remove unused *_segments() macros/functions	2017-09-22 12:59:52 -10:00
sparc	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace	2017-09-11 18:34:47 -07:00
tile	Merge git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile	2017-09-22 13:02:54 -10:00
um	arch: remove unused *_segments() macros/functions	2017-09-22 12:59:52 -10:00
unicore32	unicore32/PCI: Replace pci_fixup_irqs() call with host bridge IRQ mapping hooks	2017-08-03 16:29:34 -05:00
x86	Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip	2017-09-24 12:33:58 -07:00
xtensa	arch: remove unused *_segments() macros/functions	2017-09-22 12:59:52 -10:00
.gitignore
Kconfig	- For the randstruct plugin, enable automatic randomization of structures	2017-09-07 20:30:19 -07:00