On Wed, 2019-12-04 at 05:29:09 UTC, "Aneesh Kumar K.V" wrote: > This patch fix the below kernel crash. > > BUG: Unable to handle kernel data access on read at 0xc000000380000000 > Faulting instruction address: 0xc00000000008b6f0 > cpu 0x5: Vector: 300 (Data Access) at [c0000000d8587790] > pc: c00000000008b6f0: arch_remove_memory+0x150/0x210 > lr: c00000000008b720: arch_remove_memory+0x180/0x210 > sp: c0000000d8587a20 > msr: 800000000280b033 > dar: c000000380000000 > dsisr: 40000000 > current = 0xc0000000d8558600 > paca = 0xc00000000fff8f00 irqmask: 0x03 irq_happened: 0x01 > pid = 1220, comm = ndctl > enter ? for help > memunmap_pages+0x33c/0x410 > devm_action_release+0x30/0x50 > release_nodes+0x30c/0x3a0 > device_release_driver_internal+0x178/0x240 > unbind_store+0x74/0x190 > drv_attr_store+0x44/0x60 > sysfs_kf_write+0x74/0xa0 > kernfs_fop_write+0x1b0/0x260 > __vfs_write+0x3c/0x70 > vfs_write+0xe4/0x200 > ksys_write+0x7c/0x140 > system_call+0x5c/0x68 > > Fixes: 076265907cf9 ("powerpc: Chunk calls to flush_dcache_range in > arch_*_memory") > Reported-by: Sachin Sant <sach...@linux.vnet.ibm.com> > Signed-off-by: Aneesh Kumar K.V <aneesh.ku...@linux.ibm.com>
Applied to powerpc fixes, thanks. https://git.kernel.org/powerpc/c/6f4679b956741d2da6ad3ebb738cbe1264ac8781 cheers