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...goes wrong you can send your PR to Linus directly. > It also turns out the nvdimm unit tests crash with this signature on > that branch where base v5.2-rc3 passes: > > BUG: kernel NULL pointer dereference, address: 0000000000000008 > [..] > CPU: 15 PID: 1414 Comm: lt-libndctl Tainted: G OE > 5.2.0-rc3+ #3399 > Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 0.0.0 02/06/2015 > RIP: 0010:percpu_ref_kill_and_confirm+0x1e/0x180 > [..] > Call Trace: > release_nodes+0x234/0x280 > device_release_driver_intern...

...dax-private.h Perhaps we should pull those out and resend them through hmm.git? It also turns out the nvdimm unit tests crash with this signature on that branch where base v5.2-rc3 passes: BUG: kernel NULL pointer dereference, address: 0000000000000008 [..] CPU: 15 PID: 1414 Comm: lt-libndctl Tainted: G OE 5.2.0-rc3+ #3399 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 0.0.0 02/06/2015 RIP: 0010:percpu_ref_kill_and_confirm+0x1e/0x180 [..] Call Trace: release_nodes+0x234/0x280 device_release_driver_internal+0xe8/0x1b0 bus_remove_devic...

Hi Dan, Jérôme and Jason, below is a series that cleans up the dev_pagemap interface so that it is more easily usable, which removes the need to wrap it in hmm and thus allowing to kill a lot of code Diffstat: 22 files changed, 245 insertions(+), 802 deletions(-) Git tree: git://git.infradead.org/users/hch/misc.git hmm-devmem-cleanup Gitweb: