Re: [PATCH v3 3/5] libnvdimm/namespace: Enforce memremap_compat_align()

2020-03-02 Thread Dan Williams
On Mon, Mar 2, 2020 at 4:09 AM Aneesh Kumar K.V wrote: > > Dan Williams writes: > > > The pmem driver on PowerPC crashes with the following signature when > > instantiating misaligned namespaces that map their capacity via > > memremap_pages(). > > > > BUG: Unable to handle kernel data access

Re: [PATCH v3 3/5] libnvdimm/namespace: Enforce memremap_compat_align()

2020-03-02 Thread Aneesh Kumar K.V
Dan Williams writes: > The pmem driver on PowerPC crashes with the following signature when > instantiating misaligned namespaces that map their capacity via > memremap_pages(). > > BUG: Unable to handle kernel data access at 0xc00100040600 > Faulting instruction address: 0xc0

[PATCH v3 3/5] libnvdimm/namespace: Enforce memremap_compat_align()

2020-02-28 Thread Dan Williams
The pmem driver on PowerPC crashes with the following signature when instantiating misaligned namespaces that map their capacity via memremap_pages(). BUG: Unable to handle kernel data access at 0xc00100040600 Faulting instruction address: 0xc0090790 NIP [c0090790]