Re: [PATCH v2 2/4] libnvdimm/namespace: Enforce memremap_compat_align()

2020-02-14 Thread Aneesh Kumar K.V
On 2/14/20 10:14 PM, Jeff Moyer wrote: Dan Williams writes: On Thu, Feb 13, 2020 at 1:55 PM Jeff Moyer 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().

Re: [PATCH v2 2/4] libnvdimm/namespace: Enforce memremap_compat_align()

2020-02-14 Thread Jeff Moyer
Dan Williams writes: > On Thu, Feb 13, 2020 at 1:55 PM Jeff Moyer 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

Re: [PATCH v2 2/4] libnvdimm/namespace: Enforce memremap_compat_align()

2020-02-13 Thread Dan Williams
On Thu, Feb 13, 2020 at 1:55 PM Jeff Moyer 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 at 0

Re: [PATCH v2 2/4] libnvdimm/namespace: Enforce memremap_compat_align()

2020-02-13 Thread Jeff Moyer
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

Re: [PATCH v2 2/4] libnvdimm/namespace: Enforce memremap_compat_align()

2020-02-13 Thread Jeff Moyer
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 v2 2/4] libnvdimm/namespace: Enforce memremap_compat_align()

2020-02-12 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]