[PATCH V8] mm/debug: Add tests validating architecture page table helpers

2019-10-27 Thread Anshuman Khandual
This adds tests which will validate architecture page table helpers and other accessors in their compliance with expected generic MM semantics. This will help various architectures in validating changes to existing page table helpers or addition of new ones. This test covers basic page table entry

Re: [PATCH 09/10] powerpc: Enable OpenCAPI Storage Class Memory driver on bare metal

2019-10-27 Thread Oliver O'Halloran
On Fri, Oct 25, 2019 at 3:51 PM Alastair D'Silva wrote: > > From: Alastair D'Silva > > Enable OpenCAPI Storage Class Memory driver on bare metal > > Signed-off-by: Alastair D'Silva > --- > arch/powerpc/configs/powernv_defconfig | 4 > 1 file changed, 4 insertions(+) > > diff --git a/arch/p

[RFC PATCH] nvdimm: scm_get() can be static

2019-10-27 Thread kbuild test robot
Fixes: 0d40f55b9035 ("nvdimm: Add driver for OpenCAPI Storage Class Memory") Signed-off-by: kbuild test robot --- ocxl-scm.c |4 ++-- ocxl-scm_internal.c |4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/nvdimm/ocxl-scm.c b/drivers/nvdimm/ocxl-scm.

Re: linux-next: build warning after merge of the bpf-next tree

2019-10-27 Thread Stephen Rothwell
Hi all, On Fri, 18 Oct 2019 10:56:57 +1100 Stephen Rothwell wrote: > > Hi all, > > After merging the bpf-next tree, today's linux-next build (powerpc > ppc64_defconfig) produced this warning: > > WARNING: 2 bad relocations > c1998a48 R_PPC64_ADDR64_binary__btf_vmlinux_bin_start > c

Re: [PATCH 02/10] nvdimm: remove prototypes for nonexistent functions

2019-10-27 Thread Andrew Donnellan
On 25/10/19 3:46 pm, Alastair D'Silva wrote: From: Alastair D'Silva These functions don't exist, so remove the prototypes for them. Signed-off-by: Alastair D'Silva Indeed, they do not. Reviewed-by: Andrew Donnellan --- drivers/nvdimm/nd-core.h | 4 1 file changed, 4 deletions(-)

Re: [PATCH 08/10] nvdimm: Add driver for OpenCAPI Storage Class Memory

2019-10-27 Thread kbuild test robot
Hi Alastair, Thank you for the patch! Yet something to improve: [auto build test ERROR on char-misc/char-misc-testing] [cannot apply to v5.4-rc5 next-20191025] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' o

Re: [PATCH v6 05/10] mm/memory_hotplug: Shrink zones when offlining memory

2019-10-27 Thread David Hildenbrand
On 06.10.19 10:56, David Hildenbrand wrote: We currently try to shrink a single zone when removing memory. We use the zone of the first page of the memory we are removing. If that memmap was never initialized (e.g., memory was never onlined), we will read garbage and can trigger kernel BUGs (due

Re: [PATCH 08/10] nvdimm: Add driver for OpenCAPI Storage Class Memory

2019-10-27 Thread kbuild test robot
Hi Alastair, Thank you for the patch! Yet something to improve: [auto build test ERROR on char-misc/char-misc-testing] [cannot apply to v5.4-rc5 next-20191025] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' o

Re: [PATCH 04/10] powerpc: Map & release OpenCAPI LPC memory

2019-10-27 Thread kbuild test robot
Hi Alastair, Thank you for the patch! Yet something to improve: [auto build test ERROR on char-misc/char-misc-testing] [cannot apply to v5.4-rc5 next-20191025] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' o

Re: [PATCH 04/10] powerpc: Map & release OpenCAPI LPC memory

2019-10-27 Thread kbuild test robot
Hi Alastair, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on char-misc/char-misc-testing] [also build test WARNING on v5.4-rc5] [cannot apply to next-20191025] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW

Re: [RFC PATCH] powerpc/32: Switch VDSO to C implementation.

2019-10-27 Thread Segher Boessenkool
On Sun, Oct 27, 2019 at 10:21:25AM +0100, Christophe Leroy wrote: > Le 27/10/2019 à 01:06, Segher Boessenkool a écrit : > >The hand-optimised asm code will pretty likely win handsomely, whatever > >you do. Especially on cores like the 885 (no branch prediction, single > >issue, small caches, etc.:

Re: [PATCH v6 25/30] PNP: Don't reserve BARs for PCI when enabled movable BARs

2019-10-27 Thread kbuild test robot
Hi Sergey, Thank you for the patch! Yet something to improve: [auto build test ERROR on pci/next] [also build test ERROR on v5.4-rc4 next-20191025] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to spe

Re: [PATCH RESEND v14 2/6] namei: LOOKUP_IN_ROOT: chroot-like path resolution

2019-10-27 Thread Aleksa Sarai
On 2019-10-27, Linus Torvalds wrote: > On Sat, Oct 26, 2019 at 2:58 PM Aleksa Sarai wrote: > > > > + /* LOOKUP_IN_ROOT treats absolute paths as being relative-to-dirfd. > > */ > > + if (flags & LOOKUP_IN_ROOT) > > + while (*s == '/') > > + s++; > >

Re: [PATCH RESEND v14 2/6] namei: LOOKUP_IN_ROOT: chroot-like path resolution

2019-10-27 Thread Linus Torvalds
On Sat, Oct 26, 2019 at 2:58 PM Aleksa Sarai wrote: > > + /* LOOKUP_IN_ROOT treats absolute paths as being relative-to-dirfd. */ > + if (flags & LOOKUP_IN_ROOT) > + while (*s == '/') > + s++; > + > /* Figure out the starting path and root (if

Re: [RFC PATCH] powerpc/32: Switch VDSO to C implementation.

2019-10-27 Thread Christophe Leroy
Le 27/10/2019 à 01:06, Segher Boessenkool a écrit : On Sat, Oct 26, 2019 at 08:48:27PM +0200, Thomas Gleixner wrote: On Sat, 26 Oct 2019, Christophe Leroy wrote: Let's look at the code: __cvdso_gettimeofday(struct __kernel_old_timeval *tv, struct timezone *tz) { const struct vdso_da