On Mon, Oct 15, 2018 at 03:13:19PM -0700, Andrew Morton wrote:
> On Tue, 16 Oct 2018 07:24:39 +1100 Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote:
>
> > On Tue, 16 Oct 2018 07:12:40 +1100 Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote:
> > >
> > > On Mon, 15 Oct 2018 11:26:37 -0700 Guenter Roeck <linux@xxxxxxxxxxxx> wrote:
> > > >
> > > > ALl ppc qemu tests (including big endian pseries) also generate a warning.
> > > >
> > > > WARNING: CPU: 0 PID: 0 at mm/memblock.c:1301 .memblock_alloc_range_nid+0x20/0x68
> >
> > That is:
> >
> > static phys_addr_t __init memblock_alloc_range_nid(phys_addr_t size,
> > phys_addr_t align, phys_addr_t start,
> > phys_addr_t end, int nid,
> > enum memblock_flags flags)
> > {
> > if (WARN_ON_ONCE(!align))
> > align = SMP_CACHE_BYTES;
> >
> > Looks like patch
> >
> > "memblock: stop using implicit alignment to SMP_CACHE_BYTES"
> >
> > missed some places ...
>
> To be expected, I guess. I'm pretty relaxed about this ;) Let's do
> another sweep in a week or so, after which we'll have a couple of
> months to mop up any leftovers.
After some more grepping and spatching I've found these:
>From 8b014bae53a78ab747dbb76b9aff7df4cefcb604 Mon Sep 17 00:00:00 2001
From: Mike Rapoport <rppt@xxxxxxxxxxxxx>
Date: Tue, 16 Oct 2018 16:03:00 +0300
Subject: [PATCH] memblock: fix missed uses of implicit aligment
A couple of memblock*alloc uses were missed during conversion from implicit
alignment setting with 'align = 0' to explictly using SMP_CACHE_BYTES.
Fix them now.
Signed-off-by: Mike Rapoport <rppt@xxxxxxxxxxxxx>
---
arch/powerpc/kernel/paca.c | 2 +-
drivers/firmware/efi/memmap.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/powerpc/kernel/paca.c b/arch/powerpc/kernel/paca.c
index f331a00..913bfca 100644
--- a/arch/powerpc/kernel/paca.c
+++ b/arch/powerpc/kernel/paca.c
@@ -198,7 +198,7 @@ void __init allocate_paca_ptrs(void)
paca_nr_cpu_ids = nr_cpu_ids;
paca_ptrs_size = sizeof(struct paca_struct *) * nr_cpu_ids;
- paca_ptrs = __va(memblock_phys_alloc(paca_ptrs_size, 0));
+ paca_ptrs = __va(memblock_phys_alloc(paca_ptrs_size, SMP_CACHE_BYTES));
memset(paca_ptrs, 0x88, paca_ptrs_size);
}
diff --git a/drivers/firmware/efi/memmap.c b/drivers/firmware/efi/memmap.c
index ef618bc..fa2904f 100644
--- a/drivers/firmware/efi/memmap.c
+++ b/drivers/firmware/efi/memmap.c
@@ -15,7 +15,7 @@
static phys_addr_t __init __efi_memmap_alloc_early(unsigned long size)
{
- return memblock_phys_alloc(size, 0);
+ return memblock_phys_alloc(size, SMP_CACHE_BYTES);
}
static phys_addr_t __init __efi_memmap_alloc_late(unsigned long size)
--
2.7.4
--
Sincerely yours,
Mike.
