diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-04-30 15:05:54 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-04-30 15:05:54 +0300 |
| commit | 720d690e3680d8ae5fcf86f8614c1a10b4ee7605 (patch) | |
| tree | 02158973d51022d7374f5b6e2f1953b530127f43 /arch/powerpc/platforms/powernv/memtrace.c | |
| parent | 72b6500c1cc68b949faa1bac76359dc601b482d6 (diff) | |
| parent | 6da6c0db5316275015e8cc2959f12a17584aeb64 (diff) | |
| download | linux-720d690e3680d8ae5fcf86f8614c1a10b4ee7605.tar.xz | |
Merge 4.17-rc3 into char-misc-next
We want the fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/powerpc/platforms/powernv/memtrace.c')
| -rw-r--r-- | arch/powerpc/platforms/powernv/memtrace.c | 17 |
1 files changed, 0 insertions, 17 deletions
diff --git a/arch/powerpc/platforms/powernv/memtrace.c b/arch/powerpc/platforms/powernv/memtrace.c index de470caf0784..fc222a0c2ac4 100644 --- a/arch/powerpc/platforms/powernv/memtrace.c +++ b/arch/powerpc/platforms/powernv/memtrace.c @@ -82,19 +82,6 @@ static const struct file_operations memtrace_fops = { .open = simple_open, }; -static void flush_memory_region(u64 base, u64 size) -{ - unsigned long line_size = ppc64_caches.l1d.size; - u64 end = base + size; - u64 addr; - - base = round_down(base, line_size); - end = round_up(end, line_size); - - for (addr = base; addr < end; addr += line_size) - asm volatile("dcbf 0,%0" : "=r" (addr) :: "memory"); -} - static int check_memblock_online(struct memory_block *mem, void *arg) { if (mem->state != MEM_ONLINE) @@ -132,10 +119,6 @@ static bool memtrace_offline_pages(u32 nid, u64 start_pfn, u64 nr_pages) walk_memory_range(start_pfn, end_pfn, (void *)MEM_OFFLINE, change_memblock_state); - /* RCU grace period? */ - flush_memory_region((u64)__va(start_pfn << PAGE_SHIFT), - nr_pages << PAGE_SHIFT); - lock_device_hotplug(); remove_memory(nid, start_pfn << PAGE_SHIFT, nr_pages << PAGE_SHIFT); unlock_device_hotplug(); |