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Merge branch 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

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Pull x86 mm updates from Ingo Molnar:
 "The main x86 MM changes in this cycle were:

   - continued native kernel PCID support preparation patches to the TLB
     flushing code (Andy Lutomirski)

   - various fixes related to 32-bit compat syscall returning address
     over 4Gb in applications, launched from 64-bit binaries - motivated
     by C/R frameworks such as Virtuozzo. (Dmitry Safonov)

   - continued Intel 5-level paging enablement: in particular the
     conversion of x86 GUP to the generic GUP code. (Kirill A. Shutemov)

   - x86/mpx ABI corner case fixes/enhancements (Joerg Roedel)

   - ... plus misc updates, fixes and cleanups"

* 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (62 commits)
  mm, zone_device: Replace {get, put}_zone_device_page() with a single reference to fix pmem crash
  x86/mm: Fix flush_tlb_page() on Xen
  x86/mm: Make flush_tlb_mm_range() more predictable
  x86/mm: Remove flush_tlb() and flush_tlb_current_task()
  x86/vm86/32: Switch to flush_tlb_mm_range() in mark_screen_rdonly()
  x86/mm/64: Fix crash in remove_pagetable()
  Revert "x86/mm/gup: Switch GUP to the generic get_user_page_fast() implementation"
  x86/boot/e820: Remove a redundant self assignment
  x86/mm: Fix dump pagetables for 4 levels of page tables
  x86/mpx, selftests: Only check bounds-vs-shadow when we keep shadow
  x86/mpx: Correctly report do_mpx_bt_fault() failures to user-space
  Revert "x86/mm/numa: Remove numa_nodemask_from_meminfo()"
  x86/espfix: Add support for 5-level paging
  x86/kasan: Extend KASAN to support 5-level paging
  x86/mm: Add basic defines/helpers for CONFIG_X86_5LEVEL=y
  x86/paravirt: Add 5-level support to the paravirt code
  x86/mm: Define virtual memory map for 5-level paging
  x86/asm: Remove __VIRTUAL_MASK_SHIFT==47 assert
  x86/boot: Detect 5-level paging support
  x86/mm/numa: Remove numa_nodemask_from_meminfo()
  ...
This commit is contained in:
Linus Torvalds 2017-05-01 23:54:56 -07:00
commit d3b5d35290
93 changed files with 1845 additions and 711 deletions
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13
drivers/nvdimm/pmem.c
View file

@ -25,6 +25,7 @@
#include <linux/badblocks.h>
#include <linux/memremap.h>
#include <linux/vmalloc.h>
#include <linux/blk-mq.h>
#include <linux/pfn_t.h>
#include <linux/slab.h>
#include <linux/pmem.h>
@ -231,6 +232,11 @@ static void pmem_release_queue(void *q)
blk_cleanup_queue(q);
}
static void pmem_freeze_queue(void *q)
{
blk_freeze_queue_start(q);
}
static void pmem_release_disk(void *disk)
{
del_gendisk(disk);
@ -284,6 +290,9 @@ static int pmem_attach_disk(struct device *dev,
if (!q)
return -ENOMEM;
if (devm_add_action_or_reset(dev, pmem_release_queue, q))
return -ENOMEM;
pmem->pfn_flags = PFN_DEV;
if (is_nd_pfn(dev)) {
addr = devm_memremap_pages(dev, &pfn_res, &q->q_usage_counter,
@ -303,10 +312,10 @@ static int pmem_attach_disk(struct device *dev,
pmem->size, ARCH_MEMREMAP_PMEM);
/*
* At release time the queue must be dead before
* At release time the queue must be frozen before
* devm_memremap_pages is unwound
*/
if (devm_add_action_or_reset(dev, pmem_release_queue, q))
if (devm_add_action_or_reset(dev, pmem_freeze_queue, q))
return -ENOMEM;
if (IS_ERR(addr))