linux.git/kernel/kexec.c, branch v3.13-rc3

Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial

2013-11-16T00:47:22+00:00

Pull trivial tree updates from Jiri Kosina:
 "Usual earth-shaking, news-breaking, rocket science pile from
  trivial.git"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (23 commits)
  doc: usb: Fix typo in Documentation/usb/gadget_configs.txt
  doc: add missing files to timers/00-INDEX
  timekeeping: Fix some trivial typos in comments
  mm: Fix some trivial typos in comments
  irq: Fix some trivial typos in comments
  NUMA: fix typos in Kconfig help text
  mm: update 00-INDEX
  doc: Documentation/DMA-attributes.txt fix typo
  DRM: comment: `halve' -> `half'
  Docs: Kconfig: `devlopers' -> `developers'
  doc: typo on word accounting in kprobes.c in mutliple architectures
  treewide: fix "usefull" typo
  treewide: fix "distingush" typo
  mm/Kconfig: Grammar s/an/a/
  kexec: Typo s/the/then/
  Documentation/kvm: Update cpuid documentation for steal time and pv eoi
  treewide: Fix common typo in "identify"
  __page_to_pfn: Fix typo in comment
  Correct some typos for word frequency
  clk: fixed-factor: Fix a trivial typo
  ...

kexec: Typo s/the/then/

2013-10-14T13:37:41+00:00

Signed-off-by: Geert Uytterhoeven 
Signed-off-by: Jiri Kosina

kexec: remove unnecessary return

2013-09-11T22:59:10+00:00

Code can not run here forever, so remove the unnecessary return.

Signed-off-by: Xishi Qiu 
Suggested-by: Zhang Yanfei 
Reviewed-by: Simon Horman 
Reviewed-by: Zhang Yanfei 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

kexec: Use min() and min_t() to simplify logic

2013-05-01T00:04:07+00:00

Simplify the logic of variable assignments.

[akpm@linux-foundation.org: replace min_t with min, remove unneeded casts]
Signed-off-by: Zhang Yanfei 
Cc: "Eric W. Biederman" 
Reviewed-by: Simon Horman 
Cc: Joe Perches 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

kexec: fix wrong types of some local variables

2013-05-01T00:04:07+00:00

The types of the following local variables:

- ubytes/mbytes in kimage_load_crash_segment()/kimage_load_normal_segment()

- r in vmcoreinfo_append_str()

are wrong, so fix them.

Signed-off-by: Zhang Yanfei 
Cc: "Eric W. Biederman" 
Cc: Simon Horman 
Cc: Joe Perches 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

kexec, vmalloc: export additional vmalloc layer information

2013-04-29T22:54:34+00:00

Now, vmap_area_list is exported as VMCOREINFO for makedumpfile to get
the start address of vmalloc region (vmalloc_start).  The address which
contains vmalloc_start value is represented as below:

  vmap_area_list.next - OFFSET(vmap_area.list) + OFFSET(vmap_area.va_start)

However, both OFFSET(vmap_area.va_start) and OFFSET(vmap_area.list)
aren't exported as VMCOREINFO.

So this patch exports them externally with small cleanup.

[akpm@linux-foundation.org: vmalloc.h should include list.h for list_head]
Signed-off-by: Atsushi Kumagai 
Cc: Joonsoo Kim 
Cc: Joonsoo Kim 
Cc: Thomas Gleixner 
Cc: "H. Peter Anvin" 
Cc: Atsushi Kumagai 
Cc: Chris Metcalf 
Cc: Dave Anderson 
Cc: Eric Biederman 
Cc: Guan Xuetao 
Cc: Ingo Molnar 
Cc: Vivek Goyal 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

mm, vmalloc: export vmap_area_list, instead of vmlist

2013-04-29T22:54:34+00:00

Although our intention is to unexport internal structure entirely, but
there is one exception for kexec.  kexec dumps address of vmlist and
makedumpfile uses this information.

We are about to remove vmlist, then another way to retrieve information
of vmalloc layer is needed for makedumpfile.  For this purpose, we
export vmap_area_list, instead of vmlist.

Signed-off-by: Joonsoo Kim 
Signed-off-by: Joonsoo Kim 
Cc: Eric Biederman 
Cc: Dave Anderson 
Cc: Vivek Goyal 
Cc: Atsushi Kumagai 
Cc: Thomas Gleixner 
Cc: "H. Peter Anvin" 
Cc: Chris Metcalf 
Cc: Guan Xuetao 
Cc: Ingo Molnar 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

mm,kexec: use common help functions to free reserved pages

2013-04-29T22:54:31+00:00

Use common help functions to free reserved pages.

Signed-off-by: Jiang Liu 
Cc: Eric Biederman 
Reviewed-by: Zhang Yanfei 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

kexec: use Crash kernel for Crash kernel low

2013-04-17T19:35:34+00:00

We can extend kexec-tools to support multiple "Crash kernel" in /proc/iomem
instead.

So we can use "Crash kernel" instead of "Crash kernel low" in /proc/iomem.

Suggested-by: Vivek Goyal 
Signed-off-by: Yinghai Lu 
Link: http://lkml.kernel.org/r/1366089828-19692-3-git-send-email-yinghai@kernel.org
Acked-by: Vivek Goyal 
Signed-off-by: H. Peter Anvin

x86, kdump: Change crashkernel_high/low= to crashkernel=,high/low

2013-04-17T19:35:33+00:00

Per hpa, use crashkernel=X,high crashkernel=Y,low instead of
crashkernel_hign=X crashkernel_low=Y. As that could be extensible.

-v2: according to Vivek, change delimiter to ;
-v3: let hign and low only handle simple form and it conforms to
	description in kernel-parameters.txt
     still keep crashkernel=X override any crashkernel=X,high
        crashkernel=Y,low
-v4: update get_last_crashkernel returning and add more strict
     checking in parse_crashkernel_simple() found by HATAYAMA.
-v5: Change delimiter back to , according to HPA.
     also separate parse_suffix from parse_simper according to vivek.
	so we can avoid @pos in that path.
-v6: Tight the checking about crashkernel=X,highblahblah,high
     found by HTYAYAMA.

Cc: HATAYAMA Daisuke 
Signed-off-by: Yinghai Lu 
Link: http://lkml.kernel.org/r/1366089828-19692-5-git-send-email-yinghai@kernel.org
Acked-by: Vivek Goyal 
Signed-off-by: H. Peter Anvin