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Merge branch 'stable' of git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile

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Pull arch/tile bug fixes from Chris Metcalf:
 "This includes Paul Gortmaker's change to fix the <asm/system.h>
  disintegration issues on tile, a fix to unbreak the tilepro ethernet
  driver, and a backlog of bugfix-only changes from internal Tilera
  development over the last few months.

  They have all been to LKML and on linux-next for the last few days.
  The EDAC change to MAINTAINERS is an oddity but discussion on the
  linux-edac list suggested I ask you to pull that change through my
  tree since they don't have a tree to pull edac changes from at the
  moment."

* 'stable' of git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile: (39 commits)
  drivers/net/ethernet/tile: fix netdev_alloc_skb() bombing
  MAINTAINERS: update EDAC information
  tilepro ethernet driver: fix a few minor issues
  tile-srom.c driver: minor code cleanup
  edac: say "TILEGx" not "TILEPro" for the tilegx edac driver
  arch/tile: avoid accidentally unmasking NMI-type interrupt accidentally
  arch/tile: remove bogus performance optimization
  arch/tile: return SIGBUS for addresses that are unaligned AND invalid
  arch/tile: fix finv_buffer_remote() for tilegx
  arch/tile: use atomic exchange in arch_write_unlock()
  arch/tile: stop mentioning the "kvm" subdirectory
  arch/tile: export the page_home() function.
  arch/tile: fix pointer cast in cacheflush.c
  arch/tile: fix single-stepping over swint1 instructions on tilegx
  arch/tile: implement panic_smp_self_stop()
  arch/tile: add "nop" after "nap" to help GX idle power draw
  arch/tile: use proper memparse() for "maxmem" options
  arch/tile: fix up locking in pgtable.c slightly
  arch/tile: don't leak kernel memory when we unload modules
  arch/tile: fix bug in delay_backoff()
  ...
This commit is contained in:
Linus Torvalds 2012-04-06 17:56:20 -07:00
commit 4157368edb
33 changed files with 500 additions and 299 deletions
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28
arch/tile/kernel/setup.c
View file

@ -103,13 +103,11 @@ unsigned long __initdata pci_reserve_end_pfn = -1U;
static int __init setup_maxmem(char *str)
{
long maxmem_mb;
if (str == NULL || strict_strtol(str, 0, &maxmem_mb) != 0 ||
maxmem_mb == 0)
unsigned long long maxmem;
if (str == NULL || (maxmem = memparse(str, NULL)) == 0)
return -EINVAL;
maxmem_pfn = (maxmem_mb >> (HPAGE_SHIFT - 20)) <<
(HPAGE_SHIFT - PAGE_SHIFT);
maxmem_pfn = (maxmem >> HPAGE_SHIFT) << (HPAGE_SHIFT - PAGE_SHIFT);
pr_info("Forcing RAM used to no more than %dMB\n",
maxmem_pfn >> (20 - PAGE_SHIFT));
return 0;
@ -119,14 +117,15 @@ early_param("maxmem", setup_maxmem);
static int __init setup_maxnodemem(char *str)
{
char *endp;
long maxnodemem_mb, node;
unsigned long long maxnodemem;
long node;
node = str ? simple_strtoul(str, &endp, 0) : INT_MAX;
if (node >= MAX_NUMNODES || *endp != ':' ||
strict_strtol(endp+1, 0, &maxnodemem_mb) != 0)
if (node >= MAX_NUMNODES || *endp != ':')
return -EINVAL;
maxnodemem_pfn[node] = (maxnodemem_mb >> (HPAGE_SHIFT - 20)) <<
maxnodemem = memparse(endp+1, NULL);
maxnodemem_pfn[node] = (maxnodemem >> HPAGE_SHIFT) <<
(HPAGE_SHIFT - PAGE_SHIFT);
pr_info("Forcing RAM used on node %ld to no more than %dMB\n",
node, maxnodemem_pfn[node] >> (20 - PAGE_SHIFT));
@ -913,6 +912,13 @@ void __cpuinit setup_cpu(int boot)
#ifdef CONFIG_BLK_DEV_INITRD
/*
* Note that the kernel can potentially support other compression
* techniques than gz, though we don't do so by default. If we ever
* decide to do so we can either look for other filename extensions,
* or just allow a file with this name to be compressed with an
* arbitrary compressor (somewhat counterintuitively).
*/
static int __initdata set_initramfs_file;
static char __initdata initramfs_file[128] = "initramfs.cpio.gz";
@ -928,9 +934,9 @@ static int __init setup_initramfs_file(char *str)
early_param("initramfs_file", setup_initramfs_file);
/*
* We look for an additional "initramfs.cpio.gz" file in the hvfs.
* We look for an "initramfs.cpio.gz" file in the hvfs.
* If there is one, we allocate some memory for it and it will be
* unpacked to the initramfs after any built-in initramfs_data.
* unpacked to the initramfs.
*/
static void __init load_hv_initrd(void)
{