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authorLinus Torvalds <torvalds@linux-foundation.org>2018-08-23 19:20:12 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2018-08-23 19:20:12 -0700
commit33e17876ea4edcd7f5c01efa78e8d02889261abf (patch)
tree3b192cd2314bd0e118ca55a2be17693407e176f7 /drivers
parentd475fac95779577afefbad312c8635c29fe4441c (diff)
parent2b7403035459c75e193c6b04a293e518a4212de0 (diff)
Merge branch 'akpm' (patches from Andrew)
Merge yet more updates from Andrew Morton: - the rest of MM - various misc fixes and tweaks * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (22 commits) mm: Change return type int to vm_fault_t for fault handlers lib/fonts: convert comments to utf-8 s390: ebcdic: convert comments to UTF-8 treewide: convert ISO_8859-1 text comments to utf-8 drivers/gpu/drm/gma500/: change return type to vm_fault_t docs/core-api: mm-api: add section about GFP flags docs/mm: make GFP flags descriptions usable as kernel-doc docs/core-api: split memory management API to a separate file docs/core-api: move *{str,mem}dup* to "String Manipulation" docs/core-api: kill trailing whitespace in kernel-api.rst mm/util: add kernel-doc for kvfree mm/util: make strndup_user description a kernel-doc comment fs/proc/vmcore.c: hide vmcoredd_mmap_dumps() for nommu builds treewide: correct "differenciate" and "instanciate" typos fs/afs: use new return type vm_fault_t drivers/hwtracing/intel_th/msu.c: change return type to vm_fault_t mm: soft-offline: close the race against page allocation mm: fix race on soft-offlining free huge pages namei: allow restricted O_CREAT of FIFOs and regular files hfs: prevent crash on exit from failed search ...
Diffstat (limited to 'drivers')
-rw-r--r--drivers/crypto/vmx/ghashp8-ppc.pl12
-rw-r--r--drivers/gpu/drm/gma500/framebuffer.c14
-rw-r--r--drivers/gpu/drm/gma500/gem.c27
-rw-r--r--drivers/gpu/drm/gma500/psb_drv.h3
-rw-r--r--drivers/hwtracing/intel_th/msu.c2
-rw-r--r--drivers/iio/dac/ltc2632.c2
-rw-r--r--drivers/power/reset/ltc2952-poweroff.c4
-rw-r--r--drivers/thermal/intel_powerclamp.c2
8 files changed, 28 insertions, 38 deletions
diff --git a/drivers/crypto/vmx/ghashp8-ppc.pl b/drivers/crypto/vmx/ghashp8-ppc.pl
index f746af271460..38b06503ede0 100644
--- a/drivers/crypto/vmx/ghashp8-ppc.pl
+++ b/drivers/crypto/vmx/ghashp8-ppc.pl
@@ -129,9 +129,9 @@ $code=<<___;
le?vperm $IN,$IN,$IN,$lemask
vxor $zero,$zero,$zero
- vpmsumd $Xl,$IN,$Hl # H.lo·Xi.lo
- vpmsumd $Xm,$IN,$H # H.hi·Xi.lo+H.lo·Xi.hi
- vpmsumd $Xh,$IN,$Hh # H.hi·Xi.hi
+ vpmsumd $Xl,$IN,$Hl # H.lo·Xi.lo
+ vpmsumd $Xm,$IN,$H # H.hi·Xi.lo+H.lo·Xi.hi
+ vpmsumd $Xh,$IN,$Hh # H.hi·Xi.hi
vpmsumd $t2,$Xl,$xC2 # 1st phase
@@ -187,11 +187,11 @@ $code=<<___;
.align 5
Loop:
subic $len,$len,16
- vpmsumd $Xl,$IN,$Hl # H.lo·Xi.lo
+ vpmsumd $Xl,$IN,$Hl # H.lo·Xi.lo
subfe. r0,r0,r0 # borrow?-1:0
- vpmsumd $Xm,$IN,$H # H.hi·Xi.lo+H.lo·Xi.hi
+ vpmsumd $Xm,$IN,$H # H.hi·Xi.lo+H.lo·Xi.hi
and r0,r0,$len
- vpmsumd $Xh,$IN,$Hh # H.hi·Xi.hi
+ vpmsumd $Xh,$IN,$Hh # H.hi·Xi.hi
add $inp,$inp,r0
vpmsumd $t2,$Xl,$xC2 # 1st phase
diff --git a/drivers/gpu/drm/gma500/framebuffer.c b/drivers/gpu/drm/gma500/framebuffer.c
index 2f00a37684a2..adefae58b5fc 100644
--- a/drivers/gpu/drm/gma500/framebuffer.c
+++ b/drivers/gpu/drm/gma500/framebuffer.c
@@ -108,7 +108,7 @@ static int psbfb_pan(struct fb_var_screeninfo *var, struct fb_info *info)
return 0;
}
-static int psbfb_vm_fault(struct vm_fault *vmf)
+static vm_fault_t psbfb_vm_fault(struct vm_fault *vmf)
{
struct vm_area_struct *vma = vmf->vma;
struct psb_framebuffer *psbfb = vma->vm_private_data;
@@ -118,7 +118,7 @@ static int psbfb_vm_fault(struct vm_fault *vmf)
int page_num;
int i;
unsigned long address;
- int ret;
+ vm_fault_t ret = VM_FAULT_SIGBUS;
unsigned long pfn;
unsigned long phys_addr = (unsigned long)dev_priv->stolen_base +
gtt->offset;
@@ -131,18 +131,14 @@ static int psbfb_vm_fault(struct vm_fault *vmf)
for (i = 0; i < page_num; i++) {
pfn = (phys_addr >> PAGE_SHIFT);
- ret = vm_insert_mixed(vma, address,
+ ret = vmf_insert_mixed(vma, address,
__pfn_to_pfn_t(pfn, PFN_DEV));
- if (unlikely((ret == -EBUSY) || (ret != 0 && i > 0)))
+ if (unlikely(ret & VM_FAULT_ERROR))
break;
- else if (unlikely(ret != 0)) {
- ret = (ret == -ENOMEM) ? VM_FAULT_OOM : VM_FAULT_SIGBUS;
- return ret;
- }
address += PAGE_SIZE;
phys_addr += PAGE_SIZE;
}
- return VM_FAULT_NOPAGE;
+ return ret;
}
static void psbfb_vm_open(struct vm_area_struct *vma)
diff --git a/drivers/gpu/drm/gma500/gem.c b/drivers/gpu/drm/gma500/gem.c
index 913bf4c256fa..576f1b272f23 100644
--- a/drivers/gpu/drm/gma500/gem.c
+++ b/drivers/gpu/drm/gma500/gem.c
@@ -134,12 +134,13 @@ int psb_gem_dumb_create(struct drm_file *file, struct drm_device *dev,
* vma->vm_private_data points to the GEM object that is backing this
* mapping.
*/
-int psb_gem_fault(struct vm_fault *vmf)
+vm_fault_t psb_gem_fault(struct vm_fault *vmf)
{
struct vm_area_struct *vma = vmf->vma;
struct drm_gem_object *obj;
struct gtt_range *r;
- int ret;
+ int err;
+ vm_fault_t ret;
unsigned long pfn;
pgoff_t page_offset;
struct drm_device *dev;
@@ -158,9 +159,10 @@ int psb_gem_fault(struct vm_fault *vmf)
/* For now the mmap pins the object and it stays pinned. As things
stand that will do us no harm */
if (r->mmapping == 0) {
- ret = psb_gtt_pin(r);
- if (ret < 0) {
- dev_err(dev->dev, "gma500: pin failed: %d\n", ret);
+ err = psb_gtt_pin(r);
+ if (err < 0) {
+ dev_err(dev->dev, "gma500: pin failed: %d\n", err);
+ ret = vmf_error(err);
goto fail;
}
r->mmapping = 1;
@@ -175,18 +177,9 @@ int psb_gem_fault(struct vm_fault *vmf)
pfn = (dev_priv->stolen_base + r->offset) >> PAGE_SHIFT;
else
pfn = page_to_pfn(r->pages[page_offset]);
- ret = vm_insert_pfn(vma, vmf->address, pfn);
-
+ ret = vmf_insert_pfn(vma, vmf->address, pfn);
fail:
mutex_unlock(&dev_priv->mmap_mutex);
- switch (ret) {
- case 0:
- case -ERESTARTSYS:
- case -EINTR:
- return VM_FAULT_NOPAGE;
- case -ENOMEM:
- return VM_FAULT_OOM;
- default:
- return VM_FAULT_SIGBUS;
- }
+
+ return ret;
}
diff --git a/drivers/gpu/drm/gma500/psb_drv.h b/drivers/gpu/drm/gma500/psb_drv.h
index e8300f509023..93d2f4000d2f 100644
--- a/drivers/gpu/drm/gma500/psb_drv.h
+++ b/drivers/gpu/drm/gma500/psb_drv.h
@@ -21,6 +21,7 @@
#define _PSB_DRV_H_
#include <linux/kref.h>
+#include <linux/mm_types.h>
#include <drm/drmP.h>
#include <drm/drm_global.h>
@@ -749,7 +750,7 @@ extern int psb_gem_get_aperture(struct drm_device *dev, void *data,
struct drm_file *file);
extern int psb_gem_dumb_create(struct drm_file *file, struct drm_device *dev,
struct drm_mode_create_dumb *args);
-extern int psb_gem_fault(struct vm_fault *vmf);
+extern vm_fault_t psb_gem_fault(struct vm_fault *vmf);
/* psb_device.c */
extern const struct psb_ops psb_chip_ops;
diff --git a/drivers/hwtracing/intel_th/msu.c b/drivers/hwtracing/intel_th/msu.c
index 634f58042c77..d293e55553bd 100644
--- a/drivers/hwtracing/intel_th/msu.c
+++ b/drivers/hwtracing/intel_th/msu.c
@@ -1182,7 +1182,7 @@ static void msc_mmap_close(struct vm_area_struct *vma)
mutex_unlock(&msc->buf_mutex);
}
-static int msc_mmap_fault(struct vm_fault *vmf)
+static vm_fault_t msc_mmap_fault(struct vm_fault *vmf)
{
struct msc_iter *iter = vmf->vma->vm_file->private_data;
struct msc *msc = iter->msc;
diff --git a/drivers/iio/dac/ltc2632.c b/drivers/iio/dac/ltc2632.c
index 28e9b7656b20..15d498fc4758 100644
--- a/drivers/iio/dac/ltc2632.c
+++ b/drivers/iio/dac/ltc2632.c
@@ -1,7 +1,7 @@
/*
* LTC2632 Digital to analog convertors spi driver
*
- * Copyright 2017 Maxime Roussin-Bélanger
+ * Copyright 2017 Maxime Roussin-Bélanger
* expanded by Silvan Murer <silvan.murer@gmail.com>
*
* Licensed under the GPL-2.
diff --git a/drivers/power/reset/ltc2952-poweroff.c b/drivers/power/reset/ltc2952-poweroff.c
index 6b911b6b10a6..c484584745bc 100644
--- a/drivers/power/reset/ltc2952-poweroff.c
+++ b/drivers/power/reset/ltc2952-poweroff.c
@@ -2,7 +2,7 @@
* LTC2952 (PowerPath) driver
*
* Copyright (C) 2014, Xsens Technologies BV <info@xsens.com>
- * Maintainer: René Moll <linux@r-moll.nl>
+ * Maintainer: René Moll <linux@r-moll.nl>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
@@ -319,6 +319,6 @@ static struct platform_driver ltc2952_poweroff_driver = {
module_platform_driver(ltc2952_poweroff_driver);
-MODULE_AUTHOR("René Moll <rene.moll@xsens.com>");
+MODULE_AUTHOR("René Moll <rene.moll@xsens.com>");
MODULE_DESCRIPTION("LTC PowerPath power-off driver");
MODULE_LICENSE("GPL v2");
diff --git a/drivers/thermal/intel_powerclamp.c b/drivers/thermal/intel_powerclamp.c
index 4540e892b61d..cde891c54cde 100644
--- a/drivers/thermal/intel_powerclamp.c
+++ b/drivers/thermal/intel_powerclamp.c
@@ -28,7 +28,7 @@
* case of external interrupts without need for ack, clamping down
* cpu in non-irq context does not reduce irq. for majority of the
* cases, clamping down cpu does help reduce irq as well, we should
- * be able to differenciate the two cases and give a quantitative
+ * be able to differentiate the two cases and give a quantitative
* solution for the irqs that we can control. perhaps based on
* get_cpu_iowait_time_us()
*