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r: 45550
b: refs/heads/master
c: d8dafd8
h: refs/heads/master
v: v3
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Randy Dunlap authored and James Bottomley committed Jan 3, 2007
1 parent d3d10da commit 9745623
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2 changes: 1 addition & 1 deletion [refs]
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@@ -1,2 +1,2 @@
---
refs/heads/master: 0bf98542a07ee1341830dcc4be63df85645f76b9
refs/heads/master: d8dafd8ccde06f16095234dc3addf52b511805b3
5 changes: 2 additions & 3 deletions trunk/Documentation/cachetlb.txt
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Expand Up @@ -373,15 +373,14 @@ maps this page at its virtual address.
likely that you will need to flush the instruction cache
for copy_to_user_page().

void flush_anon_page(struct vm_area_struct *vma, struct page *page,
unsigned long vmaddr)
void flush_anon_page(struct page *page, unsigned long vmaddr)
When the kernel needs to access the contents of an anonymous
page, it calls this function (currently only
get_user_pages()). Note: flush_dcache_page() deliberately
doesn't work for an anonymous page. The default
implementation is a nop (and should remain so for all coherent
architectures). For incoherent architectures, it should flush
the cache of the page at vmaddr.
the cache of the page at vmaddr in the current user process.

void flush_kernel_dcache_page(struct page *page)
When the kernel needs to modify a user page is has obtained
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62 changes: 0 additions & 62 deletions trunk/Documentation/feature-removal-schedule.txt
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Expand Up @@ -226,23 +226,6 @@ Who: Jean Delvare <khali@linux-fr.org>

---------------------------

What: i2c_adapter.dev
i2c_adapter.list
When: July 2007
Why: Superfluous, given i2c_adapter.class_dev:
* The "dev" was a stand-in for the physical device node that legacy
drivers would not have; but now it's almost always present. Any
remaining legacy drivers must upgrade (they now trigger warnings).
* The "list" duplicates class device children.
The delay in removing this is so upgraded lm_sensors and libsensors
can get deployed. (Removal causes minor changes in the sysfs layout,
notably the location of the adapter type name and parenting the i2c
client hardware directly from their controller.)
Who: Jean Delvare <khali@linux-fr.org>,
David Brownell <dbrownell@users.sourceforge.net>

---------------------------

What: IPv4 only connection tracking/NAT/helpers
When: 2.6.22
Why: The new layer 3 independant connection tracking replaces the old
Expand Down Expand Up @@ -273,48 +256,3 @@ Why: Speedstep-centrino driver with ACPI hooks and acpi-cpufreq driver are
Who: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>

---------------------------

What: ACPI hotkey driver (CONFIG_ACPI_HOTKEY)
When: 2.6.21
Why: hotkey.c was an attempt to consolidate multiple drivers that use
ACPI to implement hotkeys. However, hotkeys are not documented
in the ACPI specification, so the drivers used undocumented
vendor-specific hooks and turned out to be more different than
the same.

Further, the keys and the features supplied by each platform
are different, so there will always be a need for
platform-specific drivers.

So the new plan is to delete hotkey.c and instead, work on the
platform specific drivers to try to make them look the same
to the user when they supply the same features.

hotkey.c has always depended on CONFIG_EXPERIMENTAL

Who: Len Brown <len.brown@intel.com>

---------------------------

What: /sys/firmware/acpi/namespace
When: 2.6.21
Why: The ACPI namespace is effectively the symbol list for
the BIOS. The device names are completely arbitrary
and have no place being exposed to user-space.

For those interested in the BIOS ACPI namespace,
the BIOS can be extracted and disassembled with acpidump
and iasl as documented in the pmtools package here:
http://ftp.kernel.org/pub/linux/kernel/people/lenb/acpi/utils

Who: Len Brown <len.brown@intel.com>

---------------------------

What: /proc/acpi/button
When: August 2007
Why: /proc/acpi/button has been replaced by events to the input layer
since 2.6.20.
Who: Len Brown <len.brown@intel.com>

---------------------------
8 changes: 0 additions & 8 deletions trunk/Documentation/filesystems/Locking
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Expand Up @@ -171,7 +171,6 @@ prototypes:
int (*releasepage) (struct page *, int);
int (*direct_IO)(int, struct kiocb *, const struct iovec *iov,
loff_t offset, unsigned long nr_segs);
int (*launder_page) (struct page *);

locking rules:
All except set_page_dirty may block
Expand All @@ -189,7 +188,6 @@ bmap: yes
invalidatepage: no yes
releasepage: no yes
direct_IO: no
launder_page: no yes

->prepare_write(), ->commit_write(), ->sync_page() and ->readpage()
may be called from the request handler (/dev/loop).
Expand Down Expand Up @@ -283,12 +281,6 @@ buffers from the page in preparation for freeing it. It returns zero to
indicate that the buffers are (or may be) freeable. If ->releasepage is zero,
the kernel assumes that the fs has no private interest in the buffers.

->launder_page() may be called prior to releasing a page if
it is still found to be dirty. It returns zero if the page was successfully
cleaned, or an error value if not. Note that in order to prevent the page
getting mapped back in and redirtied, it needs to be kept locked
across the entire operation.

Note: currently almost all instances of address_space methods are
using BKL for internal serialization and that's one of the worst sources
of contention. Normally they are calling library functions (in fs/buffer.c)
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2 changes: 0 additions & 2 deletions trunk/Documentation/filesystems/ntfs.txt
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Expand Up @@ -457,8 +457,6 @@ ChangeLog

Note, a technical ChangeLog aimed at kernel hackers is in fs/ntfs/ChangeLog.

2.1.28:
- Fix a deadlock.
2.1.27:
- Implement page migration support so the kernel can move memory used
by NTFS files and directories around for management purposes.
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8 changes: 6 additions & 2 deletions trunk/Documentation/hwmon/w83793
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Expand Up @@ -45,14 +45,18 @@ This driver implements support for Winbond W83793G/W83793R chips.
temp5-6 have a 1 degree Celsiis resolution.

* Temperature sensor types
Temp1-4 have 2 possible types. It can be read from (and written to)
Temp1-4 have 3 possible types. It can be read from (and written to)
temp[1-4]_type.
- If the value of 0, the related temperature channel stops
monitoring.
- If the value is 3, it starts monitoring using a remote termal diode
(default).
- If the value is 5, it starts monitoring using the temperature sensor
in AMD CPU and get result by AMDSI.
- If the value is 6, it starts monitoring using the temperature sensor
in Intel CPU and get result by PECI.
Temp5-6 can be connected to external thermistors (value of
temp[5-6]_type is 4).
temp[5-6]_type is 4). They can also be disabled (value is 0).

* Alarm mechanism
For voltage sensors, an alarm triggers if the measured value is below
Expand Down
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