| Commit message (Collapse) | Author | Age |
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Firmware V4 on CF8381 reports region code shifted by 1 byte to left.
The following patch checks for this and handles it properly.
Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Two users of ar9170 devices have now reported their cards
have been programmed with a regulatory domain of 0x8000.
This is not a valid regulatory domain as such these users were
unable to use these devices. Since this doesn't seem to be
a device EEPROM corruption we must treat it specially. It
may have been possible the manufacturer intended to use 0x0
as the regulatory domain and that would ultimately yield
to US but since we cannot get confirmationf or this we
default this special case to one of our world regulatory
domains, specifically 0x64.
Reported-by: DavidFreeman on #linux-wireless
Reported-by: Joerg Albert <jal2@gmx.de>
Cc: Christian Lamparter <chunkeey@web.de>,
Cc: Stephen Chen <stephen.chen@atheros.com>
Cc: David Quan <david.quan@atheros.com>
Cc: Tony Yang <tony.yang@atheros.com>
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Fix a potential NULL dereference bug during
error handling in p54spi_probe.
This bug was discovered by smatch:
(http://repo.or.cz/w/smatch.git).
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Christian Lamparter <chunkeey@web.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Fix another polarity error introduced by the rfkill rewrite,
this time in acer_rfkill_set().
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch fixes a double free corruption in __cfg80211_scan_done:
================================================
BUG kmalloc-512: Object already free
------------------------------------------------
INFO: Allocated in load_elf_binary+0x18b/0x19af age=6
INFO: Freed in load_elf_binary+0x104e/0x19af age=5
INFO: Slab 0xffffea0001bae4c0 objects=14 used=7
INFO: Object 0xffff88007e8a9918 @offset=6424 fp=0xffff88007e8a9488
Bytes b4 0xffff88007e8a9908: 00 00 00 00 00 00 00 00 5a 5a
[...]
Pid: 28705, comm: rmmod Tainted: P C 2.6.31-rc2-wl #1
Call Trace:
[<ffffffff810da9f4>] print_trailer+0x14e/0x16e
[<ffffffff810daa56>] object_err+0x42/0x61
[<ffffffff810dbcd9>] __slab_free+0x2af/0x396
[<ffffffffa0ec9694>] ? wiphy_unregister+0x92/0x142 [cfg80211]
[<ffffffff810dd5e3>] kfree+0x13c/0x17a
[<ffffffffa0ec9694>] ? wiphy_unregister+0x92/0x142 [cfg80211]
[<ffffffffa0ec9694>] wiphy_unregister+0x92/0x142 [cfg80211]
[<ffffffffa0eed163>] ieee80211_unregister_hw+0xc8/0xff [mac80211]
[<ffffffffa0f3fbc8>] p54_unregister_common+0x31/0x66 [p54common]
[...]
FIX kmalloc-512: Object at 0xffff88007e8a9918 not freed
The code path which leads to the *funny* double free:
request = rdev->scan_req;
dev = dev_get_by_index(&init_net, request->ifidx);
/*
* the driver was unloaded recently and
* therefore dev_get_by_index will return NULL!
*/
if (!dev)
goto out;
[...]
rdev->scan_req = NULL; /* not executed... */
[...]
out:
kfree(request);
Signed-off-by: Christian Lamparter <chunkeey@web.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Some drivers don't need the return value of rfkill_set_hw_state(),
so it should not be marked as __must_check.
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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For AP mode we must tune ANI specially for 2 GHz and
for 5 GHz. We mask in only the flags we want to toggle
on ath9k_hw_ani_control() through the ah->ani_function
bitmask, this will take care of ignoring changes during
ANI reset which we were disabling before.
Testedy-by: Steven Luo <steven@steven676.net>
Cc: Bennyam Malavazi <bennyam.malavazi@atheros.com>
Cc: Jouni Malinen <jouni.malinen@Atheros.com>
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The commit below changed the semantics of rt2x00_check_rev so that it no
longer checked the bottom 4 bits of the rev were non-zero. During that
conversion this part of the check was not propogated to the rt2500usb
initialisation.
commit 358623c22c9fd837b3b1b444377037f72553dc9f
Author: Ivo van Doorn <ivdoorn@gmail.com>
Date: Tue May 5 19:46:08 2009 +0200
rt2x00: Simplify rt2x00_check_rev
Without this check rt73 devices are miss recognised as rt2500 devices and
two drivers are loaded. Preventing the device being used. Reinstate this
check.
Signed-off-by: Andy Whitcroft <apw@canonical.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Potential memory leak via msg pointer in nl80211_get_key() function.
Signed-off-by: Niko Jokinen <ext-niko.k.jokinen@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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When rtl8187 is unloaded and CONFIG_RTL8187_LEDS is set, the kernel
may oops when the module is unloaded as the workqueue for led_on was
not being cancelled.
This patch fixes the problem reported in
http://marc.info/?l=linux-wireless&m=124742957615781&w=2.
Reported-by: Gábor Stefanik <netrolller.3d@gmail.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Pavel Roskin reported some issues with using AP mode without
nohwcrypt=1. Most likely this is similar to the problem fixed
some time ago in ath9k by 3f53dd64f192450cb331c0fecfc26ca952fb242f,
"ath9k: Fix hw crypto configuration for TKIP in AP mode."
That only affects TKIP but it's easiest to just disable that and
WEP too until we get a proper fix in.
Signed-off-by: Bob Copeland <me@bobcopeland.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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For forwarded frames, we save the precursor address in addr1 in case it
needs to be used to send a Path Error. mesh_path_discard_frame,
however, was using addr2 instead of addr1 to send Path Error frames, so
correct that and also make the comment regarding this more clear.
Signed-off-by: Andrey Yurovsky <andrey@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Once the "data" pointer is freed, we can't be iterating
to the next item in the list any more so we need to use
list_for_each_entry_safe with a temporary variable.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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If you rmmod the module while associated, frames might
be transmitted during unregistration -- which will crash
if the hwsim%d interface is unregistered first, so only
do that after all the virtual wiphys are gone.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The point of this function is to set the software and hardware state at
the same time. When I tried to use it, I found it was only setting the
software state.
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Reviewed-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The location of the 802.11 header is calculated incorrectly due to a
wrong placement of parentheses. Found by kmemcheck.
Signed-off-by: Pavel Roskin <proski@gnu.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Apparently there actually _are_ tools that try to set
this in sysfs even though it wasn't supposed to be used
this way without claiming first. Guess what: now that
I've cleaned it all up it doesn't matter and we can
simply allow setting the soft-block state in sysfs.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Tested-By: Darren Salt <linux@youmustbejoking.demon.co.uk>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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My kvm instance was complaining a lot about sleeping
in atomic contexts in the mesh code, and it turns out
that both mesh_path_add() and mpp_path_add() need to
be able to sleep (they even use synchronize_rcu()!).
I put in a might_sleep() to annotate that, but I see
no way, at least right now, of actually making sure
those functions are only called from process context
since they are both called during TX and RX and the
mesh code itself even calls them with rcu_read_lock()
"held".
Therefore, let's disable it completely for now.
It's possible that I'm only seeing this because the
hwsim's beaconing is broken and thus the peers aren't
discovered right away, but it is possible that this
happens even if beaconing is working, for a peer that
doesn't exist or so.
It should be possible to solve this by deferring the
freeing of the tables to call_rcu() instead of using
synchronize_rcu(), and also using atomic allocations,
but maybe it makes more sense to rework the code to
not call these from atomic contexts and defer more of
the work to the workqueue. Right now, I can't work on
either of those solutions though.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The byte count table is only used for aggregation. Updating it
in other cases caused fragmented frames to be dropped.
This fixes http://www.intellinuxwireless.org/bugzilla/show_bug.cgi?id=2004
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This changes the power_level file to adhere to the "one value
per file" sysfs rule. The user will know which power level was
requested as it will be the number just written to this file. It
is thus not necessary to create a new sysfs file for this value.
In addition it fixes a problem where powertop's parsing expects
this value to be the first value in this file without any descriptions.
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
cc: stable@kernel.org
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The driver private data is now based on wiphy. So we should not
touch the private data after wiphy_free() is called. The patch
fixes the potential NULL pointer dereference by making the
iwm_wdev_free() the last one on the interface removal path.
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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fix this build error when CONFIG_MII is not set
drivers/net/ks8851.c:999: undefined reference to `generic_mii_ioctl'
drivers/net/ks8851.c:1050: undefined reference to `mii_link_ok'
drivers/net/ks8851.c:1056: undefined reference to `mii_nway_restart'
drivers/net/ks8851.c:1044: undefined reference to `mii_ethtool_sset'
drivers/net/ks8851.c:1038: undefined reference to `mii_ethtool_gset'
Signed-off-by: Alexander Beregalov <a.beregalov@gmail.com>
Acked-by: Ben Dooks <ben@simtec.co.uk>
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in statistics properly.
This patch fixes a bug in the non-lro path. Wrong size of received
packet was being passed for updating receive statistics. This patch
is against the net-2.6 git.
Signed-off-by: Ajit Khaparde <ajitk@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since commit 0b9da337dca972e7a4144e298ec3adb8f244d4a4 ("Rework
ucc_geth driver to use of_mdio infrastructure") the fixed-link
support is broken.
This patch fixes the support by removing !ug_info->phy_node check,
and adds a call to of_phy_connect_fixed_link() if a phy is not attached
to the MAC.
Also, remove an old fixed-link code that we don't use any longer.
Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since commit fe192a49118f5b1272317d60c7930ece4e13ae49 ("Rework gianfar
driver to use of_mdio infrastructure") the fixed-link support is
broken, the driver oopses at init_phy():
Unable to handle kernel paging request for data at address 0x000000e4
Faulting instruction address: 0xc01cf298
Oops: Kernel access of bad area, sig: 11 [#1]
[...]
NIP [c01cf298] init_phy+0x80/0xdc
LR [c01cf250] init_phy+0x38/0xdc
Call Trace:
[cf81fe80] [c01d1cf8] gfar_enet_open+0x6c/0x19c
[cf81fea0] [c024494c] dev_open+0xfc/0x134
[cf81fec0] [c0242edc] dev_change_flags+0x84/0x1ac
[cf81fee0] [c0399ee0] ic_open_devs+0x168/0x2d8
[cf81ff20] [c039b2e8] ip_auto_config+0x90/0x2a4
[cf81ff60] [c0003884] do_one_initcall+0x34/0x1a8
This patch fixes the oops, and removes phy_node checks, and adds a call
to of_phy_connect_fixed_link() if a phy isn't attached..
Also, remove an old fixed-link code that we don't use any longer.
Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since commit aa73832c5a80d6c52c69b18af858d88fa595dd3c ("Rework
fs_enet driver to use of_mdio infrastructure") the fixed-link support
is broken in the fs_enet driver.
This patch fixes the support by removing a check for phy_node, and adding
a call to of_phy_connect_fixed_link().
Also set netdev parent device via SET_NETDEV_DEV() call, this is needed
so that OF MDIO core could find a node pointer for a device.
Plus, fix "if (IS_ERR(phydev))" check, in case of errors,
of_phy_connect() returns NULL, not ERR_PTR as phy_connect().
Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fixed-link support is broken for the ucc_eth, gianfar, and fs_enet
device drivers. The "OF MDIO rework" patches removed most of the
support. Instead of re-adding fixed-link stuff to the drivers, this
patch adds a support function for parsing the fixed-link property
and obtaining a dummy phy to match.
Note: the dummy phy handling in arch/powerpc is a bit of a hack and
needs to be reworked. This function is being added now to solve the
regression in the Ethernet drivers, but it should be considered a
temporary measure until the fixed link handling can be reworked.
Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: David S. Miller <davem@davemloft.net>
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* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp:
amd64_edac: read the right F2 maskoffset reg
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Signed-off-by: Wan Wei <onewayforever@gmail.com>
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
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The port lock is used to protect the port state. However the port structure
is freed on a hangup, then the lock taken on a close. The right fix is to
drop the port on tty->shutdown() but we can't yet do that due to sleep v
non-sleeping rules. Instead do the next best thing and fix it up when we are
not in -rc season.
Reported-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Tested-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* 'fixes-for-linus' of git://git.monstr.eu/linux-2.6-microblaze:
microblaze: Makefile cleanup
microblaze: Typo fix for cpu param inconsistency
microblaze: Add support for R_MICROBLAZE_64_NONE
microblaze: Get module loading working
microblaze: remove sys_ipc
microblaze: Support unaligned address for put/get_user macros
microblaze: Detect new Microblaze 7.20 versions
microblaze: Fix do_page_fault for no context
microblaze: Add _PAGE_FILE macros to pgtable.h
microblaze: Fix put_user macro for 64bits arguments
microblaze: Clear print messages for DTB passing via r7
microblaze: Not to clear r7 after copying DTB to kernel
microblaze: Add messages about FDT blob
microblaze: Final support for statically linked DTB
microblaze: remove duplicated #include
microblaze: Define tlb_flush macro
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Reviewed the Makefile on request by Michal and this is the resulting changes.
o Use ':=' for assignmnet so we do not re-evaluate for each use
o Use $(shell echo xxx) to remove ""
o Replaced CFLAGS_KERNEL with KBUILD_CFLAGS
The settings are equally relevant for modules and the linked kernel
o Dropped LDFLAGS_BLOB - it is no longer used
o Refactored assignmnets to libs-y and core-y
o Use MMU for the MMU specific extension. "MMUEXT" was hurting my eyes
and I did not wanted it spread to m68k
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Michal Simek <monstr@monstr.eu>
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Signed-off-by: Michal Simek <monstr@monstr.eu>
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For example reiserfs use this relocation type.
Signed-off-by: Michal Simek <monstr@monstr.eu>
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New reloc type R_MICROBLAZE_32_PCREL_LO requires a null handler (no work to do).
Remove legacy hack for broken linker pre gcc-4.1.1, that required us to extract
an offset from the code, add it to the addend, then rewrite the instruction.
Fixup the invalid reloc type error output.
Boot tested with the xilinx_emaclite ethernet driver.
Signed-off-by: John Williams <john.williams@petalogix.com>
Signed-off-by: Michal Simek <monstr@monstr.eu>
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The ipc system call is now unused in microblaze,
as the system call table points directly to the
indidual system calls for IPC.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Michal Simek <monstr@monstr.eu>
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This patch add support for cases where load/store instruction
in put/get_user macro gets unaligned pointer to data and this
address is not valid. I prevent all cases which can failed.
I had to disable first stage of unaligned handler which is used
only for noMMU kernel and the whole work is done when interrupt
is enabled.
You have enable HW support for detect unaligned access in Microblaze.
This patch fixed three LTP tests:
getpeername01, getsockname01, socketpair01
Signed-off-by: Michal Simek <monstr@monstr.eu>
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Signed-off-by: Michal Simek <monstr@monstr.eu>
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Calling fixup when we are in kernel mode. This
prevent fault for copy_to/from_user. This fault
was find thanks to writev01/03/04 LTP tests.
Signed-off-by: Michal Simek <monstr@monstr.eu>
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We need to define _PAGE_FILE macro and change pte
functions. Microblaze use the same MMU as PowerPC
that's why we define _PAGE_FILE in the same style.
This change fixed remap_file_pages01 LTP test.
Signed-off-by: Michal Simek <monstr@monstr.eu>
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For 64bits arguments gcc caused that put_user macro
works with wrong value because of optimalization.
Adding volatile caused that gcc not optimized it.
It is possible to use (as Blackfin do) two put_user
macros with 32bits arguments but there is one more
instruction which is due to duplication zero return
value which is called put_user_asm macro.
Signed-off-by: Michal Simek <monstr@monstr.eu>
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It is necessary to zeroed r7 when r7 points to bad
dtb - this caused that we have correct messages
about compiled-in dtb or passing via r7
Signed-off-by: Michal Simek <monstr@monstr.eu>
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I can't clear r7 because if I do it I lose information
where DTB come from.
Signed-off-by: Michal Simek <monstr@monstr.eu>
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Print accurate message about place where FDT blob is.
Signed-off-by: Michal Simek <monstr@monstr.eu>
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If r7 is zero at kernel boot, or does not point to a valid DTB, then
we fall back to a DTB (assumed to be) linked statically in the kernel, instead
of blindly copying bogus cruft into the kernel DTB memory region
Signed-off-by: John Williams <john.williams@petalogix.com>
Signed-off-by: Michal Simek <monstr@monstr.eu>
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Remove duplicated #include('s) in
arch/microblaze/include/asm/io.h
Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com>
Signed-off-by: Michal Simek <monstr@monstr.eu>
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This fix remove bug which we had till now in all
Microblaze MMU code. Primary tested on mmap01 LTP test.
We forget to flush invalid tlb which were changed - we
used them and there were wrong old data which wasn't correct.
Signed-off-by: Michal Simek <monstr@monstr.eu>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86: geode: Mark mfgpt irq IRQF_TIMER to prevent resume failure
x86, amd: Don't probe for extended APIC ID if APICs are disabled
x86, mce: Rename incorrect macro name "CONFIG_X86_THRESHOLD"
x86-64: Fix bad_srat() to clear all state
x86, mce: Fix set_trigger() accessor
x86: Fix movq immediate operand constraints in uaccess.h
x86: Fix movq immediate operand constraints in uaccess_64.h
x86: Add reboot fixup for SBC-fitPC2
x86: Include all of .data.* sections in _edata on 64-bit
x86: Add quirk for Intel DG45ID board to avoid low memory corruption
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Timer interrupts are excluded from being disabled during suspend. The
clock events code manages the disabling of clock events on its own
because the timer interrupt needs to be functional before the resume
code reenables the device interrupts.
The mfgpt timer request its interrupt without setting the IRQF_TIMER
flag so suspend_device_irqs() disables it as well which results in a
fatal resume failure.
Adding IRQF_TIMER to the interupt flags when requesting the mrgpt
timer interrupt solves the problem.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
LKML-Reference: <new-submission>
Cc: Andres Salomon <dilinger@debian.org>
Cc: stable@kernel.org
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If we've logically disabled apics, don't probe the PCI space for the
AMD extended APIC ID.
[ Impact: prevent boot crash under Xen. ]
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Reported-by: Bastian Blank <bastian@waldi.eu.org>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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