- 17 10月, 2008 40 次提交
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由 David Fries 提交于
w1_reset_bus, added some comments about the timing and switched to msleep for the later delay. I don't have the hardware to test the sleep after reset change. The one wire doesn't have a timing requirement between commands so it is fine. I do have the USB hardware and it would be in big trouble with 10ms interrupt transfers to find that the reset completed. Signed-off-by: NDavid Fries <david@fries.net> Signed-off-by: NEvgeniy Polyakov <johnpol@2ka.mipt.ru> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 David Fries 提交于
s/printk/dev_dbg/ Signed-off-by: NDavid Fries <david@fries.net> Signed-off-by: NEvgeniy Polyakov <johnpol@2ka.mipt.ru> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 David Fries 提交于
Follow the example of other devices (like the joystick device). Pick the first available id for each detected device. Currently for USB devices, suspending and resuming would cause the number to increment. Signed-off-by: NDavid Fries <david@fries.net> Signed-off-by: NEvgeniy Polyakov <johnpol@2ka.mipt.ru> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 David Fries 提交于
sl->master->mutex and dev->mutex refer to the same mutex variable, but be consistent and use the same set of pointers for the lock and unlock calls. It is less confusing (and one less pointer dereference this way). Signed-off-by: NDavid Fries <david@fries.net> Signed-off-by: NEvgeniy Polyakov <johnpol@2ka.mipt.ru> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 David Fries 提交于
Removed the w1_family structure member variable need_exit. It was only being set and never used. Even if it were to be used it is a polling type operation. Signed-off-by: NDavid Fries <david@fries.net> Signed-off-by: NEvgeniy Polyakov <johnpol@2ka.mipt.ru> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 David Fries 提交于
Fixed data reading bug by replacing binary attribute with device one. Switching the sysfs read from bin_attribute to device_attribute. The data is far under PAGE_SIZE so the binary interface isn't required. As the device_attribute interface will make one call to w1_therm_read per file open and buffer, the result is, the following problems go away. buffer overflow: Execute a short read on w1_slave and w1_therm_read_bin would still return the full string size worth of data clobbering the user space buffer when it returned. Switching to device_attribute avoids the buffer overflow problems. With the snprintf formatted output dealing with short reads without doing a conversion per read would have been difficult. bad behavior: `cat w1_slave` would cause two temperature conversions to take place. Previously the code assumed W1_SLAVE_DATA_SIZE would be returned with each read. It would not return 0 unless the offset was less than W1_SLAVE_DATA_SIZE. The result was the first read did a temperature conversion, filled the buffer and returned, the offset in the second read would be less than W1_SLAVE_DATA_SIZE and also fill the buffer and return, the third read would finnally have a big enough offset to return 0 and cause cat to stop. Now w1_therm_read will be called at most once per open. Signed-off-by: NDavid Fries <david@fries.net> Signed-off-by: NEvgeniy Polyakov <johnpol@2ka.mipt.ru> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 David Fries 提交于
Fix bug reading the id sysfs file. If less than the full 8 bytes were read, the next read would start at the first byte instead of continuing. It needed the offset added to memcpy, or the better solution was to replace it with the device attribute instead of bin attribute. Signed-off-by: NDavid Fries <david@fries.net> Signed-off-by: NEvgeniy Polyakov <johnpol@2ka.mipt.ru> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 David Fries 提交于
Document w1_master_add, w1_master_remove, search_count, and pullup. Signed-off-by: NDavid Fries <david@fries.net> Signed-off-by: NEvgeniy Polyakov <johnpol@2ka.mipt.ru> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 David Fries 提交于
Added a new module parameter search_count which allows overriding the default search count. -1 continual, 0 disabled, N that many times. Signed-off-by: NDavid Fries <david@fries.net> Signed-off-by: NEvgeniy Polyakov <johnpol@2ka.mipt.ru> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 David Fries 提交于
Simplified the logic in w1_slave_found by using the new w1_attach_slave_device function to find a slave and mark it as active or add the device if the crc checks. Signed-off-by: NDavid Fries <david@fries.net> Signed-off-by: NEvgeniy Polyakov <johnpol@2ka.mipt.ru> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 David Fries 提交于
sysfs entries were added to manually add and remove slave devices. This is useful if the automatic bus searching is disabled, and the device ids are already known. [akpm@linux-foundation.org: fix printk types] Signed-off-by: NDavid Fries <david@fries.net> Signed-off-by: NEvgeniy Polyakov <johnpol@2ka.mipt.ru> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 David Fries 提交于
Added strong pullup to thermal sensor driver and general documentation on the sensor. Signed-off-by: NDavid Fries <david@fries.net> Signed-off-by: NEvgeniy Polyakov <johnpol@2ka.mipt.ru> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 David Fries 提交于
Add a strong pullup option to the w1 system. This supplies extra power for parasite powered devices. There is a w1_master_pullup sysfs entry and enable_pullup module parameter to enable or disable the strong pullup. The one wire bus requires at a minimum one wire and ground. The common wire is used for sending and receiving data as well as supplying power to devices that are parasite powered of which temperature sensors can be one example. The bus must be idle and left high while a temperature conversion is in progress, in addition the normal pullup resister on larger networks or even higher temperatures might not supply enough power. The pullup resister can't provide too much pullup current, because devices need to pull the bus down to write a value. This enables the strong pullup for supported hardware, which can supply more current when requested. Unsupported hardware will just delay with the bus high. The hardware USB 2490 one wire bus master has a bit on some commands which will enable the strong pullup as soon as the command finishes executing. To use strong pullup, call the new w1_next_pullup function to register the duration. The next write command will call set_pullup before sending the data, and reset the duration to zero once it returns. Switched from simple_strtol to strict_strtol. Signed-off-by: NDavid Fries <david@fries.net> Cc: Evgeniy Polyakov <johnpol@2ka.mipt.ru> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 David Fries 提交于
The w1_process thread's sleeping and termination has been modified. msleep_interruptible was replaced by schedule_timeout and schedule to allow for kthread_stop and wake_up_process to interrupt the sleep and the unbounded sleeping when a bus search is disabled. The W1_MASTER_NEED_EXIT and flags variable were removed as they were redundant with kthread_should_stop and kthread_stop. If w1_process is sleeping, requesting a search will immediately wake it up rather than waiting for the end of msleep_interruptible previously. Signed-off-by: NDavid Fries <david@fries.net> Signed-off-by: NEvgeniy Polyakov <johnpol@2ka.mipt.ru> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 David Fries 提交于
Move the creation of the w1_process thread to after the device has been initialized. This way w1_process doesn't have to check to see if it has been initialized and the bus search can proceed without sleeping. That also eliminates two checks in the w1_process loop. The sleep now happens at the end of the loop not the beginning. Also added a comment for why the atomic_set was 2. Signed-off-by: NDavid Fries <david@fries.net> Signed-off-by: NEvgeniy Polyakov <johnpol@2ka.mipt.ru> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 David Fries 提交于
Early abort if the master driver or the hardware goes away in the middle of a bus search operation. The alternative is to spam the print buffer up to 64*64 times with read errors in the case of USB. Signed-off-by: NDavid Fries <david@fries.net> Signed-off-by: NEvgeniy Polyakov <johnpol@2ka.mipt.ru> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 David Fries 提交于
w1_control_thread was removed which would wake up every second and process newly registered family codes and complete some final cleanup for a removed master. Those routines were moved to the threads that were previously requesting those operations. A new function w1_reconnect_slaves takes care of reconnecting existing slave devices when a new family code is registered or removed. The removal case was missing and would cause a deadlock waiting for the family code reference count to decrease, which will now happen. A problem with registering a family code was fixed. A slave device would be unattached if it wasn't yet claimed, then attached at the end of the list, two unclaimed slaves would cause an infinite loop. The struct w1_bus_master.search now takes a pointer to the struct w1_master device to avoid searching for it, which would have caused a lock ordering deadlock with the removal of w1_control_thread. Signed-off-by: NDavid Fries <david@fries.net> Signed-off-by: NEvgeniy Polyakov <johnpol@2ka.mipt.ru> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Andrew Morton 提交于
tpm_register_hardware() leaks devname on an error path. Addresses http://bugzilla.kernel.org/show_bug.cgi?id=11425Reported-by: NDaniel Marjamki <danielm77@spray.se> Cc: Debora Velarde <debora@linux.vnet.ibm.com> Cc: Rajiv Andrade <srajiv@linux.vnet.ibm.com> Cc: Marcel Selhorst <tpm@selhorst.net> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Rajiv Andrade 提交于
Cc: Eric Paris <eparis@redhat.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Valdis Kletnieks 提交于
Patch tpm-correct-tpm-timeouts-to-jiffies-conversion reveals a bug in the Broadcom BCM0102 TPM chipset used in the Dell Latitude D820 - although most of the timeouts are returned in usecs as per the spec, one is apparently returned in msecs, which results in a too-small value leading to a timeout when the code treats it as usecs. To prevent a regression, we check for the known too-short value and adjust it to a value that makes things work. Signed-off-by: NValdis Kletnieks <valdis.kletnieks@vt.edu> Cc: Marcin Obara <marcin_obara@users.sourceforge.net> Cc: Marcel Selhorst <tpm@selhorst.net> Cc: Kylene Jo Hall <kjhall@us.ibm.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Marcin Obara 提交于
This patch fixes timeouts conversion to jiffies, by replacing msecs_to_jiffies() calls with usecs_to_jiffies(). According to TCG TPM Specification Version 1.2 Revision 103 (pages 166, 167) TPM timeouts and durations are returned in microseconds (usec) not in miliseconds (msec). This fixes a long hang while loading TPM driver, if TPM chip starts in "Idle" state instead of "Ready" state. Without this patch - 'modprobe' may hang for 30 seconds or more. Signed-off-by: NMarcin Obara <marcin_obara@users.sourceforge.net> Cc: Marcel Selhorst <tpm@selhorst.net> Cc: Kylene Jo Hall <kjhall@us.ibm.com> Cc: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Adrian Bunk 提交于
Remove CVS keywords that weren't updated for a long time from comments. Signed-off-by: NAdrian Bunk <bunk@kernel.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Nick Piggin 提交于
Cannot assume writes will fully complete, so this conversion goes the easy way and always brings the page uptodate before the write. [dhowells@redhat.com: style tweaks] Signed-off-by: NNick Piggin <npiggin@suse.de> Acked-by: NDavid Howells <dhowells@redhat.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Aristeu Rozanski 提交于
Make the Thermal messages (temperature got past Tmid) be displayed only once because: 1) it's the BIOS job to configure and handle the memory throttling 2) if the BIOS is broken or is aware about the condition, flooding the system logs won't help anything. 3) According to the specification update for Intel 5000 MCHs, all the revisions of this MCH have problems on the thermal sensors, making not automatic (a.k.a. intelligent thermal throttling) impossible. Signed-off-by: NAristeu Rozanski <aris@redhat.com> Signed-off-by: NDoug Thompson <dougthompson@xmission.com> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Aristeu Rozanski 提交于
Update the i5000_edac messages, making everything pass through the EDAC (so the log controls will work) and being more specific about the errors. Also, it makes the miscellaneous errors optional and disabled by default. As I didn't found anywhere information about M23ERR-M26ERR (FERR_NF_THERMAL) on FERR_NF_FBD, I'm removing them. Signed-off-by: NAristeu Rozanski <aris@redhat.com> Signed-off-by: NDoug Thompson <dougthompson@xmission.com> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Andrew Kilkenny 提交于
This adds support for the dual-core MPC8572 processor. We have to support making SPR changes on each core. Also, since we can have multiple memory controllers sharing an interrupt, flag the interrupts with IRQF_SHARED. Signed-off-by: NAndrew Kilkenny <akilkenny@xes-inc.com> Signed-off-by: NNate Case <ncase@xes-inc.com> Acked-by: NDave Jiang <djiang@mvista.com> Signed-off-by: NDoug Thompson <dougthompson@xmission.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Vladislav Bogdanov 提交于
Fix 443BX/GX MCH suppport in a EDAC. It makes i82443bxgx_edac coexist with intel_agp using the same approach as several other EDAC drivers. Tested on Intel's L443GX with redhat's 2.6.18 with whole EDAC subsystem backported a while ago. [root@host ~]# dmesg|grep -iE '(AGP|EDAC)' Linux agpgart interface v0.101 (c) Dave Jones agpgart: Detected an Intel 440GX Chipset. agpgart: AGP aperture is 64M @ 0xf8000000 EDAC MC: Ver: 2.1.0 Jun 27 2008 EDAC MC0: Giving out device to 'i82443bxgx_edac' 'I82443BXGX': DEV 0000:00:00.0 EDAC PCI0: Giving out device to module 'i82443bxgx_edac' controller 'EDAC PCI controller': DEV '0000:00:00.0' (POLLED) Signed-off-by: NVladislav Bogdanov <slava@nsys.by> Cc: Doug Thompson <norsk5@yahoo.com> Cc: Dave Airlie <airlied@linux.ie> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Oleg Nesterov 提交于
task_child_reaper() has no callers anymore, kill it. Signed-off-by: NOleg Nesterov <oleg@tv-sign.ru> Acked-by: NSerge Hallyn <serue@us.ibm.com> Acked-by: NPavel Emelyanov <xemul@openvz.org> Acked-by: NSukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Oleg Nesterov 提交于
de_thread() checks if the old leader was the ->child_reaper, this is not possible any longer. With the previous patch ->group_leader itself will change ->child_reaper on exit. Henceforth find_new_reaper() is the only function (apart from initialization) which plays with ->child_reaper. Signed-off-by: NOleg Nesterov <oleg@tv-sign.ru> Acked-by: NSerge Hallyn <serue@us.ibm.com> Acked-by: NPavel Emelyanov <xemul@openvz.org> Acked-by: NSukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Alexey Dobriyan 提交于
name and nlen parameters passed to ->strategy hook are unused, remove them. In general ->strategy hook should know what it's doing, and don't do something tricky for which, say, pointer to original userspace array may be needed (name). Signed-off-by: NAlexey Dobriyan <adobriyan@gmail.com> Acked-by: David S. Miller <davem@davemloft.net> [ networking bits ] Cc: Ralf Baechle <ralf@linux-mips.org> Cc: David Howells <dhowells@redhat.com> Cc: Matt Mackall <mpm@selenic.com> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Alexey Dobriyan 提交于
Move it into sysrq.c, along with the rest of the sysrq implementation. Signed-off-by: NAlexey Dobriyan <adobriyan@gmail.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Kay Sievers 提交于
We currently follow blindly what the partition table lies about the disk, and let the kernel create block devices which can not be accessed. Trying to identify the device leads to kernel logs full of: sdb: rw=0, want=73392, limit=28800 attempt to access beyond end of device Here is an example of a broken partition table, where sda2 starts behind the end of the disk, and sdb3 is larger than the entire disk: Disk /dev/sdb: 14 MB, 14745600 bytes 1 heads, 29 sectors/track, 993 cylinders, total 28800 sectors Device Boot Start End Blocks Id System /dev/sdb1 29 7800 3886 83 Linux /dev/sdb2 37801 45601 3900+ 83 Linux /dev/sdb3 15602 73402 28900+ 83 Linux /dev/sdb4 23403 28796 2697 83 Linux The kernel creates these completely invalid devices, which can not be accessed, or may lead to other unpredictable failures: grep . /sys/class/block/sdb*/{start,size} /sys/class/block/sdb/size:28800 /sys/class/block/sdb1/start:29 /sys/class/block/sdb1/size:7772 /sys/class/block/sdb2/start:37801 /sys/class/block/sdb2/size:7801 /sys/class/block/sdb3/start:15602 /sys/class/block/sdb3/size:57801 /sys/class/block/sdb4/start:23403 /sys/class/block/sdb4/size:5394 With this patch, we ignore partitions which start behind the end of the disk, and limit partitions to the end of the disk if they pretend to be larger: grep . /sys/class/block/sdb*/{start,size} /sys/class/block/sdb/size:28800 /sys/class/block/sdb1/start:29 /sys/class/block/sdb1/size:7772 /sys/class/block/sdb3/start:15602 /sys/class/block/sdb3/size:13198 /sys/class/block/sdb4/start:23403 /sys/class/block/sdb4/size:5394 These warnings are printed to the kernel log: sdb: p2 ignored, start 37801 is behind the end of the disk sdb: p3 size 57801 limited to end of disk Signed-off-by: NKay Sievers <kay.sievers@vrfy.org> Cc: Herton Ronaldo Krzesinski <herton@mandriva.com.br> Cc: Jens Axboe <jens.axboe@oracle.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Adrian Bunk 提交于
I missed this when I did the arm26 removal. Reported-by: NRobert P. J. Day <rpjday@crashcourse.ca> Signed-off-by: NAdrian Bunk <bunk@kernel.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Bjorn Helgaas 提交于
Convert printks to use dev_printk(). Signed-off-by: NBjorn Helgaas <bjorn.helgaas@hp.com> Cc: David Woodhouse <dwmw2@infradead.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Harvey Harrison 提交于
The only use is to pass this to le16_to_cpu, declare as such drivers/char/moxa.c:548:11: warning: cast to restricted __le16. Signed-off-by: NHarvey Harrison <harvey.harrison@gmail.com> Cc: Jiri Slaby <jirislaby@gmail.com> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Andrew Morton 提交于
The code scriblles over a local pointer whereas it appears to be trying to write to the memory at which that pointer points. Addresses http://bugzilla.kernel.org/show_bug.cgi?id=11397 Nobody we know can test this change. Reported-by: NZvonimir Rakamaric <zrakamar@cs.ubc.ca> Cc: Jesse Barnes <jbarnes@virtuousgeek.org> Cc: David Woodhouse <dwmw2@infradead.org> Cc: Jiri Slaby <jirislaby@gmail.com> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Jiri Slaby 提交于
ds1286_get_time(); is not called from atomic context, sleep for 20 ms is better choice than a (home-made) busy waiting for such a situation. Signed-off-by: NJiri Slaby <jirislaby@gmail.com> Acked-by: NRalf Baechle <ralf@linux-mips.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Alexey Dobriyan 提交于
Don't repeat BINFMT_ELF definition, simply multiply COMPAT and BINFMT_ELF. Signed-off-by: NAlexey Dobriyan <adobriyan@gmail.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Paul Mundt 提交于
These auxvec entries are the only ones left unhandled out of the current base implementation. This syncs up binfmt_elf_fdpic with linux/auxvec.h and current binfmt_elf. Signed-off-by: NPaul Mundt <lethal@linux-sh.org> Acked-by: NDavid Howells <dhowells@redhat.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Paul Mundt 提交于
binfmt_elf_fdpic seems to have grabbed a hard-coded hack from an ancient version of binfmt_elf in order to try and fix up initial stack alignment on multi-threaded x86, which while in addition to being unused, was also pushed down beyond the first set of operations on the stack pointer, negating the entire purpose. These days, we have an architecture independent arch_align_stack(), so we switch to using that instead. Move the initial alignment up before the initial stores while we're at it. Signed-off-by: NPaul Mundt <lethal@linux-sh.org> Signed-off-by: NDavid Howells <dhowells@redhat.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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