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b3c395ef55
linux/arch/microblaze
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David Hildenbrand b3c395ef55 mm/uaccess, mm/fault: Clarify that uaccess may only sleep if pagefaults are enabled 
In general, non-atomic variants of user access functions must not sleep
if pagefaults are disabled.

Let's update all relevant comments in uaccess code. This also reflects
the might_sleep() checks in might_fault().

Reviewed-and-tested-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: David.Laight@ACULAB.COM
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: airlied@linux.ie
Cc: akpm@linux-foundation.org
Cc: benh@kernel.crashing.org
Cc: bigeasy@linutronix.de
Cc: borntraeger@de.ibm.com
Cc: daniel.vetter@intel.com
Cc: heiko.carstens@de.ibm.com
Cc: herbert@gondor.apana.org.au
Cc: hocko@suse.cz
Cc: hughd@google.com
Cc: mst@redhat.com
Cc: paulus@samba.org
Cc: ralf@linux-mips.org
Cc: schwidefsky@de.ibm.com
Cc: yang.shi@windriver.com
Link: http://lkml.kernel.org/r/1431359540-32227-4-git-send-email-dahi@linux.vnet.ibm.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2015-05-19 08:39:14 +02:00
..
boot microblaze: Remove *.dtb files in make clean 2015-02-10 16:24:39 +01:00
configs microblaze: Enable SERIAL_OF_PLATFORM 2014-06-04 06:59:46 +02:00
include mm/uaccess, mm/fault: Clarify that uaccess may only sleep if pagefaults are enabled 2015-05-19 08:39:14 +02:00
kernel Merge branch 'akpm' (patches from Andrew) 2015-04-15 16:39:15 -07:00
lib microblaze: Change libgcc-style functions from lib-y to obj-y 2014-07-18 14:26:09 +02:00
mm vm: add VM_FAULT_SIGSEGV handling support 2015-01-29 10:51:32 -08:00
oprofile microblaze: Core oprofile configs and hooks 2009-12-14 08:45:07 +01:00
pci PCI: Assign resources before drivers claim devices (pci_scan_root_bus()) 2015-03-19 10:17:13 -05:00
Kconfig gcov: enable GCOV_PROFILE_ALL from ARCH Kconfigs 2014-12-13 12:42:51 -08:00
Kconfig.debug microblaze: remove obsolete DEBUG_BOOTMEM 2011-01-10 09:29:51 +01:00
Kconfig.platform microblaze: Remove platform folder 2014-04-07 13:45:21 +02:00
Makefile microblaze: Remove platform folder 2014-04-07 13:45:21 +02:00