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12 Commits

Author SHA1 Message Date
Al Viro
8298525839 kill strlen_user() 
no callers, no consistent semantics, no sane way to use it...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2017-05-15 23:40:22 -04:00
Al Viro
dc14253523 score: switch to RAW_COPY_USER 
... and kill copy_in_user() - it's not a biarch architecture, to start with

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2017-03-28 18:23:58 -04:00
Al Viro
4b4554f6d5 score: it's "VERIFY_WRITE", not "VERFITY_WRITE"... 
... and the only reason it worked is that access_ok() discards the
first argument before parser even gets a chance of looking at it.
Still, no point keeping that typo.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2017-03-28 18:23:57 -04:00
Al Viro
af1d5b37d6 uaccess: drop duplicate includes from asm/uaccess.h 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2017-03-05 21:57:49 -05:00
Al Viro
5e6039d8a3 uaccess: move VERIFY_{READ,WRITE} definitions to linux/uaccess.h 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2017-03-05 20:40:25 -05:00
Al Viro
88dd4a748d score: separate extable.h, switch module.h to it 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2016-10-05 18:38:39 -04:00
Al Viro
b615e3c746 score: fix copy_from_user() and friends 
Cc: stable@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2016-09-13 17:50:14 -04:00
Al Viro
c2f18fa4cb score: fix __get_user/get_user 
* should zero on any failure
* __get_user() should use __copy_from_user(), not copy_from_user()

Cc: stable@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2016-09-13 17:50:13 -04:00
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
Chen Liqin
ffa818b4b0 score: update inconsistent declare after .c was changed 2009-08-30 12:30:16 +08:00
Arnd Bergmann
a1f8213b95 score: add address space annotations 
Annotate the address space for pointers that are used
correctly with __user and __iomem, so that sparse
can better warn about incorrect casts.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
 2009-06-27 15:09:52 +02:00
Chen Liqin
6bc9a3966f score: Add support for Sunplus S+core architecture 
This is the complete set of new arch Score's files for linux.
Score instruction set support 16bits, 32bits and 64bits instruction,
Score SOC had been used in game machine and LCD TV.

Signed-off-by: Chen Liqin <liqin.chen@sunplusct.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
 2009-06-19 11:38:47 +02:00