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commit 7263dda41b5a28ae6566fd126d9b06ada73dd721 upstream.
Add SMAP annotations to csum_partial_copy_to/from_user(). These
functions legitimately access user space and thus need to set the AC
flag.
TODO: add explicit checks that the side with the kernel space pointer
really points into kernel space.
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Link: http://lkml.kernel.org/n/tip-2aps0u00eer658fd5xyanan7@git.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Signed-off-by: Wanpeng Li <liwp@linux.vnet.ibm.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Jason Wessel <jason.wessel@windriver.com>
Cc: Jan Kiszka <jan.kiszka@siemens.com>
Cc: Gavin Shan <shangw@linux.vnet.ibm.com>
Cc: Wanpeng Li <liwp.linux@gmail.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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no code changed:
arch/x86/lib/csum-wrappers_64.o:
text data bss dec hex filename
839 0 0 839 347 csum-wrappers_64.o.before
839 0 0 839 347 csum-wrappers_64.o.after
md5:
b31994226c33e0b52bef5a0e110b84b0 csum-wrappers_64.o.before.asm
b31994226c33e0b52bef5a0e110b84b0 csum-wrappers_64.o.after.asm
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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no code changed:
arch/x86/lib/csum-wrappers_64.o:
text data bss dec hex filename
839 0 0 839 347 csum-wrappers_64.o.before
839 0 0 839 347 csum-wrappers_64.o.after
md5:
b31994226c33e0b52bef5a0e110b84b0 csum-wrappers_64.o.before.asm
b31994226c33e0b52bef5a0e110b84b0 csum-wrappers_64.o.after.asm
Signed-off-by: Paolo Ciarrocchi <paolo.ciarrocchi@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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