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authorDan Williams <dan.j.williams@intel.com>2018-05-04 02:06:31 +0200
committerIngo Molnar <mingo@kernel.org>2018-05-15 08:32:42 +0200
commit8780356ef630aa577fd4daa49e49b79674711fae (patch)
tree104e73665ca067e220a59a70daee5539e50e0c99 /drivers
parentx86/asm/memcpy_mcsafe: Add write-protection-fault handling (diff)
downloadlinux-8780356ef630aa577fd4daa49e49b79674711fae.tar.xz
linux-8780356ef630aa577fd4daa49e49b79674711fae.zip
x86/asm/memcpy_mcsafe: Define copy_to_iter_mcsafe()
Use the updated memcpy_mcsafe() implementation to define copy_user_mcsafe() and copy_to_iter_mcsafe(). The most significant difference from typical copy_to_iter() is that the ITER_KVEC and ITER_BVEC iterator types can fail to complete a full transfer. Signed-off-by: Dan Williams <dan.j.williams@intel.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Andy Lutomirski <luto@amacapital.net> Cc: Borislav Petkov <bp@alien8.de> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Tony Luck <tony.luck@intel.com> Cc: hch@lst.de Cc: linux-fsdevel@vger.kernel.org Cc: linux-nvdimm@lists.01.org Link: http://lkml.kernel.org/r/152539239150.31796.9189779163576449784.stgit@dwillia2-desk3.amr.corp.intel.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
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