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authorArnd Bergmann2022-02-11 08:30:59 +0100
committerArnd Bergmann2022-02-25 09:36:05 +0100
commit8afafbc955ba6fc04b1e202b21856020152d12c9 (patch)
tree73d0d5737045be24c23f6b00250b1ee1f52baf19 /drivers/vfio
parent8926d88ced46700bf6117ceaf391480b943ea9f4 (diff)
sparc64: add __{get,put}_kernel_nofault()
sparc64 is one of the architectures that uses separate address spaces for kernel and user addresses, so __get_kernel_nofault() can not just call into the normal __get_user() without the access_ok() check. Instead duplicate __get_user() and __put_user() into their in-kernel versions, with minor changes for the calling conventions and leaving out the address space modifier on the assembler instruction. This could surely be written more elegantly, but duplicating it gets the job done. Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'drivers/vfio')
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