commit | 260fa77739f5d51c91e8bcfe41d0bd3d878b3752 | [log] [tgz] |
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author | Ivan Gorinov <ivan.gorinov@intel.com> | Fri Apr 06 14:43:04 2018 -0700 |
committer | Bin Meng <bmeng.cn@gmail.com> | Mon Apr 16 16:54:51 2018 +0800 |
tree | 4a063fb5c2bd003c5af8a37a07da0d9c38f1512f | |
parent | a2bdec7aff12373b10c1637e42e574fd8c1eb5af [diff] |
x86: Add 64-bit memory-mapped I/O functions Add readq() and writeq() definitions for x86. Please note: in 32-bit code readq/writeq will generate two 32-bit memory access instructions instead of one atomic 64-bit operation. Signed-off-by: Ivan Gorinov <ivan.gorinov@intel.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>