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ARCv2 ISA provides 64-bit exclusive load/stores so use them to implement the 64-bit atomics and elide the spinlock based generic 64-bit atomics boot tested with atomic64 self-test (and GOD bless the person who wrote them, I realized my inline assmebly is sloppy as hell) Cc: Peter Zijlstra <peterz@infradead.org> Cc: Will Deacon <will.deacon@arm.com> Cc: linux-snps-arc@lists.infradead.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Vineet Gupta <vgupta@synopsys.com> |
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| boot | ||
| configs | ||
| include | ||
| kernel | ||
| lib | ||
| mm | ||
| oprofile | ||
| plat-axs10x | ||
| plat-eznps | ||
| plat-sim | ||
| plat-tb10x | ||
| Kbuild | ||
| Kconfig | ||
| Kconfig.debug | ||
| Makefile | ||