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Nicholas Piggin authored
There is support for the kernel to execute the 'sc 0' instruction and make a system call to itself. This is a relic that is unused in the tree, therefore untested. It's also highly questionable for modules to be doing this. Signed-off-by: Nicholas Piggin <npiggin@gmail.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20190827033010.28090-3-npiggin@gmail.com
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