linux.git/arch/sparc/lib/multi3.S, branch v4.13 Linux kernel source tree sparc64: Don't clibber fixed registers in __multi4. 2017-08-16T17:59:54+00:00 David S. Miller davem@davemloft.net 2017-08-16T04:32:19+00:00 79db795833bf5c3e798bcd7a5aeeee3fb0505927 %g4 and %g5 are fixed registers used by the kernel for the thread pointer and the per-cpu offset. Use %o4 and %g7 instead. Diagnosis by Anthony Yznaga. Fixes: 1b4af13ff2cc ("sparc64: Add __multi3 for gcc 7.x and later.") Reported-by: Anatoly Pugachev <matorola@gmail.com> Tested-by: Anatoly Pugachev <matorola@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> 
%g4 and %g5 are fixed registers used by the kernel for the thread
pointer and the per-cpu offset.  Use %o4 and %g7 instead.

Diagnosis by Anthony Yznaga.

Fixes: 1b4af13ff2cc ("sparc64: Add __multi3 for gcc 7.x and later.")
Reported-by: Anatoly Pugachev <matorola@gmail.com>
Tested-by: Anatoly Pugachev <matorola@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
sparc64: Add __multi3 for gcc 7.x and later. 2017-06-05T18:30:33+00:00 David S. Miller davem@davemloft.net 2017-06-05T18:28:57+00:00 1b4af13ff2cc6897557bb0b8d9e2fad4fa4d67aa Reported-by: Waldemar Brodkorb <wbx@openadk.org> Signed-off-by: David S. Miller <davem@davemloft.net> 
Reported-by: Waldemar Brodkorb <wbx@openadk.org>
Signed-off-by: David S. Miller <davem@davemloft.net>