Commit f14f8a20 authored by Nicholas Piggin's avatar Nicholas Piggin Committed by Michael Ellerman
Browse files

powerpc/64/sstep: Ifdef the deprecated fast endian switch syscall 



Signed-off-by: default avatarNicholas Piggin <npiggin@gmail.com>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200225173541.1549955-25-npiggin@gmail.com
parent 965dd3ad

arch/powerpc/lib/sstep.c

+3 −2
Original line number Diff line number Diff line
@@ -3179,8 +3179,9 @@ int emulate_step(struct pt_regs *regs, unsigned int instr) 
		 * entry code works.  If that is changed, this will

		 * need to be changed also.

		 */

		if (regs->gpr[0] == 0x1ebe &&

		    cpu_has_feature(CPU_FTR_REAL_LE)) {

		if (IS_ENABLED(CONFIG_PPC_FAST_ENDIAN_SWITCH) &&

				cpu_has_feature(CPU_FTR_REAL_LE) &&

				regs->gpr[0] == 0x1ebe) {

			regs->msr ^= MSR_LE;

			goto instr_done;

		}