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Commit 8a01960f authored by Christophe Leroy's avatar Christophe Leroy Committed by Michael Ellerman
Browse files

powerpc/smp: Use code patching to restore reset vector 



Instead of hardcoding reset vector restore, use patch_instruction()

Signed-off-by: default avatarChristophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
parent 6c16816b

arch/powerpc/platforms/86xx/mpc86xx_smp.c

+1 −2
Original line number Diff line number Diff line
@@ -86,8 +86,7 @@ smp_86xx_kick_cpu(int nr) 
		mdelay(1);



	/* Restore the exception vector */

	*vector = save_vector;

	flush_icache_range((unsigned long) vector, (unsigned long) vector + 4);

	patch_instruction(vector, save_vector);



	local_irq_restore(flags);

arch/powerpc/platforms/powermac/smp.c

+1 −2
Original line number Diff line number Diff line
@@ -832,8 +832,7 @@ static int smp_core99_kick_cpu(int nr) 
	mdelay(1);



	/* Restore our exception vector */

	*vector = save_vector;

	flush_icache_range((unsigned long) vector, (unsigned long) vector + 4);

	patch_instruction(vector, save_vector);



	local_irq_restore(flags);

	if (ppc_md.progress) ppc_md.progress("smp_core99_kick_cpu done", 0x347);