Commit 67484e0d authored by Christophe Leroy's avatar Christophe Leroy Committed by Michael Ellerman
Browse files

powerpc/lib/sstep: Use l1_dcache_bytes() instead of opencoding 



Don't opencode dcache size retrieval based on whether that's ppc32 or ppc64.

Use l1_dcache_bytes()

Signed-off-by: default avatarChristophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/6c608fd4795e2d8ea1a0a449405a0087f76d8bb3.1642752375.git.christophe.leroy@csgroup.eu
parent 9d44d1bd

arch/powerpc/lib/sstep.c

+1 −4
Original line number Diff line number Diff line
@@ -1065,14 +1065,11 @@ static int __emulate_dcbz(unsigned long ea) 
int emulate_dcbz(unsigned long ea, struct pt_regs *regs)

{

	int err;

	unsigned long size;

	unsigned long size = l1_dcache_bytes();



#ifdef __powerpc64__

	size = ppc64_caches.l1d.block_size;

	if (!(regs->msr & MSR_64BIT))

		ea &= 0xffffffffUL;

#else

	size = L1_CACHE_BYTES;

#endif

	ea &= ~(size - 1);

	if (!address_ok(regs, ea, size))