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Commit 35d04706 authored by David Daney's avatar David Daney Committed by Ralf Baechle
Browse files

MIPS: Don't build fast TLB refill handler with 32-bit kernels 



The fast handler only supports 64-bit kernels.

Signed-off-by: default avatarDavid Daney <david.daney@cavium.com>
Signed-off-by: default avatarAndreas Herrmann <andreas.herrmann@caviumnetworks.com>
Cc: linux-mips@linux-mips.org
Cc: James Hogan <james.hogan@imgtec.com>
Cc: kvm@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/7010/


Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent a68d09a1

arch/mips/mm/tlbex.c

+6 −2
Original line number Diff line number Diff line
@@ -1250,13 +1250,17 @@ static void build_r4000_tlb_refill_handler(void) 
	unsigned int final_len;

	struct mips_huge_tlb_info htlb_info __maybe_unused;

	enum vmalloc64_mode vmalloc_mode __maybe_unused;



#ifdef CONFIG_64BIT

	bool is64bit = true;

#else

	bool is64bit = false;

#endif

	memset(tlb_handler, 0, sizeof(tlb_handler));

	memset(labels, 0, sizeof(labels));

	memset(relocs, 0, sizeof(relocs));

	memset(final_handler, 0, sizeof(final_handler));



	if ((scratch_reg >= 0 || scratchpad_available()) && use_bbit_insns()) {

	if (is64bit && (scratch_reg >= 0 || scratchpad_available()) && use_bbit_insns()) {

		htlb_info = build_fast_tlb_refill_handler(&p, &l, &r, K0, K1,

							  scratch_reg);

		vmalloc_mode = refill_scratch;