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

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The fast handler only supports 64-bit kernels.

Signed-off-by: David Daney <david.daney@cavium.com>
Signed-off-by: Andreas 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: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
David Daney
2014-05-28 23:52:08 +02:00
committed by Ralf Baechle
parent a68d09a156
commit 35d0470668
1 changed files with 6 additions and 2 deletions
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8
arch/mips/mm/tlbex.c
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@@ -1250,13 +1250,17 @@ static void build_r4000_tlb_refill_handler(void)
unsigned int final_len; unsigned int final_len;
struct mips_huge_tlb_info htlb_info __maybe_unused; struct mips_huge_tlb_info htlb_info __maybe_unused;
enum vmalloc64_mode vmalloc_mode __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(tlb_handler, 0, sizeof(tlb_handler));
memset(labels, 0, sizeof(labels)); memset(labels, 0, sizeof(labels));
memset(relocs, 0, sizeof(relocs)); memset(relocs, 0, sizeof(relocs));
memset(final_handler, 0, sizeof(final_handler)); 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, htlb_info = build_fast_tlb_refill_handler(&p, &l, &r, K0, K1,
scratch_reg); scratch_reg);
vmalloc_mode = refill_scratch; vmalloc_mode = refill_scratch;