commit  35d0470668cca234e49ed35342b3f9a0eec8355c upstream

The fast handler only supports 64-bit kernels.

Signed-off-by: David Daney <[email protected]>
Signed-off-by: Andreas Herrmann <[email protected]>
Cc: [email protected]
Cc: James Hogan <[email protected]>
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/7010/
Signed-off-by: Ralf Baechle <[email protected]>
Signed-off-by: Abhishek Paliwal <[email protected]>
---
 arch/mips/mm/tlbex.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c
index aa24119..c05f2fd 100644
--- a/arch/mips/mm/tlbex.c
+++ b/arch/mips/mm/tlbex.c
@@ -1247,13 +1247,17 @@ 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;
--
1.8.1.4



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