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MIPS: tlbex: Clear ISA bit when writing to handle_tlb{l,m,s}

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When generating TLB exception handling code we write to memory reserved
at the handle_tlbl, handle_tlbm & handle_tlbs symbols. Up until now the
ISA bit has always been clear simply because the assembly code reserving
the space for those functions places no instructions in them. In
preparation for marking all LEAF functions as containing code,
explicitly clear the ISA bit when calculating the addresses at which to
write TLB exception handling code.

Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/14507/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Paul Burton 2016-11-07 11:14:08 +00:00 committed by Ralf Baechle
parent 858e2b2310
commit 2c0e57eaef
1 changed files with 3 additions and 3 deletions
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6
arch/mips/mm/tlbex.c
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@ -2041,7 +2041,7 @@ build_r4000_tlbchange_handler_tail(u32 **p, struct uasm_label **l,
static void build_r4000_tlb_load_handler(void)
{
u32 *p = handle_tlbl;
u32 *p = (u32 *)msk_isa16_mode((ulong)handle_tlbl);
const int handle_tlbl_size = handle_tlbl_end - handle_tlbl;
struct uasm_label *l = labels;
struct uasm_reloc *r = relocs;
@ -2224,7 +2224,7 @@ static void build_r4000_tlb_load_handler(void)
static void build_r4000_tlb_store_handler(void)
{
u32 *p = handle_tlbs;
u32 *p = (u32 *)msk_isa16_mode((ulong)handle_tlbs);
const int handle_tlbs_size = handle_tlbs_end - handle_tlbs;
struct uasm_label *l = labels;
struct uasm_reloc *r = relocs;
@ -2279,7 +2279,7 @@ static void build_r4000_tlb_store_handler(void)
static void build_r4000_tlb_modify_handler(void)
{
u32 *p = handle_tlbm;
u32 *p = (u32 *)msk_isa16_mode((ulong)handle_tlbm);
const int handle_tlbm_size = handle_tlbm_end - handle_tlbm;
struct uasm_label *l = labels;
struct uasm_reloc *r = relocs;