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-rw-r--r--arch/arm/firmware/Makefile3
-rw-r--r--arch/arm/net/bpf_jit_32.c2
-rw-r--r--arch/m68k/include/asm/mcf_pgalloc.h4
-rw-r--r--arch/openrisc/include/asm/pgalloc.h6
-rw-r--r--arch/openrisc/kernel/entry.S8
-rw-r--r--arch/openrisc/kernel/head.S9
-rw-r--r--arch/openrisc/kernel/traps.c2
-rw-r--r--arch/s390/net/bpf_jit_comp.c1
8 files changed, 21 insertions, 14 deletions
diff --git a/arch/arm/firmware/Makefile b/arch/arm/firmware/Makefile
index a71f16536b6c..6e41336b0bc4 100644
--- a/arch/arm/firmware/Makefile
+++ b/arch/arm/firmware/Makefile
@@ -1 +1,4 @@
obj-$(CONFIG_TRUSTED_FOUNDATIONS) += trusted_foundations.o
+
+# tf_generic_smc() fails to build with -fsanitize-coverage=trace-pc
+KCOV_INSTRUMENT := n
diff --git a/arch/arm/net/bpf_jit_32.c b/arch/arm/net/bpf_jit_32.c
index 6e8b71613039..f6a62ae44a65 100644
--- a/arch/arm/net/bpf_jit_32.c
+++ b/arch/arm/net/bpf_jit_32.c
@@ -1844,7 +1844,7 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog)
/* there are 2 passes here */
bpf_jit_dump(prog->len, image_size, 2, ctx.target);
- set_memory_ro((unsigned long)header, header->pages);
+ bpf_jit_binary_lock_ro(header);
prog->bpf_func = (void *)ctx.target;
prog->jited = 1;
prog->jited_len = image_size;
diff --git a/arch/m68k/include/asm/mcf_pgalloc.h b/arch/m68k/include/asm/mcf_pgalloc.h
index 8b707c249026..12fe700632f4 100644
--- a/arch/m68k/include/asm/mcf_pgalloc.h
+++ b/arch/m68k/include/asm/mcf_pgalloc.h
@@ -44,6 +44,7 @@ extern inline pmd_t *pmd_alloc_kernel(pgd_t *pgd, unsigned long address)
static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t page,
unsigned long address)
{
+ pgtable_page_dtor(page);
__free_page(page);
}
@@ -74,8 +75,9 @@ static inline struct page *pte_alloc_one(struct mm_struct *mm,
return page;
}
-extern inline void pte_free(struct mm_struct *mm, struct page *page)
+static inline void pte_free(struct mm_struct *mm, struct page *page)
{
+ pgtable_page_dtor(page);
__free_page(page);
}
diff --git a/arch/openrisc/include/asm/pgalloc.h b/arch/openrisc/include/asm/pgalloc.h
index 3e1a46615120..8999b9226512 100644
--- a/arch/openrisc/include/asm/pgalloc.h
+++ b/arch/openrisc/include/asm/pgalloc.h
@@ -98,8 +98,12 @@ static inline void pte_free(struct mm_struct *mm, struct page *pte)
__free_page(pte);
}
+#define __pte_free_tlb(tlb, pte, addr) \
+do { \
+ pgtable_page_dtor(pte); \
+ tlb_remove_page((tlb), (pte)); \
+} while (0)
-#define __pte_free_tlb(tlb, pte, addr) tlb_remove_page((tlb), (pte))
#define pmd_pgtable(pmd) pmd_page(pmd)
#define check_pgt_cache() do { } while (0)
diff --git a/arch/openrisc/kernel/entry.S b/arch/openrisc/kernel/entry.S
index 690d55272ba6..0c826ad6e994 100644
--- a/arch/openrisc/kernel/entry.S
+++ b/arch/openrisc/kernel/entry.S
@@ -277,12 +277,6 @@ EXCEPTION_ENTRY(_data_page_fault_handler)
l.addi r3,r1,0 // pt_regs
/* r4 set be EXCEPTION_HANDLE */ // effective address of fault
- /*
- * __PHX__: TODO
- *
- * all this can be written much simpler. look at
- * DTLB miss handler in the CONFIG_GUARD_PROTECTED_CORE part
- */
#ifdef CONFIG_OPENRISC_NO_SPR_SR_DSX
l.lwz r6,PT_PC(r3) // address of an offending insn
l.lwz r6,0(r6) // instruction that caused pf
@@ -314,7 +308,7 @@ EXCEPTION_ENTRY(_data_page_fault_handler)
#else
- l.lwz r6,PT_SR(r3) // SR
+ l.mfspr r6,r0,SPR_SR // SR
l.andi r6,r6,SPR_SR_DSX // check for delay slot exception
l.sfne r6,r0 // exception happened in delay slot
l.bnf 7f
diff --git a/arch/openrisc/kernel/head.S b/arch/openrisc/kernel/head.S
index fb02b2a1d6f2..9fc6b60140f0 100644
--- a/arch/openrisc/kernel/head.S
+++ b/arch/openrisc/kernel/head.S
@@ -210,8 +210,7 @@
* r4 - EEAR exception EA
* r10 - current pointing to current_thread_info struct
* r12 - syscall 0, since we didn't come from syscall
- * r13 - temp it actually contains new SR, not needed anymore
- * r31 - handler address of the handler we'll jump to
+ * r30 - handler address of the handler we'll jump to
*
* handler has to save remaining registers to the exception
* ksp frame *before* tainting them!
@@ -244,6 +243,7 @@
/* r1 is KSP, r30 is __pa(KSP) */ ;\
tophys (r30,r1) ;\
l.sw PT_GPR12(r30),r12 ;\
+ /* r4 use for tmp before EA */ ;\
l.mfspr r12,r0,SPR_EPCR_BASE ;\
l.sw PT_PC(r30),r12 ;\
l.mfspr r12,r0,SPR_ESR_BASE ;\
@@ -263,7 +263,10 @@
/* r12 == 1 if we come from syscall */ ;\
CLEAR_GPR(r12) ;\
/* ----- turn on MMU ----- */ ;\
- l.ori r30,r0,(EXCEPTION_SR) ;\
+ /* Carry DSX into exception SR */ ;\
+ l.mfspr r30,r0,SPR_SR ;\
+ l.andi r30,r30,SPR_SR_DSX ;\
+ l.ori r30,r30,(EXCEPTION_SR) ;\
l.mtspr r0,r30,SPR_ESR_BASE ;\
/* r30: EA address of handler */ ;\
LOAD_SYMBOL_2_GPR(r30,handler) ;\
diff --git a/arch/openrisc/kernel/traps.c b/arch/openrisc/kernel/traps.c
index fac246e6f37a..d8981cbb852a 100644
--- a/arch/openrisc/kernel/traps.c
+++ b/arch/openrisc/kernel/traps.c
@@ -300,7 +300,7 @@ static inline int in_delay_slot(struct pt_regs *regs)
return 0;
}
#else
- return regs->sr & SPR_SR_DSX;
+ return mfspr(SPR_SR) & SPR_SR_DSX;
#endif
}
diff --git a/arch/s390/net/bpf_jit_comp.c b/arch/s390/net/bpf_jit_comp.c
index d2db8acb1a55..5f0234ec8038 100644
--- a/arch/s390/net/bpf_jit_comp.c
+++ b/arch/s390/net/bpf_jit_comp.c
@@ -1286,6 +1286,7 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *fp)
goto free_addrs;
}
if (bpf_jit_prog(&jit, fp)) {
+ bpf_jit_binary_free(header);
fp = orig_fp;
goto free_addrs;
}