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authorIngo Molnar <mingo@kernel.org>2020-06-26 12:24:42 +0200
committerIngo Molnar <mingo@kernel.org>2020-06-26 12:24:42 +0200
commit2c92d787cc9fad57d05c96bd117782183768258a (patch)
tree51c0c567b8be2fd56073a8ce31f8ebd123a7d562 /arch/arm
parent145a773aef83181d47ebab21bb33c89233aadb1e (diff)
parent8be3a53e18e0e1a98f288f6c7f5e9da3adbe9c49 (diff)
downloadlinux-2c92d787cc9fad57d05c96bd117782183768258a.tar.bz2
Merge branch 'linus' into x86/entry, to resolve conflicts
Conflicts: arch/x86/kernel/traps.c Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/kernel/ftrace.c3
-rw-r--r--arch/arm/kernel/kgdb.c2
-rw-r--r--arch/arm/kernel/traps.c2
-rw-r--r--arch/arm/mm/alignment.c4
4 files changed, 6 insertions, 5 deletions
diff --git a/arch/arm/kernel/ftrace.c b/arch/arm/kernel/ftrace.c
index 10499d44964a..9a79ef6b1876 100644
--- a/arch/arm/kernel/ftrace.c
+++ b/arch/arm/kernel/ftrace.c
@@ -84,7 +84,8 @@ static int ftrace_modify_code(unsigned long pc, unsigned long old,
old = __opcode_to_mem_arm(old);
if (validate) {
- if (probe_kernel_read(&replaced, (void *)pc, MCOUNT_INSN_SIZE))
+ if (copy_from_kernel_nofault(&replaced, (void *)pc,
+ MCOUNT_INSN_SIZE))
return -EFAULT;
if (replaced != old)
diff --git a/arch/arm/kernel/kgdb.c b/arch/arm/kernel/kgdb.c
index 6a95b9296640..7bd30c0a4280 100644
--- a/arch/arm/kernel/kgdb.c
+++ b/arch/arm/kernel/kgdb.c
@@ -236,7 +236,7 @@ int kgdb_arch_set_breakpoint(struct kgdb_bkpt *bpt)
/* patch_text() only supports int-sized breakpoints */
BUILD_BUG_ON(sizeof(int) != BREAK_INSTR_SIZE);
- err = probe_kernel_read(bpt->saved_instr, (char *)bpt->bpt_addr,
+ err = copy_from_kernel_nofault(bpt->saved_instr, (char *)bpt->bpt_addr,
BREAK_INSTR_SIZE);
if (err)
return err;
diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
index 65a3b1e75480..17d5a785df28 100644
--- a/arch/arm/kernel/traps.c
+++ b/arch/arm/kernel/traps.c
@@ -396,7 +396,7 @@ int is_valid_bugaddr(unsigned long pc)
u32 insn = __opcode_to_mem_arm(BUG_INSTR_VALUE);
#endif
- if (probe_kernel_address((unsigned *)pc, bkpt))
+ if (get_kernel_nofault(bkpt, (void *)pc))
return 0;
return bkpt == insn;
diff --git a/arch/arm/mm/alignment.c b/arch/arm/mm/alignment.c
index 84718eddae60..81a627e6e1c5 100644
--- a/arch/arm/mm/alignment.c
+++ b/arch/arm/mm/alignment.c
@@ -774,7 +774,7 @@ static int alignment_get_arm(struct pt_regs *regs, u32 *ip, u32 *inst)
if (user_mode(regs))
fault = get_user(instr, ip);
else
- fault = probe_kernel_address(ip, instr);
+ fault = get_kernel_nofault(instr, ip);
*inst = __mem_to_opcode_arm(instr);
@@ -789,7 +789,7 @@ static int alignment_get_thumb(struct pt_regs *regs, u16 *ip, u16 *inst)
if (user_mode(regs))
fault = get_user(instr, ip);
else
- fault = probe_kernel_address(ip, instr);
+ fault = get_kernel_nofault(instr, ip);
*inst = __mem_to_opcode_thumb16(instr);