diff mbox series

[1/3] powerpc/sstep: Introduce GETTYPE macro

Message ID 20180521042108.8318-2-ravi.bangoria@linux.ibm.com (mailing list archive)
State Accepted
Commit e6684d07e4308430b9b6497265781a6fb9fd87a0
Headers show
Series powerpc/sstep: Fix kernel crash if VSX is not present | expand

Commit Message

Ravi Bangoria May 21, 2018, 4:21 a.m. UTC 
Replace 'op->type & INSTR_TYPE_MASK' expression with GETTYPE(op->type)
macro.

Signed-off-by: Ravi Bangoria <ravi.bangoria@linux.ibm.com>
---
 arch/powerpc/include/asm/sstep.h | 2 ++
 arch/powerpc/kernel/align.c      | 2 +-
 arch/powerpc/lib/sstep.c         | 6 +++---
 3 files changed, 6 insertions(+), 4 deletions(-)

Comments

Michael Ellerman June 4, 2018, 2:11 p.m. UTC | #1 
On Mon, 2018-05-21 at 04:21:06 UTC, Ravi Bangoria wrote:
> Replace 'op->type & INSTR_TYPE_MASK' expression with GETTYPE(op->type)
> macro.
> 
> Signed-off-by: Ravi Bangoria <ravi.bangoria@linux.ibm.com>

Series applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/e6684d07e4308430b9b6497265781a

cheers
diff mbox series

Patch

diff --git a/arch/powerpc/include/asm/sstep.h b/arch/powerpc/include/asm/sstep.h
index ab9d849644d0..9a2dfee26f9f 100644
--- a/arch/powerpc/include/asm/sstep.h
+++ b/arch/powerpc/include/asm/sstep.h
@@ -97,6 +97,8 @@  enum instruction_type {
 #define SIZE(n)		((n) << 12)
 #define GETSIZE(w)	((w) >> 12)
 
+#define GETTYPE(t)	((t) & INSTR_TYPE_MASK)
+
 #define MKOP(t, f, s)	((t) | (f) | SIZE(s))
 
 struct instruction_op {
diff --git a/arch/powerpc/kernel/align.c b/arch/powerpc/kernel/align.c
index 3e6c0744c174..11550a3d1ac2 100644
--- a/arch/powerpc/kernel/align.c
+++ b/arch/powerpc/kernel/align.c
@@ -339,7 +339,7 @@  int fix_alignment(struct pt_regs *regs)
 	if (r < 0)
 		return -EINVAL;
 
-	type = op.type & INSTR_TYPE_MASK;
+	type = GETTYPE(op.type);
 	if (!OP_IS_LOAD_STORE(type)) {
 		if (op.type != CACHEOP + DCBZ)
 			return -EINVAL;
diff --git a/arch/powerpc/lib/sstep.c b/arch/powerpc/lib/sstep.c
index 34d68f1b1b40..db6bba259d91 100644
--- a/arch/powerpc/lib/sstep.c
+++ b/arch/powerpc/lib/sstep.c
@@ -2641,7 +2641,7 @@  void emulate_update_regs(struct pt_regs *regs, struct instruction_op *op)
 	unsigned long next_pc;
 
 	next_pc = truncate_if_32bit(regs->msr, regs->nip + 4);
-	switch (op->type & INSTR_TYPE_MASK) {
+	switch (GETTYPE(op->type)) {
 	case COMPUTE:
 		if (op->type & SETREG)
 			regs->gpr[op->reg] = op->val;
@@ -2739,7 +2739,7 @@  int emulate_loadstore(struct pt_regs *regs, struct instruction_op *op)
 
 	err = 0;
 	size = GETSIZE(op->type);
-	type = op->type & INSTR_TYPE_MASK;
+	type = GETTYPE(op->type);
 	cross_endian = (regs->msr & MSR_LE) != (MSR_KERNEL & MSR_LE);
 	ea = truncate_if_32bit(regs->msr, op->ea);
 
@@ -3001,7 +3001,7 @@  int emulate_step(struct pt_regs *regs, unsigned int instr)
 	}
 
 	err = 0;
-	type = op.type & INSTR_TYPE_MASK;
+	type = GETTYPE(op.type);
 
 	if (OP_IS_LOAD_STORE(type)) {
 		err = emulate_loadstore(regs, &op);