[kvm-unit-tests GIT PULL 11/11] s390x: fix inline asm on gcc10

Janosch Frank
2020-07-31T09:46:32Z

From: Claudio Imbrenda <imbrenda@linux.ibm.com>

Fix compilation issues on 390x with gcc 10.

Simply mark the inline functions that lead to a .insn with a variable
opcode as __always_inline, to make gcc 10 happy.

Signed-off-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Janosch Frank <frankja@linux.ibm.com>
Message-Id: <20200727102643.15439-1-imbrenda@linux.ibm.com>
Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
---
lib/s390x/asm/cpacf.h | 5 +++--
s390x/emulator.c | 25 +++++++++++++------------
2 files changed, 16 insertions(+), 14 deletions(-)

diff --git a/lib/s390x/asm/cpacf.h b/lib/s390x/asm/cpacf.h
index ae2ec53..2146a01 100644
--- a/lib/s390x/asm/cpacf.h
+++ b/lib/s390x/asm/cpacf.h
@@ -11,6 +11,7 @@
#define _ASM_S390_CPACF_H

#include <asm/facility.h>
+#include <linux/compiler.h>

/*
* Instruction opcodes for the CPACF instructions
@@ -145,7 +146,7 @@ typedef struct { unsigned char bytes[16]; } cpacf_mask_t;
*
* Returns 1 if @func is available for @opcode, 0 otherwise
*/
-static inline void __cpacf_query(unsigned int opcode, cpacf_mask_t *mask)
+static __always_inline void __cpacf_query(unsigned int opcode, cpacf_mask_t *mask)
{
register unsigned long r0 asm("0") = 0; /* query function */
register unsigned long r1 asm("1") = (unsigned long) mask;
@@ -183,7 +184,7 @@ static inline int __cpacf_check_opcode(unsigned int opcode)
}
}

-static inline int cpacf_query(unsigned int opcode, cpacf_mask_t *mask)
+static __always_inline int cpacf_query(unsigned int opcode, cpacf_mask_t *mask)
{
if (__cpacf_check_opcode(opcode)) {
__cpacf_query(opcode, mask);
diff --git a/s390x/emulator.c b/s390x/emulator.c
index 1ee0df5..70ef51a 100644
--- a/s390x/emulator.c
+++ b/s390x/emulator.c
@@ -14,6 +14,7 @@
#include <asm/cpacf.h>
#include <asm/interrupt.h>
#include <asm/float.h>
+#include <linux/compiler.h>

struct lowcore *lc = NULL;

@@ -46,7 +47,7 @@ static void test_spm_ipm(void)
__test_spm_ipm(0, 0);
}

-static inline void __test_cpacf(unsigned int opcode, unsigned long func,
+static __always_inline void __test_cpacf(unsigned int opcode, unsigned long func,
unsigned int r1, unsigned int r2,
unsigned int r3)
{
@@ -59,7 +60,7 @@ static inline void __test_cpacf(unsigned int opcode, unsigned long func,
[r1] "i" (r1), [r2] "i" (r2), [r3] "i" (r3));
}

-static inline void __test_cpacf_r1_odd(unsigned int opcode)
+static __always_inline void __test_cpacf_r1_odd(unsigned int opcode)
{
report_prefix_push("r1 odd");
expect_pgm_int();
@@ -68,7 +69,7 @@ static inline void __test_cpacf_r1_odd(unsigned int opcode)
report_prefix_pop();
}

-static inline void __test_cpacf_r1_null(unsigned int opcode)
+static __always_inline void __test_cpacf_r1_null(unsigned int opcode)
{
report_prefix_push("r1 null");
expect_pgm_int();
@@ -77,7 +78,7 @@ static inline void __test_cpacf_r1_null(unsigned int opcode)
report_prefix_pop();
}

-static inline void __test_cpacf_r2_odd(unsigned int opcode)
+static __always_inline void __test_cpacf_r2_odd(unsigned int opcode)
{
report_prefix_push("r2 odd");
expect_pgm_int();
@@ -86,7 +87,7 @@ static inline void __test_cpacf_r2_odd(unsigned int opcode)
report_prefix_pop();
}

-static inline void __test_cpacf_r2_null(unsigned int opcode)
+static __always_inline void __test_cpacf_r2_null(unsigned int opcode)
{
report_prefix_push("r2 null");
expect_pgm_int();
@@ -95,7 +96,7 @@ static inline void __test_cpacf_r2_null(unsigned int opcode)
report_prefix_pop();
}

-static inline void __test_cpacf_r3_odd(unsigned int opcode)
+static __always_inline void __test_cpacf_r3_odd(unsigned int opcode)
{
report_prefix_push("r3 odd");
expect_pgm_int();
@@ -104,7 +105,7 @@ static inline void __test_cpacf_r3_odd(unsigned int opcode)
report_prefix_pop();
}

-static inline void __test_cpacf_r3_null(unsigned int opcode)
+static __always_inline void __test_cpacf_r3_null(unsigned int opcode)
{
report_prefix_push("r3 null");
expect_pgm_int();
@@ -113,7 +114,7 @@ static inline void __test_cpacf_r3_null(unsigned int opcode)
report_prefix_pop();
}

-static inline void __test_cpacf_mod_bit(unsigned int opcode)
+static __always_inline void __test_cpacf_mod_bit(unsigned int opcode)
{
report_prefix_push("mod bit");
expect_pgm_int();
@@ -122,7 +123,7 @@ static inline void __test_cpacf_mod_bit(unsigned int opcode)
report_prefix_pop();
}

-static inline void __test_cpacf_invalid_func(unsigned int opcode)
+static __always_inline void __test_cpacf_invalid_func(unsigned int opcode)
{
report_prefix_push("invalid subfunction");
expect_pgm_int();
@@ -137,7 +138,7 @@ static inline void __test_cpacf_invalid_func(unsigned int opcode)
report_prefix_pop();
}

-static inline void __test_cpacf_invalid_parm(unsigned int opcode)
+static __always_inline void __test_cpacf_invalid_parm(unsigned int opcode)
{
report_prefix_push("invalid parm address");
expect_pgm_int();
@@ -146,7 +147,7 @@ static inline void __test_cpacf_invalid_parm(unsigned int opcode)
report_prefix_pop();
}

-static inline void __test_cpacf_protected_parm(unsigned int opcode)
+static __always_inline void __test_cpacf_protected_parm(unsigned int opcode)
{
report_prefix_push("protected parm address");
expect_pgm_int();
@@ -157,7 +158,7 @@ static inline void __test_cpacf_protected_parm(unsigned int opcode)
report_prefix_pop();
}

-static inline void __test_basic_cpacf_opcode(unsigned int opcode)
+static __always_inline void __test_basic_cpacf_opcode(unsigned int opcode)
{
bool mod_bit_allowed = false;

--
2.25.4