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zipl/s390.h: rename inline macro into __always_inline

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Rename `inline` macro into `__always_inline` so one can differentiate
between the macro and the C keyword. While at it, undefine the
previous `__always_inline` macro so s390.h can be used in combination
with glibc.

Reviewed-by: Philipp Rudo <prudo@linux.ibm.com>
Reviewed-by: Stefan Haberland <sth@linux.ibm.com>
Signed-off-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
This commit is contained in:
Marc Hartmayer
2019-12-09 16:26:50 +01:00
committed by Jan Höppner
parent 97ab8fb4e9
commit 67e76b8ebd
1 changed files with 22 additions and 17 deletions
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39
zipl/boot/s390.h
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@@ -19,7 +19,12 @@
#define __pa(x) ((unsigned long)(x))
#define MIN(x, y) ((x) < (y) ? (x) : (y))
#define barrier() __asm__ __volatile__("": : :"memory")
#define inline inline __attribute__((always_inline))
/* The Linux kernel (in stddef.h) and glibc (sys/cdefs.h) define
* __always_inline. Therefore undefine it first to allow the headers
* to be included first.
*/
#undef __always_inline
#define __always_inline inline __attribute__((always_inline))
/*
* Helper macro for exception table entries
@@ -214,7 +219,7 @@ do { \
libc_stop(reason); \
} while (0)
static inline int page_is_valid(unsigned long addr)
static __always_inline int page_is_valid(unsigned long addr)
{
unsigned long tmp;
int rc;
@@ -234,7 +239,7 @@ static inline int page_is_valid(unsigned long addr)
return rc;
}
static inline uint32_t csum_partial(const void *buf, int len, uint32_t sum)
static __always_inline uint32_t csum_partial(const void *buf, int len, uint32_t sum)
{
register unsigned long reg2 asm("2") = (unsigned long) buf;
register unsigned long reg3 asm("3") = (unsigned long) len;
@@ -262,7 +267,7 @@ static inline uint32_t csum_partial(const void *buf, int len, uint32_t sum)
"i" (low), "i" (high)); \
})
static inline void __ctl_set_bit(unsigned int cr, unsigned int bit)
static __always_inline void __ctl_set_bit(unsigned int cr, unsigned int bit)
{
unsigned long reg;
@@ -282,7 +287,7 @@ enum diag308_subcode {
DIAG308_STORE = 6,
};
static inline int diag308(unsigned long subcode, void *addr)
static __always_inline int diag308(unsigned long subcode, void *addr)
{
register unsigned long _addr asm("0") = (unsigned long) addr;
register unsigned long _rc asm("1") = 0;
@@ -298,7 +303,7 @@ static inline int diag308(unsigned long subcode, void *addr)
/*
* Store CPU address
*/
static inline unsigned short stap(void)
static __always_inline unsigned short stap(void)
{
unsigned short cpu_address;
@@ -309,7 +314,7 @@ static inline unsigned short stap(void)
/*
* Program the clock comparator
*/
static inline void set_clock_comparator(uint64_t time)
static __always_inline void set_clock_comparator(uint64_t time)
{
asm volatile("sckc %0" : : "Q" (time));
}
@@ -317,7 +322,7 @@ static inline void set_clock_comparator(uint64_t time)
/*
* Program the CPU timer
*/
static inline void set_cpu_timer(uint64_t timer)
static __always_inline void set_cpu_timer(uint64_t timer)
{
asm volatile("spt %0" : : "Q" (timer));
}
@@ -325,7 +330,7 @@ static inline void set_cpu_timer(uint64_t timer)
/*
* Get current time (store clock)
*/
static inline unsigned long long get_tod_clock(void)
static __always_inline unsigned long long get_tod_clock(void)
{
unsigned long long clk;
@@ -343,7 +348,7 @@ struct cpuid {
unsigned int unused:16;
} __packed __aligned(8);
static inline void get_cpu_id(struct cpuid *ptr)
static __always_inline void get_cpu_id(struct cpuid *ptr)
{
asm volatile("stidp %0" : "=Q" (*ptr));
}
@@ -351,7 +356,7 @@ static inline void get_cpu_id(struct cpuid *ptr)
/*
* Check if we run under z/VM
*/
static inline int is_zvm(void)
static __always_inline int is_zvm(void)
{
struct cpuid cpuid;
@@ -369,7 +374,7 @@ typedef struct {
/*
* Save vector registers
*/
static inline void save_vx_regs(__vector128 *vxrs)
static __always_inline void save_vx_regs(__vector128 *vxrs)
{
typedef struct { __vector128 _[32]; } addrtype;
@@ -383,7 +388,7 @@ static inline void save_vx_regs(__vector128 *vxrs)
/*
* Save vector registers safe
*/
static inline void save_vx_regs_safe(__vector128 *vxrs)
static __always_inline void save_vx_regs_safe(__vector128 *vxrs)
{
unsigned long cr0;
@@ -396,7 +401,7 @@ static inline void save_vx_regs_safe(__vector128 *vxrs)
#define MAX_FACILITY_BIT (256*8) /* stfle_fac_list has 256 bytes */
static inline int __test_facility(unsigned long nr, void *facilities)
static __always_inline int __test_facility(unsigned long nr, void *facilities)
{
unsigned char *ptr;
@@ -411,12 +416,12 @@ static inline int __test_facility(unsigned long nr, void *facilities)
* That makes it easier to query facility bits with the bit number as
* documented in the Principles of Operation.
*/
static inline int test_facility(unsigned long nr)
static __always_inline int test_facility(unsigned long nr)
{
return __test_facility(nr, &S390_lowcore.stfle_fac_list);
}
static inline unsigned long __stfle_asm(uint64_t *stfle_fac_list, int size)
static __always_inline unsigned long __stfle_asm(uint64_t *stfle_fac_list, int size)
{
register unsigned long reg0 asm("0") = size - 1;
@@ -433,7 +438,7 @@ static inline unsigned long __stfle_asm(uint64_t *stfle_fac_list, int size)
* @stfle_fac_list: array where facility list can be stored
* @size: size of passed in array in double words
*/
static inline void stfle(uint64_t *stfle_fac_list, int size)
static __always_inline void stfle(uint64_t *stfle_fac_list, int size)
{
unsigned long nr;