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-rw-r--r--include/asm-i386/alternative.h20
-rw-r--r--include/asm-i386/mach-default/mach_mpspec.h4
-rw-r--r--include/asm-i386/rwlock.h28
-rw-r--r--include/asm-i386/spinlock.h17
-rw-r--r--include/asm-i386/unistd.h4
-rw-r--r--include/asm-i386/unwind.h1
6 files changed, 23 insertions, 51 deletions
diff --git a/include/asm-i386/alternative.h b/include/asm-i386/alternative.h
index 96adbabec74..b01a7ec409c 100644
--- a/include/asm-i386/alternative.h
+++ b/include/asm-i386/alternative.h
@@ -88,9 +88,6 @@ static inline void alternatives_smp_switch(int smp) {}
/*
* Alternative inline assembly for SMP.
*
- * alternative_smp() takes two versions (SMP first, UP second) and is
- * for more complex stuff such as spinlocks.
- *
* The LOCK_PREFIX macro defined here replaces the LOCK and
* LOCK_PREFIX macros used everywhere in the source tree.
*
@@ -110,21 +107,6 @@ static inline void alternatives_smp_switch(int smp) {}
*/
#ifdef CONFIG_SMP
-#define alternative_smp(smpinstr, upinstr, args...) \
- asm volatile ("661:\n\t" smpinstr "\n662:\n" \
- ".section .smp_altinstructions,\"a\"\n" \
- " .align 4\n" \
- " .long 661b\n" /* label */ \
- " .long 663f\n" /* new instruction */ \
- " .byte 0x68\n" /* X86_FEATURE_UP */ \
- " .byte 662b-661b\n" /* sourcelen */ \
- " .byte 664f-663f\n" /* replacementlen */ \
- ".previous\n" \
- ".section .smp_altinstr_replacement,\"awx\"\n" \
- "663:\n\t" upinstr "\n" /* replacement */ \
- "664:\n\t.fill 662b-661b,1,0x42\n" /* space for original */ \
- ".previous" : args)
-
#define LOCK_PREFIX \
".section .smp_locks,\"a\"\n" \
" .align 4\n" \
@@ -133,8 +115,6 @@ static inline void alternatives_smp_switch(int smp) {}
"661:\n\tlock; "
#else /* ! CONFIG_SMP */
-#define alternative_smp(smpinstr, upinstr, args...) \
- asm volatile (upinstr : args)
#define LOCK_PREFIX ""
#endif
diff --git a/include/asm-i386/mach-default/mach_mpspec.h b/include/asm-i386/mach-default/mach_mpspec.h
index 6b5dadcf1d0..51c9a977593 100644
--- a/include/asm-i386/mach-default/mach_mpspec.h
+++ b/include/asm-i386/mach-default/mach_mpspec.h
@@ -3,6 +3,10 @@
#define MAX_IRQ_SOURCES 256
+#if CONFIG_BASE_SMALL == 0
+#define MAX_MP_BUSSES 256
+#else
#define MAX_MP_BUSSES 32
+#endif
#endif /* __ASM_MACH_MPSPEC_H */
diff --git a/include/asm-i386/rwlock.h b/include/asm-i386/rwlock.h
index 96b0bef2ea5..87c069ccba0 100644
--- a/include/asm-i386/rwlock.h
+++ b/include/asm-i386/rwlock.h
@@ -21,23 +21,21 @@
#define RW_LOCK_BIAS_STR "0x01000000"
#define __build_read_lock_ptr(rw, helper) \
- alternative_smp("lock; subl $1,(%0)\n\t" \
+ asm volatile(LOCK_PREFIX " subl $1,(%0)\n\t" \
"jns 1f\n" \
"call " helper "\n\t" \
- "1:\n", \
- "subl $1,(%0)\n\t", \
- :"a" (rw) : "memory")
+ "1:\n" \
+ ::"a" (rw) : "memory")
#define __build_read_lock_const(rw, helper) \
- alternative_smp("lock; subl $1,%0\n\t" \
+ asm volatile(LOCK_PREFIX " subl $1,%0\n\t" \
"jns 1f\n" \
"pushl %%eax\n\t" \
"leal %0,%%eax\n\t" \
"call " helper "\n\t" \
"popl %%eax\n\t" \
- "1:\n", \
- "subl $1,%0\n\t", \
- "+m" (*(volatile int *)rw) : : "memory")
+ "1:\n" \
+ :"+m" (*(volatile int *)rw) : : "memory")
#define __build_read_lock(rw, helper) do { \
if (__builtin_constant_p(rw)) \
@@ -47,23 +45,21 @@
} while (0)
#define __build_write_lock_ptr(rw, helper) \
- alternative_smp("lock; subl $" RW_LOCK_BIAS_STR ",(%0)\n\t" \
+ asm volatile(LOCK_PREFIX " subl $" RW_LOCK_BIAS_STR ",(%0)\n\t" \
"jz 1f\n" \
"call " helper "\n\t" \
- "1:\n", \
- "subl $" RW_LOCK_BIAS_STR ",(%0)\n\t", \
- :"a" (rw) : "memory")
+ "1:\n" \
+ ::"a" (rw) : "memory")
#define __build_write_lock_const(rw, helper) \
- alternative_smp("lock; subl $" RW_LOCK_BIAS_STR ",%0\n\t" \
+ asm volatile(LOCK_PREFIX " subl $" RW_LOCK_BIAS_STR ",%0\n\t" \
"jz 1f\n" \
"pushl %%eax\n\t" \
"leal %0,%%eax\n\t" \
"call " helper "\n\t" \
"popl %%eax\n\t" \
- "1:\n", \
- "subl $" RW_LOCK_BIAS_STR ",%0\n\t", \
- "+m" (*(volatile int *)rw) : : "memory")
+ "1:\n" \
+ :"+m" (*(volatile int *)rw) : : "memory")
#define __build_write_lock(rw, helper) do { \
if (__builtin_constant_p(rw)) \
diff --git a/include/asm-i386/spinlock.h b/include/asm-i386/spinlock.h
index d816c62a7a1..d1020363c41 100644
--- a/include/asm-i386/spinlock.h
+++ b/include/asm-i386/spinlock.h
@@ -22,7 +22,7 @@
#define __raw_spin_lock_string \
"\n1:\t" \
- "lock ; decb %0\n\t" \
+ LOCK_PREFIX " ; decb %0\n\t" \
"jns 3f\n" \
"2:\t" \
"rep;nop\n\t" \
@@ -38,7 +38,7 @@
*/
#define __raw_spin_lock_string_flags \
"\n1:\t" \
- "lock ; decb %0\n\t" \
+ LOCK_PREFIX " ; decb %0\n\t" \
"jns 5f\n" \
"2:\t" \
"testl $0x200, %1\n\t" \
@@ -57,15 +57,9 @@
"jmp 4b\n" \
"5:\n\t"
-#define __raw_spin_lock_string_up \
- "\n\tdecb %0"
-
static inline void __raw_spin_lock(raw_spinlock_t *lock)
{
- alternative_smp(
- __raw_spin_lock_string,
- __raw_spin_lock_string_up,
- "+m" (lock->slock) : : "memory");
+ asm(__raw_spin_lock_string : "+m" (lock->slock) : : "memory");
}
/*
@@ -76,10 +70,7 @@ static inline void __raw_spin_lock(raw_spinlock_t *lock)
#ifndef CONFIG_PROVE_LOCKING
static inline void __raw_spin_lock_flags(raw_spinlock_t *lock, unsigned long flags)
{
- alternative_smp(
- __raw_spin_lock_string_flags,
- __raw_spin_lock_string_up,
- "+m" (lock->slock) : "r" (flags) : "memory");
+ asm(__raw_spin_lock_string_flags : "+m" (lock->slock) : "r" (flags) : "memory");
}
#endif
diff --git a/include/asm-i386/unistd.h b/include/asm-i386/unistd.h
index fc1c8ddae14..d983b74e4d9 100644
--- a/include/asm-i386/unistd.h
+++ b/include/asm-i386/unistd.h
@@ -324,8 +324,6 @@
#define __NR_vmsplice 316
#define __NR_move_pages 317
-#ifdef __KERNEL__
-
#define NR_syscalls 318
/*
@@ -425,6 +423,8 @@ __asm__ volatile ("push %%ebp ; push %%ebx ; movl 4(%2),%%ebp ; " \
__syscall_return(type,__res); \
}
+#ifdef __KERNEL__
+
#define __ARCH_WANT_IPC_PARSE_VERSION
#define __ARCH_WANT_OLD_READDIR
#define __ARCH_WANT_OLD_STAT
diff --git a/include/asm-i386/unwind.h b/include/asm-i386/unwind.h
index 69f0f1df672..4c1a0b96856 100644
--- a/include/asm-i386/unwind.h
+++ b/include/asm-i386/unwind.h
@@ -87,6 +87,7 @@ static inline int arch_unw_user_mode(const struct unwind_frame_info *info)
#else
#define UNW_PC(frame) ((void)(frame), 0)
+#define UNW_SP(frame) ((void)(frame), 0)
static inline int arch_unw_user_mode(const void *info)
{
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-30 20:44:50 +0000