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-rw-r--r--arch/microblaze/Kconfig8
-rw-r--r--arch/microblaze/include/asm/Kbuild3
-rw-r--r--arch/microblaze/include/asm/syscall.h8
-rw-r--r--arch/microblaze/include/asm/tlb.h9
-rw-r--r--arch/microblaze/include/asm/uaccess.h1
-rw-r--r--arch/microblaze/include/asm/unistd.h4
-rw-r--r--arch/microblaze/include/uapi/asm/Kbuild29
-rw-r--r--arch/microblaze/kernel/setup.c13
-rw-r--r--arch/microblaze/kernel/syscalls/syscall.tbl87
-rw-r--r--arch/microblaze/mm/init.c15
10 files changed, 80 insertions, 97 deletions
diff --git a/arch/microblaze/Kconfig b/arch/microblaze/Kconfig
index 58aff2653d86..adb179f519f9 100644
--- a/arch/microblaze/Kconfig
+++ b/arch/microblaze/Kconfig
@@ -1,5 +1,6 @@
config MICROBLAZE
def_bool y
+ select ARCH_32BIT_OFF_T
select ARCH_NO_SWAP
select ARCH_HAS_DMA_COHERENT_TO_PFN if MMU
select ARCH_HAS_GCOV_PROFILE_ALL
@@ -40,6 +41,7 @@ config MICROBLAZE
select TRACING_SUPPORT
select VIRT_TO_BUS
select CPU_NO_EFFICIENT_FFS
+ select MMU_GATHER_NO_RANGE if MMU
# Endianness selection
choice
@@ -57,15 +59,9 @@ config CPU_LITTLE_ENDIAN
endchoice
-config RWSEM_GENERIC_SPINLOCK
- def_bool y
-
config ZONE_DMA
def_bool y
-config RWSEM_XCHGADD_ALGORITHM
- bool
-
config ARCH_HAS_ILOG2_U32
def_bool n
diff --git a/arch/microblaze/include/asm/Kbuild b/arch/microblaze/include/asm/Kbuild
index 9c7d1d25bf3d..17a8d0a62038 100644
--- a/arch/microblaze/include/asm/Kbuild
+++ b/arch/microblaze/include/asm/Kbuild
@@ -17,15 +17,18 @@ generic-y += irq_work.h
generic-y += kdebug.h
generic-y += kmap_types.h
generic-y += kprobes.h
+generic-y += kvm_para.h
generic-y += linkage.h
generic-y += local.h
generic-y += local64.h
generic-y += mcs_spinlock.h
generic-y += mm-arch-hooks.h
+generic-y += mmiowb.h
generic-y += parport.h
generic-y += percpu.h
generic-y += preempt.h
generic-y += serial.h
+generic-y += shmparam.h
generic-y += syscalls.h
generic-y += topology.h
generic-y += trace_clock.h
diff --git a/arch/microblaze/include/asm/syscall.h b/arch/microblaze/include/asm/syscall.h
index 220decd605a4..833d3a53dab3 100644
--- a/arch/microblaze/include/asm/syscall.h
+++ b/arch/microblaze/include/asm/syscall.h
@@ -82,18 +82,22 @@ static inline void microblaze_set_syscall_arg(struct pt_regs *regs,
static inline void syscall_get_arguments(struct task_struct *task,
struct pt_regs *regs,
- unsigned int i, unsigned int n,
unsigned long *args)
{
+ unsigned int i = 0;
+ unsigned int n = 6;
+
while (n--)
*args++ = microblaze_get_syscall_arg(regs, i++);
}
static inline void syscall_set_arguments(struct task_struct *task,
struct pt_regs *regs,
- unsigned int i, unsigned int n,
const unsigned long *args)
{
+ unsigned int i = 0;
+ unsigned int n = 6;
+
while (n--)
microblaze_set_syscall_arg(regs, i++, *args++);
}
diff --git a/arch/microblaze/include/asm/tlb.h b/arch/microblaze/include/asm/tlb.h
index 99b6ded54849..628a78ee0a72 100644
--- a/arch/microblaze/include/asm/tlb.h
+++ b/arch/microblaze/include/asm/tlb.h
@@ -11,16 +11,7 @@
#ifndef _ASM_MICROBLAZE_TLB_H
#define _ASM_MICROBLAZE_TLB_H
-#define tlb_flush(tlb) flush_tlb_mm((tlb)->mm)
-
#include <linux/pagemap.h>
-
-#ifdef CONFIG_MMU
-#define tlb_start_vma(tlb, vma) do { } while (0)
-#define tlb_end_vma(tlb, vma) do { } while (0)
-#define __tlb_remove_tlb_entry(tlb, pte, address) do { } while (0)
-#endif
-
#include <asm-generic/tlb.h>
#endif /* _ASM_MICROBLAZE_TLB_H */
diff --git a/arch/microblaze/include/asm/uaccess.h b/arch/microblaze/include/asm/uaccess.h
index dbfea093a7c7..bff2a71c828a 100644
--- a/arch/microblaze/include/asm/uaccess.h
+++ b/arch/microblaze/include/asm/uaccess.h
@@ -42,7 +42,6 @@
# define USER_DS MAKE_MM_SEG(TASK_SIZE - 1)
# endif
-# define get_ds() (KERNEL_DS)
# define get_fs() (current_thread_info()->addr_limit)
# define set_fs(val) (current_thread_info()->addr_limit = (val))
diff --git a/arch/microblaze/include/asm/unistd.h b/arch/microblaze/include/asm/unistd.h
index 9b7c2c4eaf12..d79d35ac6253 100644
--- a/arch/microblaze/include/asm/unistd.h
+++ b/arch/microblaze/include/asm/unistd.h
@@ -21,8 +21,8 @@
#define __ARCH_WANT_SYS_GETHOSTNAME
#define __ARCH_WANT_SYS_PAUSE
#define __ARCH_WANT_SYS_SIGNAL
-#define __ARCH_WANT_SYS_TIME
-#define __ARCH_WANT_SYS_UTIME
+#define __ARCH_WANT_SYS_TIME32
+#define __ARCH_WANT_SYS_UTIME32
#define __ARCH_WANT_SYS_WAITPID
#define __ARCH_WANT_SYS_SOCKETCALL
#define __ARCH_WANT_SYS_FADVISE64
diff --git a/arch/microblaze/include/uapi/asm/Kbuild b/arch/microblaze/include/uapi/asm/Kbuild
index b6656d930a0e..13f59631c576 100644
--- a/arch/microblaze/include/uapi/asm/Kbuild
+++ b/arch/microblaze/include/uapi/asm/Kbuild
@@ -1,31 +1,2 @@
-# UAPI Header export list
-include include/uapi/asm-generic/Kbuild.asm
-
generated-y += unistd_32.h
-generic-y += bitsperlong.h
-generic-y += bpf_perf_event.h
-generic-y += errno.h
-generic-y += fcntl.h
-generic-y += ioctl.h
-generic-y += ioctls.h
-generic-y += ipcbuf.h
-generic-y += kvm_para.h
-generic-y += mman.h
-generic-y += msgbuf.h
-generic-y += param.h
-generic-y += poll.h
-generic-y += resource.h
-generic-y += sembuf.h
-generic-y += shmbuf.h
-generic-y += shmparam.h
-generic-y += siginfo.h
-generic-y += signal.h
-generic-y += socket.h
-generic-y += sockios.h
-generic-y += stat.h
-generic-y += statfs.h
-generic-y += swab.h
-generic-y += termbits.h
-generic-y += termios.h
-generic-y += types.h
generic-y += ucontext.h
diff --git a/arch/microblaze/kernel/setup.c b/arch/microblaze/kernel/setup.c
index bbd6968ce55b..522a0c5d9c59 100644
--- a/arch/microblaze/kernel/setup.c
+++ b/arch/microblaze/kernel/setup.c
@@ -192,23 +192,14 @@ struct dentry *of_debugfs_root;
static int microblaze_debugfs_init(void)
{
of_debugfs_root = debugfs_create_dir("microblaze", NULL);
-
- return of_debugfs_root == NULL;
+ return 0;
}
arch_initcall(microblaze_debugfs_init);
# ifdef CONFIG_MMU
static int __init debugfs_tlb(void)
{
- struct dentry *d;
-
- if (!of_debugfs_root)
- return -ENODEV;
-
- d = debugfs_create_u32("tlb_skip", S_IRUGO, of_debugfs_root, &tlb_skip);
- if (!d)
- return -ENOMEM;
-
+ debugfs_create_u32("tlb_skip", S_IRUGO, of_debugfs_root, &tlb_skip);
return 0;
}
device_initcall(debugfs_tlb);
diff --git a/arch/microblaze/kernel/syscalls/syscall.tbl b/arch/microblaze/kernel/syscalls/syscall.tbl
index a24d09e937dd..4964947732af 100644
--- a/arch/microblaze/kernel/syscalls/syscall.tbl
+++ b/arch/microblaze/kernel/syscalls/syscall.tbl
@@ -20,7 +20,7 @@
10 common unlink sys_unlink
11 common execve sys_execve
12 common chdir sys_chdir
-13 common time sys_time
+13 common time sys_time32
14 common mknod sys_mknod
15 common chmod sys_chmod
16 common lchown sys_lchown
@@ -32,12 +32,12 @@
22 common umount sys_oldumount
23 common setuid sys_setuid
24 common getuid sys_getuid
-25 common stime sys_stime
+25 common stime sys_stime32
26 common ptrace sys_ptrace
27 common alarm sys_alarm
28 common oldfstat sys_ni_syscall
29 common pause sys_pause
-30 common utime sys_utime
+30 common utime sys_utime32
31 common stty sys_ni_syscall
32 common gtty sys_ni_syscall
33 common access sys_access
@@ -131,7 +131,7 @@
121 common setdomainname sys_setdomainname
122 common uname sys_newuname
123 common modify_ldt sys_ni_syscall
-124 common adjtimex sys_adjtimex
+124 common adjtimex sys_adjtimex_time32
125 common mprotect sys_mprotect
126 common sigprocmask sys_sigprocmask
127 common create_module sys_ni_syscall
@@ -168,8 +168,8 @@
158 common sched_yield sys_sched_yield
159 common sched_get_priority_max sys_sched_get_priority_max
160 common sched_get_priority_min sys_sched_get_priority_min
-161 common sched_rr_get_interval sys_sched_rr_get_interval
-162 common nanosleep sys_nanosleep
+161 common sched_rr_get_interval sys_sched_rr_get_interval_time32
+162 common nanosleep sys_nanosleep_time32
163 common mremap sys_mremap
164 common setresuid sys_setresuid
165 common getresuid sys_getresuid
@@ -184,7 +184,7 @@
174 common rt_sigaction sys_rt_sigaction
175 common rt_sigprocmask sys_rt_sigprocmask
176 common rt_sigpending sys_rt_sigpending
-177 common rt_sigtimedwait sys_rt_sigtimedwait
+177 common rt_sigtimedwait sys_rt_sigtimedwait_time32
178 common rt_sigqueueinfo sys_rt_sigqueueinfo
179 common rt_sigsuspend sys_rt_sigsuspend
180 common pread64 sys_pread64
@@ -247,14 +247,14 @@
237 common fremovexattr sys_fremovexattr
238 common tkill sys_tkill
239 common sendfile64 sys_sendfile64
-240 common futex sys_futex
+240 common futex sys_futex_time32
241 common sched_setaffinity sys_sched_setaffinity
242 common sched_getaffinity sys_sched_getaffinity
243 common set_thread_area sys_ni_syscall
244 common get_thread_area sys_ni_syscall
245 common io_setup sys_io_setup
246 common io_destroy sys_io_destroy
-247 common io_getevents sys_io_getevents
+247 common io_getevents sys_io_getevents_time32
248 common io_submit sys_io_submit
249 common io_cancel sys_io_cancel
250 common fadvise64 sys_fadvise64
@@ -267,18 +267,18 @@
257 common remap_file_pages sys_remap_file_pages
258 common set_tid_address sys_set_tid_address
259 common timer_create sys_timer_create
-260 common timer_settime sys_timer_settime
-261 common timer_gettime sys_timer_gettime
+260 common timer_settime sys_timer_settime32
+261 common timer_gettime sys_timer_gettime32
262 common timer_getoverrun sys_timer_getoverrun
263 common timer_delete sys_timer_delete
-264 common clock_settime sys_clock_settime
-265 common clock_gettime sys_clock_gettime
-266 common clock_getres sys_clock_getres
-267 common clock_nanosleep sys_clock_nanosleep
+264 common clock_settime sys_clock_settime32
+265 common clock_gettime sys_clock_gettime32
+266 common clock_getres sys_clock_getres_time32
+267 common clock_nanosleep sys_clock_nanosleep_time32
268 common statfs64 sys_statfs64
269 common fstatfs64 sys_fstatfs64
270 common tgkill sys_tgkill
-271 common utimes sys_utimes
+271 common utimes sys_utimes_time32
272 common fadvise64_64 sys_fadvise64_64
273 common vserver sys_ni_syscall
274 common mbind sys_mbind
@@ -286,8 +286,8 @@
276 common set_mempolicy sys_set_mempolicy
277 common mq_open sys_mq_open
278 common mq_unlink sys_mq_unlink
-279 common mq_timedsend sys_mq_timedsend
-280 common mq_timedreceive sys_mq_timedreceive
+279 common mq_timedsend sys_mq_timedsend_time32
+280 common mq_timedreceive sys_mq_timedreceive_time32
281 common mq_notify sys_mq_notify
282 common mq_getsetattr sys_mq_getsetattr
283 common kexec_load sys_kexec_load
@@ -306,7 +306,7 @@
296 common mkdirat sys_mkdirat
297 common mknodat sys_mknodat
298 common fchownat sys_fchownat
-299 common futimesat sys_futimesat
+299 common futimesat sys_futimesat_time32
300 common fstatat64 sys_fstatat64
301 common unlinkat sys_unlinkat
302 common renameat sys_renameat
@@ -315,8 +315,8 @@
305 common readlinkat sys_readlinkat
306 common fchmodat sys_fchmodat
307 common faccessat sys_faccessat
-308 common pselect6 sys_pselect6
-309 common ppoll sys_ppoll
+308 common pselect6 sys_pselect6_time32
+309 common ppoll sys_ppoll_time32
310 common unshare sys_unshare
311 common set_robust_list sys_set_robust_list
312 common get_robust_list sys_get_robust_list
@@ -327,23 +327,23 @@
317 common move_pages sys_move_pages
318 common getcpu sys_getcpu
319 common epoll_pwait sys_epoll_pwait
-320 common utimensat sys_utimensat
+320 common utimensat sys_utimensat_time32
321 common signalfd sys_signalfd
322 common timerfd_create sys_timerfd_create
323 common eventfd sys_eventfd
324 common fallocate sys_fallocate
-325 common semtimedop sys_semtimedop
-326 common timerfd_settime sys_timerfd_settime
-327 common timerfd_gettime sys_timerfd_gettime
-328 common semctl sys_semctl
+325 common semtimedop sys_semtimedop_time32
+326 common timerfd_settime sys_timerfd_settime32
+327 common timerfd_gettime sys_timerfd_gettime32
+328 common semctl sys_old_semctl
329 common semget sys_semget
330 common semop sys_semop
-331 common msgctl sys_msgctl
+331 common msgctl sys_old_msgctl
332 common msgget sys_msgget
333 common msgrcv sys_msgrcv
334 common msgsnd sys_msgsnd
335 common shmat sys_shmat
-336 common shmctl sys_shmctl
+336 common shmctl sys_old_shmctl
337 common shmdt sys_shmdt
338 common shmget sys_shmget
339 common signalfd4 sys_signalfd4
@@ -374,13 +374,13 @@
364 common pwritev sys_pwritev
365 common rt_tgsigqueueinfo sys_rt_tgsigqueueinfo
366 common perf_event_open sys_perf_event_open
-367 common recvmmsg sys_recvmmsg
+367 common recvmmsg sys_recvmmsg_time32
368 common fanotify_init sys_fanotify_init
369 common fanotify_mark sys_fanotify_mark
370 common prlimit64 sys_prlimit64
371 common name_to_handle_at sys_name_to_handle_at
372 common open_by_handle_at sys_open_by_handle_at
-373 common clock_adjtime sys_clock_adjtime
+373 common clock_adjtime sys_clock_adjtime32
374 common syncfs sys_syncfs
375 common setns sys_setns
376 common sendmmsg sys_sendmmsg
@@ -406,5 +406,30 @@
396 common pkey_alloc sys_pkey_alloc
397 common pkey_free sys_pkey_free
398 common statx sys_statx
-399 common io_pgetevents sys_io_pgetevents
+399 common io_pgetevents sys_io_pgetevents_time32
400 common rseq sys_rseq
+# 401 and 402 are unused
+403 common clock_gettime64 sys_clock_gettime
+404 common clock_settime64 sys_clock_settime
+405 common clock_adjtime64 sys_clock_adjtime
+406 common clock_getres_time64 sys_clock_getres
+407 common clock_nanosleep_time64 sys_clock_nanosleep
+408 common timer_gettime64 sys_timer_gettime
+409 common timer_settime64 sys_timer_settime
+410 common timerfd_gettime64 sys_timerfd_gettime
+411 common timerfd_settime64 sys_timerfd_settime
+412 common utimensat_time64 sys_utimensat
+413 common pselect6_time64 sys_pselect6
+414 common ppoll_time64 sys_ppoll
+416 common io_pgetevents_time64 sys_io_pgetevents
+417 common recvmmsg_time64 sys_recvmmsg
+418 common mq_timedsend_time64 sys_mq_timedsend
+419 common mq_timedreceive_time64 sys_mq_timedreceive
+420 common semtimedop_time64 sys_semtimedop
+421 common rt_sigtimedwait_time64 sys_rt_sigtimedwait
+422 common futex_time64 sys_futex
+423 common sched_rr_get_interval_time64 sys_sched_rr_get_interval
+424 common pidfd_send_signal sys_pidfd_send_signal
+425 common io_uring_setup sys_io_uring_setup
+426 common io_uring_enter sys_io_uring_enter
+427 common io_uring_register sys_io_uring_register
diff --git a/arch/microblaze/mm/init.c b/arch/microblaze/mm/init.c
index b17fd8aafd64..7e97d44f6538 100644
--- a/arch/microblaze/mm/init.c
+++ b/arch/microblaze/mm/init.c
@@ -363,8 +363,9 @@ void __init *early_get_page(void)
* Mem start + kernel_tlb -> here is limit
* because of mem mapping from head.S
*/
- return __va(memblock_alloc_base(PAGE_SIZE, PAGE_SIZE,
- memory_start + kernel_tlb));
+ return memblock_alloc_try_nid_raw(PAGE_SIZE, PAGE_SIZE,
+ MEMBLOCK_LOW_LIMIT, memory_start + kernel_tlb,
+ NUMA_NO_NODE);
}
#endif /* CONFIG_MMU */
@@ -373,12 +374,14 @@ void * __ref zalloc_maybe_bootmem(size_t size, gfp_t mask)
{
void *p;
- if (mem_init_done)
+ if (mem_init_done) {
p = kzalloc(size, mask);
- else {
+ } else {
p = memblock_alloc(size, SMP_CACHE_BYTES);
- if (p)
- memset(p, 0, size);
+ if (!p)
+ panic("%s: Failed to allocate %zu bytes\n",
+ __func__, size);
}
+
return p;
}