linux-user/: fix some comment spelling errors

I found that there are many spelling errors in the comments of qemu,
so I used the spellcheck tool to check the spelling errors
and finally found some spelling errors in the linux-user folder.

Signed-off-by: zhaolichang <zhaolichang@huawei.com>
Reviewed-by: Alex Bennee <alex.bennee@linaro.org>
Message-Id: <20200917075029.313-7-zhaolichang@huawei.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>

linux-user/aarch64/signal.c

@@ -78,7 +78,7 @@ struct target_sve_context {
     struct target_aarch64_ctx head;
     uint16_t vl;
     uint16_t reserved[3];
-    /* The actual SVE data immediately follows.  It is layed out
+    /* The actual SVE data immediately follows.  It is laid out
      * according to TARGET_SVE_SIG_{Z,P}REG_OFFSET, based off of
      * the original struct pointer.
      */

linux-user/cris/target_syscall.h

@@ -4,7 +4,7 @@
 #define UNAME_MACHINE "cris"
 #define UNAME_MINIMUM_RELEASE "2.6.32"
 
-/* pt_regs not only specifices the format in the user-struct during
+/* pt_regs not only specifies the format in the user-struct during
  * ptrace but is also the frame format used in the kernel prologue/epilogues
  * themselves
  */
@@ -32,7 +32,7 @@ struct target_pt_regs {
         unsigned long spc;
         unsigned long ccs;
         unsigned long srp;
-        unsigned long erp; /* This is actually the debugged process' PC */
+        unsigned long erp; /* This is actually the debugged process's PC */
         /* For debugging purposes; saved only when needed. */
         unsigned long exs;
         unsigned long eda;

linux-user/flat.h

@@ -43,7 +43,7 @@ struct flat_hdr {
 	abi_ulong reloc_count;  /* Number of relocation records */
 	abi_ulong flags;
 	abi_ulong build_date;   /* When the program/library was built */
-	abi_ulong filler[5];    /* Reservered, set to zero */
+	abi_ulong filler[5];    /* Reserved, set to zero */
 };
 
 #define FLAT_FLAG_RAM    0x0001 /* load program entirely into RAM */

linux-user/flatload.c

@@ -442,7 +442,7 @@ static int load_flat_file(struct linux_binprm * bprm,
     indx_len = (indx_len + 15) & ~(abi_ulong)15;
 
     /*
-     * Alloate the address space.
+     * Allocate the address space.
      */
     probe_guest_base(bprm->filename, 0,
                      text_len + data_len + extra + indx_len);
@@ -794,7 +794,7 @@ int load_flt_binary(struct linux_binprm *bprm, struct image_info *info)
 #error here
     for (i = MAX_SHARED_LIBS-1; i>0; i--) {
             if (libinfo[i].loaded) {
-                    /* Push previos first to call address */
+                    /* Push previous first to call address */
                     --sp;
                     if (put_user_ual(start_addr, sp))
                         return -EFAULT;

linux-user/host/ppc64/safe-syscall.inc.S

@@ -84,7 +84,7 @@ safe_syscall_end:
 
 	/* code path when we didn't execute the syscall */
 0:	addi	3, 0, -TARGET_ERESTARTSYS
-	ld 14, 16(1) /* restore r14 to its orginal value */
+	ld 14, 16(1) /* restore r14 to its original value */
 	blr
 	.cfi_endproc
 

linux-user/syscall.c

@@ -481,7 +481,7 @@ _syscall4(int, sys_prlimit64, pid_t, pid, int, resource,
 
 
 #if defined(TARGET_NR_timer_create)
-/* Maxiumum of 32 active POSIX timers allowed at any one time. */
+/* Maximum of 32 active POSIX timers allowed at any one time. */
 static timer_t g_posix_timers[32] = { 0, } ;
 
 static inline int next_free_host_timer(void)
@@ -8180,7 +8180,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
     switch(num) {
     case TARGET_NR_exit:
         /* In old applications this may be used to implement _exit(2).
-           However in threaded applictions it is used for thread termination,
+           However in threaded applications it is used for thread termination,
            and _exit_group is used for application termination.
            Do thread termination if we have more then one thread.  */