diff options
Diffstat (limited to 'arch/x86/kernel')
-rw-r--r-- | arch/x86/kernel/apic/apic_flat_64.c | 2 | ||||
-rw-r--r-- | arch/x86/kernel/head_64.S | 2 | ||||
-rw-r--r-- | arch/x86/kernel/pci-calgary_64.c | 2 | ||||
-rw-r--r-- | arch/x86/kernel/pci-dma.c | 2 | ||||
-rw-r--r-- | arch/x86/kernel/ptrace.c | 2 | ||||
-rw-r--r-- | arch/x86/kernel/sys_i386_32.c | 185 | ||||
-rw-r--r-- | arch/x86/kernel/sys_x86_64.c | 12 | ||||
-rw-r--r-- | arch/x86/kernel/syscall_table_32.S | 4 | ||||
-rw-r--r-- | arch/x86/kernel/tsc.c | 2 | ||||
-rw-r--r-- | arch/x86/kernel/vmiclock_32.c | 2 |
10 files changed, 9 insertions, 206 deletions
diff --git a/arch/x86/kernel/apic/apic_flat_64.c b/arch/x86/kernel/apic/apic_flat_64.c index e3c3d820c325..09d3b17ce0c2 100644 --- a/arch/x86/kernel/apic/apic_flat_64.c +++ b/arch/x86/kernel/apic/apic_flat_64.c | |||
@@ -223,7 +223,7 @@ struct apic apic_flat = { | |||
223 | }; | 223 | }; |
224 | 224 | ||
225 | /* | 225 | /* |
226 | * Physflat mode is used when there are more than 8 CPUs on a AMD system. | 226 | * Physflat mode is used when there are more than 8 CPUs on a system. |
227 | * We cannot use logical delivery in this case because the mask | 227 | * We cannot use logical delivery in this case because the mask |
228 | * overflows, so use physical mode. | 228 | * overflows, so use physical mode. |
229 | */ | 229 | */ |
diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S index 2d8b5035371c..3d1e6f16b7a6 100644 --- a/arch/x86/kernel/head_64.S +++ b/arch/x86/kernel/head_64.S | |||
@@ -27,7 +27,7 @@ | |||
27 | #define GET_CR2_INTO_RCX movq %cr2, %rcx | 27 | #define GET_CR2_INTO_RCX movq %cr2, %rcx |
28 | #endif | 28 | #endif |
29 | 29 | ||
30 | /* we are not able to switch in one step to the final KERNEL ADRESS SPACE | 30 | /* we are not able to switch in one step to the final KERNEL ADDRESS SPACE |
31 | * because we need identity-mapped pages. | 31 | * because we need identity-mapped pages. |
32 | * | 32 | * |
33 | */ | 33 | */ |
diff --git a/arch/x86/kernel/pci-calgary_64.c b/arch/x86/kernel/pci-calgary_64.c index 2bbde6078143..fb99f7edb341 100644 --- a/arch/x86/kernel/pci-calgary_64.c +++ b/arch/x86/kernel/pci-calgary_64.c | |||
@@ -1309,7 +1309,7 @@ static void calgary_init_bitmap_from_tce_table(struct iommu_table *tbl) | |||
1309 | /* | 1309 | /* |
1310 | * get_tce_space_from_tar(): | 1310 | * get_tce_space_from_tar(): |
1311 | * Function for kdump case. Get the tce tables from first kernel | 1311 | * Function for kdump case. Get the tce tables from first kernel |
1312 | * by reading the contents of the base adress register of calgary iommu | 1312 | * by reading the contents of the base address register of calgary iommu |
1313 | */ | 1313 | */ |
1314 | static void __init get_tce_space_from_tar(void) | 1314 | static void __init get_tce_space_from_tar(void) |
1315 | { | 1315 | { |
diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c index 1aa966c565f9..a4ac764a6880 100644 --- a/arch/x86/kernel/pci-dma.c +++ b/arch/x86/kernel/pci-dma.c | |||
@@ -38,7 +38,7 @@ int iommu_detected __read_mostly = 0; | |||
38 | * This variable becomes 1 if iommu=pt is passed on the kernel command line. | 38 | * This variable becomes 1 if iommu=pt is passed on the kernel command line. |
39 | * If this variable is 1, IOMMU implementations do no DMA translation for | 39 | * If this variable is 1, IOMMU implementations do no DMA translation for |
40 | * devices and allow every device to access to whole physical memory. This is | 40 | * devices and allow every device to access to whole physical memory. This is |
41 | * useful if a user want to use an IOMMU only for KVM device assignment to | 41 | * useful if a user wants to use an IOMMU only for KVM device assignment to |
42 | * guests and not for driver dma translation. | 42 | * guests and not for driver dma translation. |
43 | */ | 43 | */ |
44 | int iommu_pass_through __read_mostly; | 44 | int iommu_pass_through __read_mostly; |
diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c index 2d96aab82a48..a503b1fd04e5 100644 --- a/arch/x86/kernel/ptrace.c +++ b/arch/x86/kernel/ptrace.c | |||
@@ -581,7 +581,7 @@ ptrace_modify_breakpoint(struct perf_event *bp, int len, int type, | |||
581 | struct perf_event_attr attr; | 581 | struct perf_event_attr attr; |
582 | 582 | ||
583 | /* | 583 | /* |
584 | * We shoud have at least an inactive breakpoint at this | 584 | * We should have at least an inactive breakpoint at this |
585 | * slot. It means the user is writing dr7 without having | 585 | * slot. It means the user is writing dr7 without having |
586 | * written the address register first | 586 | * written the address register first |
587 | */ | 587 | */ |
diff --git a/arch/x86/kernel/sys_i386_32.c b/arch/x86/kernel/sys_i386_32.c index dee1ff7cba58..196552bb412c 100644 --- a/arch/x86/kernel/sys_i386_32.c +++ b/arch/x86/kernel/sys_i386_32.c | |||
@@ -25,191 +25,6 @@ | |||
25 | #include <asm/syscalls.h> | 25 | #include <asm/syscalls.h> |
26 | 26 | ||
27 | /* | 27 | /* |
28 | * Perform the select(nd, in, out, ex, tv) and mmap() system | ||
29 | * calls. Linux/i386 didn't use to be able to handle more than | ||
30 | * 4 system call parameters, so these system calls used a memory | ||
31 | * block for parameter passing.. | ||
32 | */ | ||
33 | |||
34 | struct mmap_arg_struct { | ||
35 | unsigned long addr; | ||
36 | unsigned long len; | ||
37 | unsigned long prot; | ||
38 | unsigned long flags; | ||
39 | unsigned long fd; | ||
40 | unsigned long offset; | ||
41 | }; | ||
42 | |||
43 | asmlinkage int old_mmap(struct mmap_arg_struct __user *arg) | ||
44 | { | ||
45 | struct mmap_arg_struct a; | ||
46 | int err = -EFAULT; | ||
47 | |||
48 | if (copy_from_user(&a, arg, sizeof(a))) | ||
49 | goto out; | ||
50 | |||
51 | err = -EINVAL; | ||
52 | if (a.offset & ~PAGE_MASK) | ||
53 | goto out; | ||
54 | |||
55 | err = sys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, | ||
56 | a.fd, a.offset >> PAGE_SHIFT); | ||
57 | out: | ||
58 | return err; | ||
59 | } | ||
60 | |||
61 | |||
62 | struct sel_arg_struct { | ||
63 | unsigned long n; | ||
64 | fd_set __user *inp, *outp, *exp; | ||
65 | struct timeval __user *tvp; | ||
66 | }; | ||
67 | |||
68 | asmlinkage int old_select(struct sel_arg_struct __user *arg) | ||
69 | { | ||
70 | struct sel_arg_struct a; | ||
71 | |||
72 | if (copy_from_user(&a, arg, sizeof(a))) | ||
73 | return -EFAULT; | ||
74 | /* sys_select() does the appropriate kernel locking */ | ||
75 | return sys_select(a.n, a.inp, a.outp, a.exp, a.tvp); | ||
76 | } | ||
77 | |||
78 | /* | ||
79 | * sys_ipc() is the de-multiplexer for the SysV IPC calls.. | ||
80 | * | ||
81 | * This is really horribly ugly. | ||
82 | */ | ||
83 | asmlinkage int sys_ipc(uint call, int first, int second, | ||
84 | int third, void __user *ptr, long fifth) | ||
85 | { | ||
86 | int version, ret; | ||
87 | |||
88 | version = call >> 16; /* hack for backward compatibility */ | ||
89 | call &= 0xffff; | ||
90 | |||
91 | switch (call) { | ||
92 | case SEMOP: | ||
93 | return sys_semtimedop(first, (struct sembuf __user *)ptr, second, NULL); | ||
94 | case SEMTIMEDOP: | ||
95 | return sys_semtimedop(first, (struct sembuf __user *)ptr, second, | ||
96 | (const struct timespec __user *)fifth); | ||
97 | |||
98 | case SEMGET: | ||
99 | return sys_semget(first, second, third); | ||
100 | case SEMCTL: { | ||
101 | union semun fourth; | ||
102 | if (!ptr) | ||
103 | return -EINVAL; | ||
104 | if (get_user(fourth.__pad, (void __user * __user *) ptr)) | ||
105 | return -EFAULT; | ||
106 | return sys_semctl(first, second, third, fourth); | ||
107 | } | ||
108 | |||
109 | case MSGSND: | ||
110 | return sys_msgsnd(first, (struct msgbuf __user *) ptr, | ||
111 | second, third); | ||
112 | case MSGRCV: | ||
113 | switch (version) { | ||
114 | case 0: { | ||
115 | struct ipc_kludge tmp; | ||
116 | if (!ptr) | ||
117 | return -EINVAL; | ||
118 | |||
119 | if (copy_from_user(&tmp, | ||
120 | (struct ipc_kludge __user *) ptr, | ||
121 | sizeof(tmp))) | ||
122 | return -EFAULT; | ||
123 | return sys_msgrcv(first, tmp.msgp, second, | ||
124 | tmp.msgtyp, third); | ||
125 | } | ||
126 | default: | ||
127 | return sys_msgrcv(first, | ||
128 | (struct msgbuf __user *) ptr, | ||
129 | second, fifth, third); | ||
130 | } | ||
131 | case MSGGET: | ||
132 | return sys_msgget((key_t) first, second); | ||
133 | case MSGCTL: | ||
134 | return sys_msgctl(first, second, (struct msqid_ds __user *) ptr); | ||
135 | |||
136 | case SHMAT: | ||
137 | switch (version) { | ||
138 | default: { | ||
139 | ulong raddr; | ||
140 | ret = do_shmat(first, (char __user *) ptr, second, &raddr); | ||
141 | if (ret) | ||
142 | return ret; | ||
143 | return put_user(raddr, (ulong __user *) third); | ||
144 | } | ||
145 | case 1: /* iBCS2 emulator entry point */ | ||
146 | if (!segment_eq(get_fs(), get_ds())) | ||
147 | return -EINVAL; | ||
148 | /* The "(ulong *) third" is valid _only_ because of the kernel segment thing */ | ||
149 | return do_shmat(first, (char __user *) ptr, second, (ulong *) third); | ||
150 | } | ||
151 | case SHMDT: | ||
152 | return sys_shmdt((char __user *)ptr); | ||
153 | case SHMGET: | ||
154 | return sys_shmget(first, second, third); | ||
155 | case SHMCTL: | ||
156 | return sys_shmctl(first, second, | ||
157 | (struct shmid_ds __user *) ptr); | ||
158 | default: | ||
159 | return -ENOSYS; | ||
160 | } | ||
161 | } | ||
162 | |||
163 | /* | ||
164 | * Old cruft | ||
165 | */ | ||
166 | asmlinkage int sys_uname(struct old_utsname __user *name) | ||
167 | { | ||
168 | int err; | ||
169 | if (!name) | ||
170 | return -EFAULT; | ||
171 | down_read(&uts_sem); | ||
172 | err = copy_to_user(name, utsname(), sizeof(*name)); | ||
173 | up_read(&uts_sem); | ||
174 | return err? -EFAULT:0; | ||
175 | } | ||
176 | |||
177 | asmlinkage int sys_olduname(struct oldold_utsname __user *name) | ||
178 | { | ||
179 | int error; | ||
180 | |||
181 | if (!name) | ||
182 | return -EFAULT; | ||
183 | if (!access_ok(VERIFY_WRITE, name, sizeof(struct oldold_utsname))) | ||
184 | return -EFAULT; | ||
185 | |||
186 | down_read(&uts_sem); | ||
187 | |||
188 | error = __copy_to_user(&name->sysname, &utsname()->sysname, | ||
189 | __OLD_UTS_LEN); | ||
190 | error |= __put_user(0, name->sysname + __OLD_UTS_LEN); | ||
191 | error |= __copy_to_user(&name->nodename, &utsname()->nodename, | ||
192 | __OLD_UTS_LEN); | ||
193 | error |= __put_user(0, name->nodename + __OLD_UTS_LEN); | ||
194 | error |= __copy_to_user(&name->release, &utsname()->release, | ||
195 | __OLD_UTS_LEN); | ||
196 | error |= __put_user(0, name->release + __OLD_UTS_LEN); | ||
197 | error |= __copy_to_user(&name->version, &utsname()->version, | ||
198 | __OLD_UTS_LEN); | ||
199 | error |= __put_user(0, name->version + __OLD_UTS_LEN); | ||
200 | error |= __copy_to_user(&name->machine, &utsname()->machine, | ||
201 | __OLD_UTS_LEN); | ||
202 | error |= __put_user(0, name->machine + __OLD_UTS_LEN); | ||
203 | |||
204 | up_read(&uts_sem); | ||
205 | |||
206 | error = error ? -EFAULT : 0; | ||
207 | |||
208 | return error; | ||
209 | } | ||
210 | |||
211 | |||
212 | /* | ||
213 | * Do a system call from kernel instead of calling sys_execve so we | 28 | * Do a system call from kernel instead of calling sys_execve so we |
214 | * end up with proper pt_regs. | 29 | * end up with proper pt_regs. |
215 | */ | 30 | */ |
diff --git a/arch/x86/kernel/sys_x86_64.c b/arch/x86/kernel/sys_x86_64.c index 8aa2057efd12..ff14a5044ce6 100644 --- a/arch/x86/kernel/sys_x86_64.c +++ b/arch/x86/kernel/sys_x86_64.c | |||
@@ -209,15 +209,3 @@ bottomup: | |||
209 | 209 | ||
210 | return addr; | 210 | return addr; |
211 | } | 211 | } |
212 | |||
213 | |||
214 | SYSCALL_DEFINE1(uname, struct new_utsname __user *, name) | ||
215 | { | ||
216 | int err; | ||
217 | down_read(&uts_sem); | ||
218 | err = copy_to_user(name, utsname(), sizeof(*name)); | ||
219 | up_read(&uts_sem); | ||
220 | if (personality(current->personality) == PER_LINUX32) | ||
221 | err |= copy_to_user(&name->machine, "i686", 5); | ||
222 | return err ? -EFAULT : 0; | ||
223 | } | ||
diff --git a/arch/x86/kernel/syscall_table_32.S b/arch/x86/kernel/syscall_table_32.S index 15228b5d3eb7..8b3729341216 100644 --- a/arch/x86/kernel/syscall_table_32.S +++ b/arch/x86/kernel/syscall_table_32.S | |||
@@ -81,7 +81,7 @@ ENTRY(sys_call_table) | |||
81 | .long sys_settimeofday | 81 | .long sys_settimeofday |
82 | .long sys_getgroups16 /* 80 */ | 82 | .long sys_getgroups16 /* 80 */ |
83 | .long sys_setgroups16 | 83 | .long sys_setgroups16 |
84 | .long old_select | 84 | .long sys_old_select |
85 | .long sys_symlink | 85 | .long sys_symlink |
86 | .long sys_lstat | 86 | .long sys_lstat |
87 | .long sys_readlink /* 85 */ | 87 | .long sys_readlink /* 85 */ |
@@ -89,7 +89,7 @@ ENTRY(sys_call_table) | |||
89 | .long sys_swapon | 89 | .long sys_swapon |
90 | .long sys_reboot | 90 | .long sys_reboot |
91 | .long sys_old_readdir | 91 | .long sys_old_readdir |
92 | .long old_mmap /* 90 */ | 92 | .long sys_old_mmap /* 90 */ |
93 | .long sys_munmap | 93 | .long sys_munmap |
94 | .long sys_truncate | 94 | .long sys_truncate |
95 | .long sys_ftruncate | 95 | .long sys_ftruncate |
diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c index 208a857c679f..9faf91ae1841 100644 --- a/arch/x86/kernel/tsc.c +++ b/arch/x86/kernel/tsc.c | |||
@@ -50,7 +50,7 @@ u64 native_sched_clock(void) | |||
50 | * unstable. We do this because unlike Time Of Day, | 50 | * unstable. We do this because unlike Time Of Day, |
51 | * the scheduler clock tolerates small errors and it's | 51 | * the scheduler clock tolerates small errors and it's |
52 | * very important for it to be as fast as the platform | 52 | * very important for it to be as fast as the platform |
53 | * can achive it. ) | 53 | * can achieve it. ) |
54 | */ | 54 | */ |
55 | if (unlikely(tsc_disabled)) { | 55 | if (unlikely(tsc_disabled)) { |
56 | /* No locking but a rare wrong value is not a big deal: */ | 56 | /* No locking but a rare wrong value is not a big deal: */ |
diff --git a/arch/x86/kernel/vmiclock_32.c b/arch/x86/kernel/vmiclock_32.c index 2f1ca5614292..5e1ff66ecd73 100644 --- a/arch/x86/kernel/vmiclock_32.c +++ b/arch/x86/kernel/vmiclock_32.c | |||
@@ -167,7 +167,7 @@ static int vmi_timer_next_event(unsigned long delta, | |||
167 | { | 167 | { |
168 | /* Unfortunately, set_next_event interface only passes relative | 168 | /* Unfortunately, set_next_event interface only passes relative |
169 | * expiry, but we want absolute expiry. It'd be better if were | 169 | * expiry, but we want absolute expiry. It'd be better if were |
170 | * were passed an aboslute expiry, since a bunch of time may | 170 | * were passed an absolute expiry, since a bunch of time may |
171 | * have been stolen between the time the delta is computed and | 171 | * have been stolen between the time the delta is computed and |
172 | * when we set the alarm below. */ | 172 | * when we set the alarm below. */ |
173 | cycle_t now = vmi_timer_ops.get_cycle_counter(vmi_counter(VMI_ONESHOT)); | 173 | cycle_t now = vmi_timer_ops.get_cycle_counter(vmi_counter(VMI_ONESHOT)); |