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1da177e4 LT |
1 | /* |
2 | * pSeries_lpar.c | |
3 | * Copyright (C) 2001 Todd Inglett, IBM Corporation | |
4 | * | |
5 | * pSeries LPAR support. | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
20 | */ | |
21 | ||
3c726f8d | 22 | #undef DEBUG_LOW |
1da177e4 LT |
23 | |
24 | #include <linux/config.h> | |
25 | #include <linux/kernel.h> | |
26 | #include <linux/dma-mapping.h> | |
27 | #include <asm/processor.h> | |
28 | #include <asm/mmu.h> | |
29 | #include <asm/page.h> | |
30 | #include <asm/pgtable.h> | |
31 | #include <asm/machdep.h> | |
32 | #include <asm/abs_addr.h> | |
33 | #include <asm/mmu_context.h> | |
1da177e4 LT |
34 | #include <asm/iommu.h> |
35 | #include <asm/tlbflush.h> | |
36 | #include <asm/tlb.h> | |
37 | #include <asm/prom.h> | |
38 | #include <asm/abs_addr.h> | |
39 | #include <asm/cputable.h> | |
dcad47fc | 40 | #include <asm/udbg.h> |
2249ca9d | 41 | #include <asm/smp.h> |
a1218720 ME |
42 | |
43 | #include "plpar_wrappers.h" | |
1da177e4 | 44 | |
3c726f8d BH |
45 | #ifdef DEBUG_LOW |
46 | #define DBG_LOW(fmt...) do { udbg_printf(fmt); } while(0) | |
1da177e4 | 47 | #else |
3c726f8d | 48 | #define DBG_LOW(fmt...) do { } while(0) |
1da177e4 LT |
49 | #endif |
50 | ||
51 | /* in pSeries_hvCall.S */ | |
52 | EXPORT_SYMBOL(plpar_hcall); | |
53 | EXPORT_SYMBOL(plpar_hcall_4out); | |
54 | EXPORT_SYMBOL(plpar_hcall_norets); | |
55 | EXPORT_SYMBOL(plpar_hcall_8arg_2ret); | |
56 | ||
1da177e4 LT |
57 | extern void pSeries_find_serial_port(void); |
58 | ||
59 | ||
60 | int vtermno; /* virtual terminal# for udbg */ | |
61 | ||
62 | #define __ALIGNED__ __attribute__((__aligned__(sizeof(long)))) | |
63 | static void udbg_hvsi_putc(unsigned char c) | |
64 | { | |
65 | /* packet's seqno isn't used anyways */ | |
66 | uint8_t packet[] __ALIGNED__ = { 0xff, 5, 0, 0, c }; | |
67 | int rc; | |
68 | ||
69 | if (c == '\n') | |
70 | udbg_hvsi_putc('\r'); | |
71 | ||
72 | do { | |
73 | rc = plpar_put_term_char(vtermno, sizeof(packet), packet); | |
74 | } while (rc == H_Busy); | |
75 | } | |
76 | ||
77 | static long hvsi_udbg_buf_len; | |
78 | static uint8_t hvsi_udbg_buf[256]; | |
79 | ||
80 | static int udbg_hvsi_getc_poll(void) | |
81 | { | |
82 | unsigned char ch; | |
83 | int rc, i; | |
84 | ||
85 | if (hvsi_udbg_buf_len == 0) { | |
86 | rc = plpar_get_term_char(vtermno, &hvsi_udbg_buf_len, hvsi_udbg_buf); | |
87 | if (rc != H_Success || hvsi_udbg_buf[0] != 0xff) { | |
88 | /* bad read or non-data packet */ | |
89 | hvsi_udbg_buf_len = 0; | |
90 | } else { | |
91 | /* remove the packet header */ | |
92 | for (i = 4; i < hvsi_udbg_buf_len; i++) | |
93 | hvsi_udbg_buf[i-4] = hvsi_udbg_buf[i]; | |
94 | hvsi_udbg_buf_len -= 4; | |
95 | } | |
96 | } | |
97 | ||
98 | if (hvsi_udbg_buf_len <= 0 || hvsi_udbg_buf_len > 256) { | |
99 | /* no data ready */ | |
100 | hvsi_udbg_buf_len = 0; | |
101 | return -1; | |
102 | } | |
103 | ||
104 | ch = hvsi_udbg_buf[0]; | |
105 | /* shift remaining data down */ | |
106 | for (i = 1; i < hvsi_udbg_buf_len; i++) { | |
107 | hvsi_udbg_buf[i-1] = hvsi_udbg_buf[i]; | |
108 | } | |
109 | hvsi_udbg_buf_len--; | |
110 | ||
111 | return ch; | |
112 | } | |
113 | ||
114 | static unsigned char udbg_hvsi_getc(void) | |
115 | { | |
116 | int ch; | |
117 | for (;;) { | |
118 | ch = udbg_hvsi_getc_poll(); | |
119 | if (ch == -1) { | |
120 | /* This shouldn't be needed...but... */ | |
121 | volatile unsigned long delay; | |
122 | for (delay=0; delay < 2000000; delay++) | |
123 | ; | |
124 | } else { | |
125 | return ch; | |
126 | } | |
127 | } | |
128 | } | |
129 | ||
130 | static void udbg_putcLP(unsigned char c) | |
131 | { | |
132 | char buf[16]; | |
133 | unsigned long rc; | |
134 | ||
135 | if (c == '\n') | |
136 | udbg_putcLP('\r'); | |
137 | ||
138 | buf[0] = c; | |
139 | do { | |
140 | rc = plpar_put_term_char(vtermno, 1, buf); | |
141 | } while(rc == H_Busy); | |
142 | } | |
143 | ||
144 | /* Buffered chars getc */ | |
145 | static long inbuflen; | |
146 | static long inbuf[2]; /* must be 2 longs */ | |
147 | ||
148 | static int udbg_getc_pollLP(void) | |
149 | { | |
150 | /* The interface is tricky because it may return up to 16 chars. | |
151 | * We save them statically for future calls to udbg_getc(). | |
152 | */ | |
153 | char ch, *buf = (char *)inbuf; | |
154 | int i; | |
155 | long rc; | |
156 | if (inbuflen == 0) { | |
157 | /* get some more chars. */ | |
158 | inbuflen = 0; | |
159 | rc = plpar_get_term_char(vtermno, &inbuflen, buf); | |
160 | if (rc != H_Success) | |
161 | inbuflen = 0; /* otherwise inbuflen is garbage */ | |
162 | } | |
163 | if (inbuflen <= 0 || inbuflen > 16) { | |
164 | /* Catch error case as well as other oddities (corruption) */ | |
165 | inbuflen = 0; | |
166 | return -1; | |
167 | } | |
168 | ch = buf[0]; | |
169 | for (i = 1; i < inbuflen; i++) /* shuffle them down. */ | |
170 | buf[i-1] = buf[i]; | |
171 | inbuflen--; | |
172 | return ch; | |
173 | } | |
174 | ||
175 | static unsigned char udbg_getcLP(void) | |
176 | { | |
177 | int ch; | |
178 | for (;;) { | |
179 | ch = udbg_getc_pollLP(); | |
180 | if (ch == -1) { | |
181 | /* This shouldn't be needed...but... */ | |
182 | volatile unsigned long delay; | |
183 | for (delay=0; delay < 2000000; delay++) | |
184 | ; | |
185 | } else { | |
186 | return ch; | |
187 | } | |
188 | } | |
189 | } | |
190 | ||
191 | /* call this from early_init() for a working debug console on | |
192 | * vterm capable LPAR machines | |
193 | */ | |
194 | void udbg_init_debug_lpar(void) | |
195 | { | |
196 | vtermno = 0; | |
c8f1c8be MM |
197 | udbg_putc = udbg_putcLP; |
198 | udbg_getc = udbg_getcLP; | |
199 | udbg_getc_poll = udbg_getc_pollLP; | |
1da177e4 LT |
200 | } |
201 | ||
202 | /* returns 0 if couldn't find or use /chosen/stdout as console */ | |
203 | int find_udbg_vterm(void) | |
204 | { | |
205 | struct device_node *stdout_node; | |
206 | u32 *termno; | |
207 | char *name; | |
208 | int found = 0; | |
209 | ||
210 | /* find the boot console from /chosen/stdout */ | |
211 | if (!of_chosen) | |
212 | return 0; | |
213 | name = (char *)get_property(of_chosen, "linux,stdout-path", NULL); | |
214 | if (name == NULL) | |
215 | return 0; | |
216 | stdout_node = of_find_node_by_path(name); | |
217 | if (!stdout_node) | |
218 | return 0; | |
219 | ||
220 | /* now we have the stdout node; figure out what type of device it is. */ | |
221 | name = (char *)get_property(stdout_node, "name", NULL); | |
222 | if (!name) { | |
223 | printk(KERN_WARNING "stdout node missing 'name' property!\n"); | |
224 | goto out; | |
225 | } | |
226 | ||
227 | if (strncmp(name, "vty", 3) == 0) { | |
228 | if (device_is_compatible(stdout_node, "hvterm1")) { | |
229 | termno = (u32 *)get_property(stdout_node, "reg", NULL); | |
230 | if (termno) { | |
231 | vtermno = termno[0]; | |
c8f1c8be MM |
232 | udbg_putc = udbg_putcLP; |
233 | udbg_getc = udbg_getcLP; | |
234 | udbg_getc_poll = udbg_getc_pollLP; | |
1da177e4 LT |
235 | found = 1; |
236 | } | |
237 | } else if (device_is_compatible(stdout_node, "hvterm-protocol")) { | |
238 | termno = (u32 *)get_property(stdout_node, "reg", NULL); | |
239 | if (termno) { | |
240 | vtermno = termno[0]; | |
c8f1c8be MM |
241 | udbg_putc = udbg_hvsi_putc; |
242 | udbg_getc = udbg_hvsi_getc; | |
243 | udbg_getc_poll = udbg_hvsi_getc_poll; | |
1da177e4 LT |
244 | found = 1; |
245 | } | |
246 | } | |
247 | } else if (strncmp(name, "serial", 6)) { | |
248 | /* XXX fix ISA serial console */ | |
249 | printk(KERN_WARNING "serial stdout on LPAR ('%s')! " | |
250 | "can't print udbg messages\n", | |
251 | stdout_node->full_name); | |
252 | } else { | |
253 | printk(KERN_WARNING "don't know how to print to stdout '%s'\n", | |
254 | stdout_node->full_name); | |
255 | } | |
256 | ||
257 | out: | |
258 | of_node_put(stdout_node); | |
259 | return found; | |
260 | } | |
261 | ||
262 | void vpa_init(int cpu) | |
263 | { | |
264 | int hwcpu = get_hard_smp_processor_id(cpu); | |
40765d2b | 265 | unsigned long vpa = __pa(&paca[cpu].lppaca); |
1da177e4 | 266 | long ret; |
233ccd0d OJ |
267 | |
268 | if (cpu_has_feature(CPU_FTR_ALTIVEC)) | |
269 | paca[cpu].lppaca.vmxregs_in_use = 1; | |
270 | ||
40765d2b | 271 | ret = register_vpa(hwcpu, vpa); |
1da177e4 LT |
272 | |
273 | if (ret) | |
274 | printk(KERN_ERR "WARNING: vpa_init: VPA registration for " | |
275 | "cpu %d (hw %d) of area %lx returns %ld\n", | |
40765d2b | 276 | cpu, hwcpu, vpa, ret); |
1da177e4 LT |
277 | } |
278 | ||
279 | long pSeries_lpar_hpte_insert(unsigned long hpte_group, | |
3c726f8d BH |
280 | unsigned long va, unsigned long pa, |
281 | unsigned long rflags, unsigned long vflags, | |
282 | int psize) | |
1da177e4 | 283 | { |
1da177e4 LT |
284 | unsigned long lpar_rc; |
285 | unsigned long flags; | |
286 | unsigned long slot; | |
96e28449 | 287 | unsigned long hpte_v, hpte_r; |
1da177e4 LT |
288 | unsigned long dummy0, dummy1; |
289 | ||
3c726f8d BH |
290 | if (!(vflags & HPTE_V_BOLTED)) |
291 | DBG_LOW("hpte_insert(group=%lx, va=%016lx, pa=%016lx, " | |
292 | "rflags=%lx, vflags=%lx, psize=%d)\n", | |
293 | hpte_group, va, pa, rflags, vflags, psize); | |
294 | ||
295 | hpte_v = hpte_encode_v(va, psize) | vflags | HPTE_V_VALID; | |
296 | hpte_r = hpte_encode_r(pa, psize) | rflags; | |
297 | ||
298 | if (!(vflags & HPTE_V_BOLTED)) | |
299 | DBG_LOW(" hpte_v=%016lx, hpte_r=%016lx\n", hpte_v, hpte_r); | |
300 | ||
1da177e4 LT |
301 | /* Now fill in the actual HPTE */ |
302 | /* Set CEC cookie to 0 */ | |
303 | /* Zero page = 0 */ | |
304 | /* I-cache Invalidate = 0 */ | |
305 | /* I-cache synchronize = 0 */ | |
306 | /* Exact = 0 */ | |
307 | flags = 0; | |
308 | ||
3c726f8d | 309 | /* Make pHyp happy */ |
96e28449 DG |
310 | if (rflags & (_PAGE_GUARDED|_PAGE_NO_CACHE)) |
311 | hpte_r &= ~_PAGE_COHERENT; | |
1da177e4 | 312 | |
96e28449 DG |
313 | lpar_rc = plpar_hcall(H_ENTER, flags, hpte_group, hpte_v, |
314 | hpte_r, &slot, &dummy0, &dummy1); | |
3c726f8d BH |
315 | if (unlikely(lpar_rc == H_PTEG_Full)) { |
316 | if (!(vflags & HPTE_V_BOLTED)) | |
317 | DBG_LOW(" full\n"); | |
1da177e4 | 318 | return -1; |
3c726f8d | 319 | } |
1da177e4 LT |
320 | |
321 | /* | |
322 | * Since we try and ioremap PHBs we don't own, the pte insert | |
323 | * will fail. However we must catch the failure in hash_page | |
324 | * or we will loop forever, so return -2 in this case. | |
325 | */ | |
3c726f8d BH |
326 | if (unlikely(lpar_rc != H_Success)) { |
327 | if (!(vflags & HPTE_V_BOLTED)) | |
328 | DBG_LOW(" lpar err %d\n", lpar_rc); | |
1da177e4 | 329 | return -2; |
3c726f8d BH |
330 | } |
331 | if (!(vflags & HPTE_V_BOLTED)) | |
332 | DBG_LOW(" -> slot: %d\n", slot & 7); | |
1da177e4 LT |
333 | |
334 | /* Because of iSeries, we have to pass down the secondary | |
335 | * bucket bit here as well | |
336 | */ | |
96e28449 | 337 | return (slot & 7) | (!!(vflags & HPTE_V_SECONDARY) << 3); |
1da177e4 LT |
338 | } |
339 | ||
340 | static DEFINE_SPINLOCK(pSeries_lpar_tlbie_lock); | |
341 | ||
342 | static long pSeries_lpar_hpte_remove(unsigned long hpte_group) | |
343 | { | |
344 | unsigned long slot_offset; | |
345 | unsigned long lpar_rc; | |
346 | int i; | |
347 | unsigned long dummy1, dummy2; | |
348 | ||
349 | /* pick a random slot to start at */ | |
350 | slot_offset = mftb() & 0x7; | |
351 | ||
352 | for (i = 0; i < HPTES_PER_GROUP; i++) { | |
353 | ||
354 | /* don't remove a bolted entry */ | |
355 | lpar_rc = plpar_pte_remove(H_ANDCOND, hpte_group + slot_offset, | |
356 | (0x1UL << 4), &dummy1, &dummy2); | |
1da177e4 LT |
357 | if (lpar_rc == H_Success) |
358 | return i; | |
1da177e4 LT |
359 | BUG_ON(lpar_rc != H_Not_Found); |
360 | ||
361 | slot_offset++; | |
362 | slot_offset &= 0x7; | |
363 | } | |
364 | ||
365 | return -1; | |
366 | } | |
367 | ||
368 | static void pSeries_lpar_hptab_clear(void) | |
369 | { | |
370 | unsigned long size_bytes = 1UL << ppc64_pft_size; | |
371 | unsigned long hpte_count = size_bytes >> 4; | |
372 | unsigned long dummy1, dummy2; | |
373 | int i; | |
374 | ||
375 | /* TODO: Use bulk call */ | |
376 | for (i = 0; i < hpte_count; i++) | |
377 | plpar_pte_remove(0, i, 0, &dummy1, &dummy2); | |
378 | } | |
379 | ||
380 | /* | |
381 | * NOTE: for updatepp ops we are fortunate that the linux "newpp" bits and | |
382 | * the low 3 bits of flags happen to line up. So no transform is needed. | |
383 | * We can probably optimize here and assume the high bits of newpp are | |
384 | * already zero. For now I am paranoid. | |
385 | */ | |
3c726f8d BH |
386 | static long pSeries_lpar_hpte_updatepp(unsigned long slot, |
387 | unsigned long newpp, | |
388 | unsigned long va, | |
389 | int psize, int local) | |
1da177e4 LT |
390 | { |
391 | unsigned long lpar_rc; | |
392 | unsigned long flags = (newpp & 7) | H_AVPN; | |
3c726f8d | 393 | unsigned long want_v; |
1da177e4 | 394 | |
3c726f8d | 395 | want_v = hpte_encode_v(va, psize); |
1da177e4 | 396 | |
3c726f8d BH |
397 | DBG_LOW(" update: avpnv=%016lx, hash=%016lx, f=%x, psize: %d ... ", |
398 | want_v & HPTE_V_AVPN, slot, flags, psize); | |
1da177e4 | 399 | |
3c726f8d BH |
400 | lpar_rc = plpar_pte_protect(flags, slot, want_v & HPTE_V_AVPN); |
401 | ||
402 | if (lpar_rc == H_Not_Found) { | |
403 | DBG_LOW("not found !\n"); | |
1da177e4 | 404 | return -1; |
3c726f8d BH |
405 | } |
406 | ||
407 | DBG_LOW("ok\n"); | |
1da177e4 LT |
408 | |
409 | BUG_ON(lpar_rc != H_Success); | |
410 | ||
411 | return 0; | |
412 | } | |
413 | ||
414 | static unsigned long pSeries_lpar_hpte_getword0(unsigned long slot) | |
415 | { | |
416 | unsigned long dword0; | |
417 | unsigned long lpar_rc; | |
418 | unsigned long dummy_word1; | |
419 | unsigned long flags; | |
420 | ||
421 | /* Read 1 pte at a time */ | |
422 | /* Do not need RPN to logical page translation */ | |
423 | /* No cross CEC PFT access */ | |
424 | flags = 0; | |
425 | ||
426 | lpar_rc = plpar_pte_read(flags, slot, &dword0, &dummy_word1); | |
427 | ||
428 | BUG_ON(lpar_rc != H_Success); | |
429 | ||
430 | return dword0; | |
431 | } | |
432 | ||
3c726f8d | 433 | static long pSeries_lpar_hpte_find(unsigned long va, int psize) |
1da177e4 LT |
434 | { |
435 | unsigned long hash; | |
436 | unsigned long i, j; | |
437 | long slot; | |
3c726f8d | 438 | unsigned long want_v, hpte_v; |
1da177e4 | 439 | |
3c726f8d BH |
440 | hash = hpt_hash(va, mmu_psize_defs[psize].shift); |
441 | want_v = hpte_encode_v(va, psize); | |
1da177e4 LT |
442 | |
443 | for (j = 0; j < 2; j++) { | |
444 | slot = (hash & htab_hash_mask) * HPTES_PER_GROUP; | |
445 | for (i = 0; i < HPTES_PER_GROUP; i++) { | |
96e28449 | 446 | hpte_v = pSeries_lpar_hpte_getword0(slot); |
1da177e4 | 447 | |
3c726f8d | 448 | if (HPTE_V_COMPARE(hpte_v, want_v) |
96e28449 DG |
449 | && (hpte_v & HPTE_V_VALID) |
450 | && (!!(hpte_v & HPTE_V_SECONDARY) == j)) { | |
1da177e4 LT |
451 | /* HPTE matches */ |
452 | if (j) | |
453 | slot = -slot; | |
454 | return slot; | |
455 | } | |
456 | ++slot; | |
457 | } | |
458 | hash = ~hash; | |
459 | } | |
460 | ||
461 | return -1; | |
462 | } | |
463 | ||
464 | static void pSeries_lpar_hpte_updateboltedpp(unsigned long newpp, | |
3c726f8d BH |
465 | unsigned long ea, |
466 | int psize) | |
1da177e4 | 467 | { |
3c726f8d | 468 | unsigned long lpar_rc, slot, vsid, va, flags; |
1da177e4 LT |
469 | |
470 | vsid = get_kernel_vsid(ea); | |
471 | va = (vsid << 28) | (ea & 0x0fffffff); | |
1da177e4 | 472 | |
3c726f8d | 473 | slot = pSeries_lpar_hpte_find(va, psize); |
1da177e4 LT |
474 | BUG_ON(slot == -1); |
475 | ||
476 | flags = newpp & 7; | |
477 | lpar_rc = plpar_pte_protect(flags, slot, 0); | |
478 | ||
479 | BUG_ON(lpar_rc != H_Success); | |
480 | } | |
481 | ||
482 | static void pSeries_lpar_hpte_invalidate(unsigned long slot, unsigned long va, | |
3c726f8d | 483 | int psize, int local) |
1da177e4 | 484 | { |
3c726f8d | 485 | unsigned long want_v; |
1da177e4 LT |
486 | unsigned long lpar_rc; |
487 | unsigned long dummy1, dummy2; | |
488 | ||
3c726f8d BH |
489 | DBG_LOW(" inval : slot=%lx, va=%016lx, psize: %d, local: %d", |
490 | slot, va, psize, local); | |
1da177e4 | 491 | |
3c726f8d BH |
492 | want_v = hpte_encode_v(va, psize); |
493 | lpar_rc = plpar_pte_remove(H_AVPN, slot, want_v & HPTE_V_AVPN, | |
494 | &dummy1, &dummy2); | |
1da177e4 LT |
495 | if (lpar_rc == H_Not_Found) |
496 | return; | |
497 | ||
498 | BUG_ON(lpar_rc != H_Success); | |
499 | } | |
500 | ||
501 | /* | |
502 | * Take a spinlock around flushes to avoid bouncing the hypervisor tlbie | |
503 | * lock. | |
504 | */ | |
61b1a942 | 505 | void pSeries_lpar_flush_hash_range(unsigned long number, int local) |
1da177e4 LT |
506 | { |
507 | int i; | |
508 | unsigned long flags = 0; | |
509 | struct ppc64_tlb_batch *batch = &__get_cpu_var(ppc64_tlb_batch); | |
510 | int lock_tlbie = !cpu_has_feature(CPU_FTR_LOCKLESS_TLBIE); | |
511 | ||
512 | if (lock_tlbie) | |
513 | spin_lock_irqsave(&pSeries_lpar_tlbie_lock, flags); | |
514 | ||
515 | for (i = 0; i < number; i++) | |
3c726f8d BH |
516 | flush_hash_page(batch->vaddr[i], batch->pte[i], |
517 | batch->psize, local); | |
1da177e4 LT |
518 | |
519 | if (lock_tlbie) | |
520 | spin_unlock_irqrestore(&pSeries_lpar_tlbie_lock, flags); | |
521 | } | |
522 | ||
523 | void hpte_init_lpar(void) | |
524 | { | |
525 | ppc_md.hpte_invalidate = pSeries_lpar_hpte_invalidate; | |
526 | ppc_md.hpte_updatepp = pSeries_lpar_hpte_updatepp; | |
527 | ppc_md.hpte_updateboltedpp = pSeries_lpar_hpte_updateboltedpp; | |
528 | ppc_md.hpte_insert = pSeries_lpar_hpte_insert; | |
529 | ppc_md.hpte_remove = pSeries_lpar_hpte_remove; | |
530 | ppc_md.flush_hash_range = pSeries_lpar_flush_hash_range; | |
531 | ppc_md.hpte_clear_all = pSeries_lpar_hptab_clear; | |
532 | ||
533 | htab_finish_init(); | |
534 | } |