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-rw-r--r--arch/powerpc/kernel/vdso.c2
-rw-r--r--arch/x86/kernel/geode_32.c5
-rw-r--r--arch/x86/kernel/process_32.c1
-rw-r--r--arch/x86/kernel/process_64.c1
-rw-r--r--arch/x86/kernel/setup_32.c10
-rw-r--r--arch/x86/kernel/tsc_32.c18
-rw-r--r--drivers/ata/Kconfig10
-rw-r--r--drivers/ata/ahci.c23
-rw-r--r--drivers/ata/ata_piix.c7
-rw-r--r--drivers/ata/libata-core.c4
-rw-r--r--drivers/ata/libata-scsi.c16
-rw-r--r--drivers/ata/libata.h2
-rw-r--r--drivers/ata/sata_mv.c21
-rw-r--r--drivers/serial/bfin_5xx.c40
-rw-r--r--drivers/watchdog/hpwdt.c155
-rw-r--r--include/asm-blackfin/mach-bf527/bfin_serial_5xx.h2
-rw-r--r--include/asm-blackfin/mach-bf533/bfin_serial_5xx.h2
-rw-r--r--include/asm-blackfin/mach-bf537/bfin_serial_5xx.h2
-rw-r--r--include/asm-blackfin/mach-bf548/bfin_serial_5xx.h6
-rw-r--r--include/asm-blackfin/mach-bf561/bfin_serial_5xx.h2
-rw-r--r--include/asm-x86/geode.h4
-rw-r--r--include/asm-x86/page_32.h3
-rw-r--r--mm/memory.c17
-rw-r--r--mm/migrate.c10
24 files changed, 222 insertions, 141 deletions
diff --git a/arch/powerpc/kernel/vdso.c b/arch/powerpc/kernel/vdso.c
index c21a626af676..ce245a850db2 100644
--- a/arch/powerpc/kernel/vdso.c
+++ b/arch/powerpc/kernel/vdso.c
@@ -142,7 +142,7 @@ static void dump_one_vdso_page(struct page *pg, struct page *upg)
142 printk("kpg: %p (c:%d,f:%08lx)", __va(page_to_pfn(pg) << PAGE_SHIFT), 142 printk("kpg: %p (c:%d,f:%08lx)", __va(page_to_pfn(pg) << PAGE_SHIFT),
143 page_count(pg), 143 page_count(pg),
144 pg->flags); 144 pg->flags);
145 if (upg/* && pg != upg*/) { 145 if (upg && !IS_ERR(upg) /* && pg != upg*/) {
146 printk(" upg: %p (c:%d,f:%08lx)", __va(page_to_pfn(upg) 146 printk(" upg: %p (c:%d,f:%08lx)", __va(page_to_pfn(upg)
147 << PAGE_SHIFT), 147 << PAGE_SHIFT),
148 page_count(upg), 148 page_count(upg),
diff --git a/arch/x86/kernel/geode_32.c b/arch/x86/kernel/geode_32.c
index e8edd63ab000..9b08e852fd1a 100644
--- a/arch/x86/kernel/geode_32.c
+++ b/arch/x86/kernel/geode_32.c
@@ -166,6 +166,8 @@ int geode_has_vsa2(void)
166 static int has_vsa2 = -1; 166 static int has_vsa2 = -1;
167 167
168 if (has_vsa2 == -1) { 168 if (has_vsa2 == -1) {
169 u16 val;
170
169 /* 171 /*
170 * The VSA has virtual registers that we can query for a 172 * The VSA has virtual registers that we can query for a
171 * signature. 173 * signature.
@@ -173,7 +175,8 @@ int geode_has_vsa2(void)
173 outw(VSA_VR_UNLOCK, VSA_VRC_INDEX); 175 outw(VSA_VR_UNLOCK, VSA_VRC_INDEX);
174 outw(VSA_VR_SIGNATURE, VSA_VRC_INDEX); 176 outw(VSA_VR_SIGNATURE, VSA_VRC_INDEX);
175 177
176 has_vsa2 = (inw(VSA_VRC_DATA) == VSA_SIG); 178 val = inw(VSA_VRC_DATA);
179 has_vsa2 = (val == AMD_VSA_SIG || val == GSW_VSA_SIG);
177 } 180 }
178 181
179 return has_vsa2; 182 return has_vsa2;
diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c
index 6d5483356e74..e2db9ac5c61c 100644
--- a/arch/x86/kernel/process_32.c
+++ b/arch/x86/kernel/process_32.c
@@ -333,6 +333,7 @@ void flush_thread(void)
333 /* 333 /*
334 * Forget coprocessor state.. 334 * Forget coprocessor state..
335 */ 335 */
336 tsk->fpu_counter = 0;
336 clear_fpu(tsk); 337 clear_fpu(tsk);
337 clear_used_math(); 338 clear_used_math();
338} 339}
diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c
index ac54ff56df80..c6eb5c91e5f6 100644
--- a/arch/x86/kernel/process_64.c
+++ b/arch/x86/kernel/process_64.c
@@ -294,6 +294,7 @@ void flush_thread(void)
294 /* 294 /*
295 * Forget coprocessor state.. 295 * Forget coprocessor state..
296 */ 296 */
297 tsk->fpu_counter = 0;
297 clear_fpu(tsk); 298 clear_fpu(tsk);
298 clear_used_math(); 299 clear_used_math();
299} 300}
diff --git a/arch/x86/kernel/setup_32.c b/arch/x86/kernel/setup_32.c
index 2c5f8b213e86..5a2f8e063887 100644
--- a/arch/x86/kernel/setup_32.c
+++ b/arch/x86/kernel/setup_32.c
@@ -532,10 +532,16 @@ static void __init reserve_crashkernel(void)
532 (unsigned long)(crash_size >> 20), 532 (unsigned long)(crash_size >> 20),
533 (unsigned long)(crash_base >> 20), 533 (unsigned long)(crash_base >> 20),
534 (unsigned long)(total_mem >> 20)); 534 (unsigned long)(total_mem >> 20));
535
536 if (reserve_bootmem(crash_base, crash_size,
537 BOOTMEM_EXCLUSIVE) < 0) {
538 printk(KERN_INFO "crashkernel reservation "
539 "failed - memory is in use\n");
540 return;
541 }
542
535 crashk_res.start = crash_base; 543 crashk_res.start = crash_base;
536 crashk_res.end = crash_base + crash_size - 1; 544 crashk_res.end = crash_base + crash_size - 1;
537 reserve_bootmem(crash_base, crash_size,
538 BOOTMEM_DEFAULT);
539 } else 545 } else
540 printk(KERN_INFO "crashkernel reservation failed - " 546 printk(KERN_INFO "crashkernel reservation failed - "
541 "you have to specify a base address\n"); 547 "you have to specify a base address\n");
diff --git a/arch/x86/kernel/tsc_32.c b/arch/x86/kernel/tsc_32.c
index 068759db63dd..65b70637ad97 100644
--- a/arch/x86/kernel/tsc_32.c
+++ b/arch/x86/kernel/tsc_32.c
@@ -14,7 +14,10 @@
14 14
15#include "mach_timer.h" 15#include "mach_timer.h"
16 16
17static int tsc_disabled; 17/* native_sched_clock() is called before tsc_init(), so
18 we must start with the TSC soft disabled to prevent
19 erroneous rdtsc usage on !cpu_has_tsc processors */
20static int tsc_disabled = -1;
18 21
19/* 22/*
20 * On some systems the TSC frequency does not 23 * On some systems the TSC frequency does not
@@ -402,25 +405,20 @@ void __init tsc_init(void)
402{ 405{
403 int cpu; 406 int cpu;
404 407
405 if (!cpu_has_tsc || tsc_disabled) { 408 if (!cpu_has_tsc || tsc_disabled > 0)
406 /* Disable the TSC in case of !cpu_has_tsc */
407 tsc_disabled = 1;
408 return; 409 return;
409 }
410 410
411 cpu_khz = calculate_cpu_khz(); 411 cpu_khz = calculate_cpu_khz();
412 tsc_khz = cpu_khz; 412 tsc_khz = cpu_khz;
413 413
414 if (!cpu_khz) { 414 if (!cpu_khz) {
415 mark_tsc_unstable("could not calculate TSC khz"); 415 mark_tsc_unstable("could not calculate TSC khz");
416 /*
417 * We need to disable the TSC completely in this case
418 * to prevent sched_clock() from using it.
419 */
420 tsc_disabled = 1;
421 return; 416 return;
422 } 417 }
423 418
419 /* now allow native_sched_clock() to use rdtsc */
420 tsc_disabled = 0;
421
424 printk("Detected %lu.%03lu MHz processor.\n", 422 printk("Detected %lu.%03lu MHz processor.\n",
425 (unsigned long)cpu_khz / 1000, 423 (unsigned long)cpu_khz / 1000,
426 (unsigned long)cpu_khz % 1000); 424 (unsigned long)cpu_khz % 1000);
diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig
index 9bf2986a2788..ae8494944c45 100644
--- a/drivers/ata/Kconfig
+++ b/drivers/ata/Kconfig
@@ -651,9 +651,17 @@ config PATA_WINBOND_VLB
651 Support for the Winbond W83759A controller on Vesa Local Bus 651 Support for the Winbond W83759A controller on Vesa Local Bus
652 systems. 652 systems.
653 653
654config HAVE_PATA_PLATFORM
655 bool
656 help
657 This is an internal configuration node for any machine that
658 uses pata-platform driver to enable the relevant driver in the
659 configuration structure without having to submit endless patches
660 to update the PATA_PLATFORM entry.
661
654config PATA_PLATFORM 662config PATA_PLATFORM
655 tristate "Generic platform device PATA support" 663 tristate "Generic platform device PATA support"
656 depends on EMBEDDED || ARCH_RPC || PPC 664 depends on EMBEDDED || ARCH_RPC || PPC || HAVE_PATA_PLATFORM
657 help 665 help
658 This option enables support for generic directly connected ATA 666 This option enables support for generic directly connected ATA
659 devices commonly found on embedded systems. 667 devices commonly found on embedded systems.
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index 966ab401e523..6a4a2a25d97a 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -90,6 +90,7 @@ enum {
90 board_ahci_mv = 4, 90 board_ahci_mv = 4,
91 board_ahci_sb700 = 5, 91 board_ahci_sb700 = 5,
92 board_ahci_mcp65 = 6, 92 board_ahci_mcp65 = 6,
93 board_ahci_nopmp = 7,
93 94
94 /* global controller registers */ 95 /* global controller registers */
95 HOST_CAP = 0x00, /* host capabilities */ 96 HOST_CAP = 0x00, /* host capabilities */
@@ -401,6 +402,14 @@ static const struct ata_port_info ahci_port_info[] = {
401 .udma_mask = ATA_UDMA6, 402 .udma_mask = ATA_UDMA6,
402 .port_ops = &ahci_ops, 403 .port_ops = &ahci_ops,
403 }, 404 },
405 /* board_ahci_nopmp */
406 {
407 AHCI_HFLAGS (AHCI_HFLAG_NO_PMP),
408 .flags = AHCI_FLAG_COMMON,
409 .pio_mask = 0x1f, /* pio0-4 */
410 .udma_mask = ATA_UDMA6,
411 .port_ops = &ahci_ops,
412 },
404}; 413};
405 414
406static const struct pci_device_id ahci_pci_tbl[] = { 415static const struct pci_device_id ahci_pci_tbl[] = {
@@ -525,9 +534,9 @@ static const struct pci_device_id ahci_pci_tbl[] = {
525 { PCI_VDEVICE(NVIDIA, 0x0bc7), board_ahci }, /* MCP7B */ 534 { PCI_VDEVICE(NVIDIA, 0x0bc7), board_ahci }, /* MCP7B */
526 535
527 /* SiS */ 536 /* SiS */
528 { PCI_VDEVICE(SI, 0x1184), board_ahci }, /* SiS 966 */ 537 { PCI_VDEVICE(SI, 0x1184), board_ahci_nopmp }, /* SiS 966 */
529 { PCI_VDEVICE(SI, 0x1185), board_ahci }, /* SiS 966 */ 538 { PCI_VDEVICE(SI, 0x1185), board_ahci_nopmp }, /* SiS 968 */
530 { PCI_VDEVICE(SI, 0x0186), board_ahci }, /* SiS 968 */ 539 { PCI_VDEVICE(SI, 0x0186), board_ahci_nopmp }, /* SiS 968 */
531 540
532 /* Marvell */ 541 /* Marvell */
533 { PCI_VDEVICE(MARVELL, 0x6145), board_ahci_mv }, /* 6145 */ 542 { PCI_VDEVICE(MARVELL, 0x6145), board_ahci_mv }, /* 6145 */
@@ -653,6 +662,14 @@ static void ahci_save_initial_config(struct pci_dev *pdev,
653 cap &= ~HOST_CAP_PMP; 662 cap &= ~HOST_CAP_PMP;
654 } 663 }
655 664
665 if (pdev->vendor == PCI_VENDOR_ID_JMICRON && pdev->device == 0x2361 &&
666 port_map != 1) {
667 dev_printk(KERN_INFO, &pdev->dev,
668 "JMB361 has only one port, port_map 0x%x -> 0x%x\n",
669 port_map, 1);
670 port_map = 1;
671 }
672
656 /* 673 /*
657 * Temporary Marvell 6145 hack: PATA port presence 674 * Temporary Marvell 6145 hack: PATA port presence
658 * is asserted through the standard AHCI port 675 * is asserted through the standard AHCI port
diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c
index 81b7ae376951..a90ae03f56b2 100644
--- a/drivers/ata/ata_piix.c
+++ b/drivers/ata/ata_piix.c
@@ -1043,6 +1043,13 @@ static int piix_broken_suspend(void)
1043 }, 1043 },
1044 }, 1044 },
1045 { 1045 {
1046 .ident = "TECRA M4",
1047 .matches = {
1048 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
1049 DMI_MATCH(DMI_PRODUCT_NAME, "TECRA M4"),
1050 },
1051 },
1052 {
1046 .ident = "TECRA M5", 1053 .ident = "TECRA M5",
1047 .matches = { 1054 .matches = {
1048 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), 1055 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index cc816ca623d3..303fc0d2b978 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -4297,7 +4297,7 @@ void ata_sg_clean(struct ata_queued_cmd *qc)
4297} 4297}
4298 4298
4299/** 4299/**
4300 * ata_check_atapi_dma - Check whether ATAPI DMA can be supported 4300 * atapi_check_dma - Check whether ATAPI DMA can be supported
4301 * @qc: Metadata associated with taskfile to check 4301 * @qc: Metadata associated with taskfile to check
4302 * 4302 *
4303 * Allow low-level driver to filter ATA PACKET commands, returning 4303 * Allow low-level driver to filter ATA PACKET commands, returning
@@ -4310,7 +4310,7 @@ void ata_sg_clean(struct ata_queued_cmd *qc)
4310 * RETURNS: 0 when ATAPI DMA can be used 4310 * RETURNS: 0 when ATAPI DMA can be used
4311 * nonzero otherwise 4311 * nonzero otherwise
4312 */ 4312 */
4313int ata_check_atapi_dma(struct ata_queued_cmd *qc) 4313int atapi_check_dma(struct ata_queued_cmd *qc)
4314{ 4314{
4315 struct ata_port *ap = qc->ap; 4315 struct ata_port *ap = qc->ap;
4316 4316
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index 2e6e1622dc6d..57a43649a461 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -2343,8 +2343,8 @@ static unsigned int atapi_xlat(struct ata_queued_cmd *qc)
2343{ 2343{
2344 struct scsi_cmnd *scmd = qc->scsicmd; 2344 struct scsi_cmnd *scmd = qc->scsicmd;
2345 struct ata_device *dev = qc->dev; 2345 struct ata_device *dev = qc->dev;
2346 int using_pio = (dev->flags & ATA_DFLAG_PIO);
2347 int nodata = (scmd->sc_data_direction == DMA_NONE); 2346 int nodata = (scmd->sc_data_direction == DMA_NONE);
2347 int using_pio = !nodata && (dev->flags & ATA_DFLAG_PIO);
2348 unsigned int nbytes; 2348 unsigned int nbytes;
2349 2349
2350 memset(qc->cdb, 0, dev->cdb_len); 2350 memset(qc->cdb, 0, dev->cdb_len);
@@ -2362,7 +2362,7 @@ static unsigned int atapi_xlat(struct ata_queued_cmd *qc)
2362 ata_qc_set_pc_nbytes(qc); 2362 ata_qc_set_pc_nbytes(qc);
2363 2363
2364 /* check whether ATAPI DMA is safe */ 2364 /* check whether ATAPI DMA is safe */
2365 if (!using_pio && ata_check_atapi_dma(qc)) 2365 if (!nodata && !using_pio && atapi_check_dma(qc))
2366 using_pio = 1; 2366 using_pio = 1;
2367 2367
2368 /* Some controller variants snoop this value for Packet 2368 /* Some controller variants snoop this value for Packet
@@ -2402,13 +2402,11 @@ static unsigned int atapi_xlat(struct ata_queued_cmd *qc)
2402 qc->tf.lbam = (nbytes & 0xFF); 2402 qc->tf.lbam = (nbytes & 0xFF);
2403 qc->tf.lbah = (nbytes >> 8); 2403 qc->tf.lbah = (nbytes >> 8);
2404 2404
2405 if (using_pio || nodata) { 2405 if (nodata)
2406 /* no data, or PIO data xfer */ 2406 qc->tf.protocol = ATAPI_PROT_NODATA;
2407 if (nodata) 2407 else if (using_pio)
2408 qc->tf.protocol = ATAPI_PROT_NODATA; 2408 qc->tf.protocol = ATAPI_PROT_PIO;
2409 else 2409 else {
2410 qc->tf.protocol = ATAPI_PROT_PIO;
2411 } else {
2412 /* DMA data xfer */ 2410 /* DMA data xfer */
2413 qc->tf.protocol = ATAPI_PROT_DMA; 2411 qc->tf.protocol = ATAPI_PROT_DMA;
2414 qc->tf.feature |= ATAPI_PKT_DMA; 2412 qc->tf.feature |= ATAPI_PKT_DMA;
diff --git a/drivers/ata/libata.h b/drivers/ata/libata.h
index 4514283937ea..1cf803adbc95 100644
--- a/drivers/ata/libata.h
+++ b/drivers/ata/libata.h
@@ -106,7 +106,7 @@ extern void ata_sg_clean(struct ata_queued_cmd *qc);
106extern void ata_qc_free(struct ata_queued_cmd *qc); 106extern void ata_qc_free(struct ata_queued_cmd *qc);
107extern void ata_qc_issue(struct ata_queued_cmd *qc); 107extern void ata_qc_issue(struct ata_queued_cmd *qc);
108extern void __ata_qc_complete(struct ata_queued_cmd *qc); 108extern void __ata_qc_complete(struct ata_queued_cmd *qc);
109extern int ata_check_atapi_dma(struct ata_queued_cmd *qc); 109extern int atapi_check_dma(struct ata_queued_cmd *qc);
110extern void swap_buf_le16(u16 *buf, unsigned int buf_words); 110extern void swap_buf_le16(u16 *buf, unsigned int buf_words);
111extern void ata_dev_init(struct ata_device *dev); 111extern void ata_dev_init(struct ata_device *dev);
112extern void ata_link_init(struct ata_port *ap, struct ata_link *link, int pmp); 112extern void ata_link_init(struct ata_port *ap, struct ata_link *link, int pmp);
diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c
index 60391e9a84db..28092bc50146 100644
--- a/drivers/ata/sata_mv.c
+++ b/drivers/ata/sata_mv.c
@@ -1322,6 +1322,9 @@ static int mv_port_start(struct ata_port *ap)
1322 goto out_port_free_dma_mem; 1322 goto out_port_free_dma_mem;
1323 memset(pp->crpb, 0, MV_CRPB_Q_SZ); 1323 memset(pp->crpb, 0, MV_CRPB_Q_SZ);
1324 1324
1325 /* 6041/6081 Rev. "C0" (and newer) are okay with async notify */
1326 if (hpriv->hp_flags & MV_HP_ERRATA_60X1C0)
1327 ap->flags |= ATA_FLAG_AN;
1325 /* 1328 /*
1326 * For GEN_I, there's no NCQ, so we only allocate a single sg_tbl. 1329 * For GEN_I, there's no NCQ, so we only allocate a single sg_tbl.
1327 * For later hardware, we need one unique sg_tbl per NCQ tag. 1330 * For later hardware, we need one unique sg_tbl per NCQ tag.
@@ -1592,6 +1595,24 @@ static unsigned int mv_qc_issue(struct ata_queued_cmd *qc)
1592 1595
1593 if ((qc->tf.protocol != ATA_PROT_DMA) && 1596 if ((qc->tf.protocol != ATA_PROT_DMA) &&
1594 (qc->tf.protocol != ATA_PROT_NCQ)) { 1597 (qc->tf.protocol != ATA_PROT_NCQ)) {
1598 static int limit_warnings = 10;
1599 /*
1600 * Errata SATA#16, SATA#24: warn if multiple DRQs expected.
1601 *
1602 * Someday, we might implement special polling workarounds
1603 * for these, but it all seems rather unnecessary since we
1604 * normally use only DMA for commands which transfer more
1605 * than a single block of data.
1606 *
1607 * Much of the time, this could just work regardless.
1608 * So for now, just log the incident, and allow the attempt.
1609 */
1610 if (limit_warnings && (qc->nbytes / qc->sect_size) > 1) {
1611 --limit_warnings;
1612 ata_link_printk(qc->dev->link, KERN_WARNING, DRV_NAME
1613 ": attempting PIO w/multiple DRQ: "
1614 "this may fail due to h/w errata\n");
1615 }
1595 /* 1616 /*
1596 * We're about to send a non-EDMA capable command to the 1617 * We're about to send a non-EDMA capable command to the
1597 * port. Turn off EDMA so there won't be problems accessing 1618 * port. Turn off EDMA so there won't be problems accessing
diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c
index f20952c43cb8..fd9bb777df28 100644
--- a/drivers/serial/bfin_5xx.c
+++ b/drivers/serial/bfin_5xx.c
@@ -49,6 +49,7 @@
49#define DMA_RX_YCOUNT (PAGE_SIZE / DMA_RX_XCOUNT) 49#define DMA_RX_YCOUNT (PAGE_SIZE / DMA_RX_XCOUNT)
50 50
51#define DMA_RX_FLUSH_JIFFIES (HZ / 50) 51#define DMA_RX_FLUSH_JIFFIES (HZ / 50)
52#define CTS_CHECK_JIFFIES (HZ / 50)
52 53
53#ifdef CONFIG_SERIAL_BFIN_DMA 54#ifdef CONFIG_SERIAL_BFIN_DMA
54static void bfin_serial_dma_tx_chars(struct bfin_serial_port *uart); 55static void bfin_serial_dma_tx_chars(struct bfin_serial_port *uart);
@@ -290,11 +291,6 @@ static void bfin_serial_tx_chars(struct bfin_serial_port *uart)
290{ 291{
291 struct circ_buf *xmit = &uart->port.info->xmit; 292 struct circ_buf *xmit = &uart->port.info->xmit;
292 293
293 if (uart->port.x_char) {
294 UART_PUT_CHAR(uart, uart->port.x_char);
295 uart->port.icount.tx++;
296 uart->port.x_char = 0;
297 }
298 /* 294 /*
299 * Check the modem control lines before 295 * Check the modem control lines before
300 * transmitting anything. 296 * transmitting anything.
@@ -306,6 +302,12 @@ static void bfin_serial_tx_chars(struct bfin_serial_port *uart)
306 return; 302 return;
307 } 303 }
308 304
305 if (uart->port.x_char) {
306 UART_PUT_CHAR(uart, uart->port.x_char);
307 uart->port.icount.tx++;
308 uart->port.x_char = 0;
309 }
310
309 while ((UART_GET_LSR(uart) & THRE) && xmit->tail != xmit->head) { 311 while ((UART_GET_LSR(uart) & THRE) && xmit->tail != xmit->head) {
310 UART_PUT_CHAR(uart, xmit->buf[xmit->tail]); 312 UART_PUT_CHAR(uart, xmit->buf[xmit->tail]);
311 xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1); 313 xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
@@ -345,15 +347,6 @@ static irqreturn_t bfin_serial_tx_int(int irq, void *dev_id)
345} 347}
346#endif 348#endif
347 349
348#ifdef CONFIG_SERIAL_BFIN_CTSRTS
349static void bfin_serial_do_work(struct work_struct *work)
350{
351 struct bfin_serial_port *uart = container_of(work, struct bfin_serial_port, cts_workqueue);
352
353 bfin_serial_mctrl_check(uart);
354}
355#endif
356
357#ifdef CONFIG_SERIAL_BFIN_DMA 350#ifdef CONFIG_SERIAL_BFIN_DMA
358static void bfin_serial_dma_tx_chars(struct bfin_serial_port *uart) 351static void bfin_serial_dma_tx_chars(struct bfin_serial_port *uart)
359{ 352{
@@ -361,6 +354,12 @@ static void bfin_serial_dma_tx_chars(struct bfin_serial_port *uart)
361 354
362 uart->tx_done = 0; 355 uart->tx_done = 0;
363 356
357 /*
358 * Check the modem control lines before
359 * transmitting anything.
360 */
361 bfin_serial_mctrl_check(uart);
362
364 if (uart_circ_empty(xmit) || uart_tx_stopped(&uart->port)) { 363 if (uart_circ_empty(xmit) || uart_tx_stopped(&uart->port)) {
365 uart->tx_count = 0; 364 uart->tx_count = 0;
366 uart->tx_done = 1; 365 uart->tx_done = 1;
@@ -373,12 +372,6 @@ static void bfin_serial_dma_tx_chars(struct bfin_serial_port *uart)
373 uart->port.x_char = 0; 372 uart->port.x_char = 0;
374 } 373 }
375 374
376 /*
377 * Check the modem control lines before
378 * transmitting anything.
379 */
380 bfin_serial_mctrl_check(uart);
381
382 uart->tx_count = CIRC_CNT(xmit->head, xmit->tail, UART_XMIT_SIZE); 375 uart->tx_count = CIRC_CNT(xmit->head, xmit->tail, UART_XMIT_SIZE);
383 if (uart->tx_count > (UART_XMIT_SIZE - xmit->tail)) 376 if (uart->tx_count > (UART_XMIT_SIZE - xmit->tail))
384 uart->tx_count = UART_XMIT_SIZE - xmit->tail; 377 uart->tx_count = UART_XMIT_SIZE - xmit->tail;
@@ -565,7 +558,10 @@ static void bfin_serial_mctrl_check(struct bfin_serial_port *uart)
565 uart_handle_cts_change(&uart->port, status & TIOCM_CTS); 558 uart_handle_cts_change(&uart->port, status & TIOCM_CTS);
566 if (!(status & TIOCM_CTS)) { 559 if (!(status & TIOCM_CTS)) {
567 tty->hw_stopped = 1; 560 tty->hw_stopped = 1;
568 schedule_work(&uart->cts_workqueue); 561 uart->cts_timer.data = (unsigned long)(uart);
562 uart->cts_timer.function = (void *)bfin_serial_mctrl_check;
563 uart->cts_timer.expires = jiffies + CTS_CHECK_JIFFIES;
564 add_timer(&(uart->cts_timer));
569 } else { 565 } else {
570 tty->hw_stopped = 0; 566 tty->hw_stopped = 0;
571 } 567 }
@@ -885,7 +881,7 @@ static void __init bfin_serial_init_ports(void)
885 init_timer(&(bfin_serial_ports[i].rx_dma_timer)); 881 init_timer(&(bfin_serial_ports[i].rx_dma_timer));
886#endif 882#endif
887#ifdef CONFIG_SERIAL_BFIN_CTSRTS 883#ifdef CONFIG_SERIAL_BFIN_CTSRTS
888 INIT_WORK(&bfin_serial_ports[i].cts_workqueue, bfin_serial_do_work); 884 init_timer(&(bfin_serial_ports[i].cts_timer));
889 bfin_serial_ports[i].cts_pin = 885 bfin_serial_ports[i].cts_pin =
890 bfin_serial_resource[i].uart_cts_pin; 886 bfin_serial_resource[i].uart_cts_pin;
891 bfin_serial_ports[i].rts_pin = 887 bfin_serial_ports[i].rts_pin =
diff --git a/drivers/watchdog/hpwdt.c b/drivers/watchdog/hpwdt.c
index 2686f3eaeedf..eaa3f2a79ff5 100644
--- a/drivers/watchdog/hpwdt.c
+++ b/drivers/watchdog/hpwdt.c
@@ -140,49 +140,53 @@ static struct pci_device_id hpwdt_devices[] = {
140}; 140};
141MODULE_DEVICE_TABLE(pci, hpwdt_devices); 141MODULE_DEVICE_TABLE(pci, hpwdt_devices);
142 142
143extern asmlinkage void asminline_call(struct cmn_registers *pi86Regs, unsigned long *pRomEntry);
144
143#ifndef CONFIG_X86_64 145#ifndef CONFIG_X86_64
144/* --32 Bit Bios------------------------------------------------------------ */ 146/* --32 Bit Bios------------------------------------------------------------ */
145 147
146#define HPWDT_ARCH 32 148#define HPWDT_ARCH 32
147 149
148asmlinkage void asminline_call(struct cmn_registers *pi86Regs, 150asm(".text \n\t"
149 unsigned long *pRomEntry) 151 ".align 4 \n"
150{ 152 "asminline_call: \n\t"
151 asm("pushl %ebp \n\t" 153 "pushl %ebp \n\t"
152 "movl %esp, %ebp \n\t" 154 "movl %esp, %ebp \n\t"
153 "pusha \n\t" 155 "pusha \n\t"
154 "pushf \n\t" 156 "pushf \n\t"
155 "push %es \n\t" 157 "push %es \n\t"
156 "push %ds \n\t" 158 "push %ds \n\t"
157 "pop %es \n\t" 159 "pop %es \n\t"
158 "movl 8(%ebp),%eax \n\t" 160 "movl 8(%ebp),%eax \n\t"
159 "movl 4(%eax),%ebx \n\t" 161 "movl 4(%eax),%ebx \n\t"
160 "movl 8(%eax),%ecx \n\t" 162 "movl 8(%eax),%ecx \n\t"
161 "movl 12(%eax),%edx \n\t" 163 "movl 12(%eax),%edx \n\t"
162 "movl 16(%eax),%esi \n\t" 164 "movl 16(%eax),%esi \n\t"
163 "movl 20(%eax),%edi \n\t" 165 "movl 20(%eax),%edi \n\t"
164 "movl (%eax),%eax \n\t" 166 "movl (%eax),%eax \n\t"
165 "push %cs \n\t" 167 "push %cs \n\t"
166 "call *12(%ebp) \n\t" 168 "call *12(%ebp) \n\t"
167 "pushf \n\t" 169 "pushf \n\t"
168 "pushl %eax \n\t" 170 "pushl %eax \n\t"
169 "movl 8(%ebp),%eax \n\t" 171 "movl 8(%ebp),%eax \n\t"
170 "movl %ebx,4(%eax) \n\t" 172 "movl %ebx,4(%eax) \n\t"
171 "movl %ecx,8(%eax) \n\t" 173 "movl %ecx,8(%eax) \n\t"
172 "movl %edx,12(%eax) \n\t" 174 "movl %edx,12(%eax) \n\t"
173 "movl %esi,16(%eax) \n\t" 175 "movl %esi,16(%eax) \n\t"
174 "movl %edi,20(%eax) \n\t" 176 "movl %edi,20(%eax) \n\t"
175 "movw %ds,24(%eax) \n\t" 177 "movw %ds,24(%eax) \n\t"
176 "movw %es,26(%eax) \n\t" 178 "movw %es,26(%eax) \n\t"
177 "popl %ebx \n\t" 179 "popl %ebx \n\t"
178 "movl %ebx,(%eax) \n\t" 180 "movl %ebx,(%eax) \n\t"
179 "popl %ebx \n\t" 181 "popl %ebx \n\t"
180 "movl %ebx,28(%eax) \n\t" 182 "movl %ebx,28(%eax) \n\t"
181 "pop %es \n\t" 183 "pop %es \n\t"
182 "popf \n\t" 184 "popf \n\t"
183 "popa \n\t" 185 "popa \n\t"
184 "leave \n\t" "ret"); 186 "leave \n\t"
185} 187 "ret \n\t"
188 ".previous");
189
186 190
187/* 191/*
188 * cru_detect 192 * cru_detect
@@ -333,43 +337,44 @@ static int __devinit detect_cru_service(void)
333 337
334#define HPWDT_ARCH 64 338#define HPWDT_ARCH 64
335 339
336asmlinkage void asminline_call(struct cmn_registers *pi86Regs, 340asm(".text \n\t"
337 unsigned long *pRomEntry) 341 ".align 4 \n"
338{ 342 "asminline_call: \n\t"
339 asm("pushq %rbp \n\t" 343 "pushq %rbp \n\t"
340 "movq %rsp, %rbp \n\t" 344 "movq %rsp, %rbp \n\t"
341 "pushq %rax \n\t" 345 "pushq %rax \n\t"
342 "pushq %rbx \n\t" 346 "pushq %rbx \n\t"
343 "pushq %rdx \n\t" 347 "pushq %rdx \n\t"
344 "pushq %r12 \n\t" 348 "pushq %r12 \n\t"
345 "pushq %r9 \n\t" 349 "pushq %r9 \n\t"
346 "movq %rsi, %r12 \n\t" 350 "movq %rsi, %r12 \n\t"
347 "movq %rdi, %r9 \n\t" 351 "movq %rdi, %r9 \n\t"
348 "movl 4(%r9),%ebx \n\t" 352 "movl 4(%r9),%ebx \n\t"
349 "movl 8(%r9),%ecx \n\t" 353 "movl 8(%r9),%ecx \n\t"
350 "movl 12(%r9),%edx \n\t" 354 "movl 12(%r9),%edx \n\t"
351 "movl 16(%r9),%esi \n\t" 355 "movl 16(%r9),%esi \n\t"
352 "movl 20(%r9),%edi \n\t" 356 "movl 20(%r9),%edi \n\t"
353 "movl (%r9),%eax \n\t" 357 "movl (%r9),%eax \n\t"
354 "call *%r12 \n\t" 358 "call *%r12 \n\t"
355 "pushfq \n\t" 359 "pushfq \n\t"
356 "popq %r12 \n\t" 360 "popq %r12 \n\t"
357 "popfq \n\t" 361 "popfq \n\t"
358 "movl %eax, (%r9) \n\t" 362 "movl %eax, (%r9) \n\t"
359 "movl %ebx, 4(%r9) \n\t" 363 "movl %ebx, 4(%r9) \n\t"
360 "movl %ecx, 8(%r9) \n\t" 364 "movl %ecx, 8(%r9) \n\t"
361 "movl %edx, 12(%r9) \n\t" 365 "movl %edx, 12(%r9) \n\t"
362 "movl %esi, 16(%r9) \n\t" 366 "movl %esi, 16(%r9) \n\t"
363 "movl %edi, 20(%r9) \n\t" 367 "movl %edi, 20(%r9) \n\t"
364 "movq %r12, %rax \n\t" 368 "movq %r12, %rax \n\t"
365 "movl %eax, 28(%r9) \n\t" 369 "movl %eax, 28(%r9) \n\t"
366 "popq %r9 \n\t" 370 "popq %r9 \n\t"
367 "popq %r12 \n\t" 371 "popq %r12 \n\t"
368 "popq %rdx \n\t" 372 "popq %rdx \n\t"
369 "popq %rbx \n\t" 373 "popq %rbx \n\t"
370 "popq %rax \n\t" 374 "popq %rax \n\t"
371 "leave \n\t" "ret"); 375 "leave \n\t"
372} 376 "ret \n\t"
377 ".previous");
373 378
374/* 379/*
375 * dmi_find_cru 380 * dmi_find_cru
diff --git a/include/asm-blackfin/mach-bf527/bfin_serial_5xx.h b/include/asm-blackfin/mach-bf527/bfin_serial_5xx.h
index 96bd09e31e36..2526b6ed6faa 100644
--- a/include/asm-blackfin/mach-bf527/bfin_serial_5xx.h
+++ b/include/asm-blackfin/mach-bf527/bfin_serial_5xx.h
@@ -96,7 +96,7 @@ struct bfin_serial_port {
96 struct work_struct tx_dma_workqueue; 96 struct work_struct tx_dma_workqueue;
97#endif 97#endif
98#ifdef CONFIG_SERIAL_BFIN_CTSRTS 98#ifdef CONFIG_SERIAL_BFIN_CTSRTS
99 struct work_struct cts_workqueue; 99 struct timer_list cts_timer;
100 int cts_pin; 100 int cts_pin;
101 int rts_pin; 101 int rts_pin;
102#endif 102#endif
diff --git a/include/asm-blackfin/mach-bf533/bfin_serial_5xx.h b/include/asm-blackfin/mach-bf533/bfin_serial_5xx.h
index e924569ad1d8..ebf592b59aab 100644
--- a/include/asm-blackfin/mach-bf533/bfin_serial_5xx.h
+++ b/include/asm-blackfin/mach-bf533/bfin_serial_5xx.h
@@ -88,7 +88,7 @@ struct bfin_serial_port {
88# endif 88# endif
89#endif 89#endif
90#ifdef CONFIG_SERIAL_BFIN_CTSRTS 90#ifdef CONFIG_SERIAL_BFIN_CTSRTS
91 struct work_struct cts_workqueue; 91 struct timer_list cts_timer;
92 int cts_pin; 92 int cts_pin;
93 int rts_pin; 93 int rts_pin;
94#endif 94#endif
diff --git a/include/asm-blackfin/mach-bf537/bfin_serial_5xx.h b/include/asm-blackfin/mach-bf537/bfin_serial_5xx.h
index 41d7b6490bb1..1bf56ffa22f9 100644
--- a/include/asm-blackfin/mach-bf537/bfin_serial_5xx.h
+++ b/include/asm-blackfin/mach-bf537/bfin_serial_5xx.h
@@ -96,7 +96,7 @@ struct bfin_serial_port {
96 struct work_struct tx_dma_workqueue; 96 struct work_struct tx_dma_workqueue;
97#endif 97#endif
98#ifdef CONFIG_SERIAL_BFIN_CTSRTS 98#ifdef CONFIG_SERIAL_BFIN_CTSRTS
99 struct work_struct cts_workqueue; 99 struct timer_list cts_timer;
100 int cts_pin; 100 int cts_pin;
101 int rts_pin; 101 int rts_pin;
102#endif 102#endif
diff --git a/include/asm-blackfin/mach-bf548/bfin_serial_5xx.h b/include/asm-blackfin/mach-bf548/bfin_serial_5xx.h
index 59b4ad4e5b4a..5e29446a8e03 100644
--- a/include/asm-blackfin/mach-bf548/bfin_serial_5xx.h
+++ b/include/asm-blackfin/mach-bf548/bfin_serial_5xx.h
@@ -99,7 +99,7 @@ struct bfin_serial_port {
99 struct work_struct tx_dma_workqueue; 99 struct work_struct tx_dma_workqueue;
100#endif 100#endif
101#ifdef CONFIG_SERIAL_BFIN_CTSRTS 101#ifdef CONFIG_SERIAL_BFIN_CTSRTS
102 struct work_struct cts_workqueue; 102 struct timer_list cts_timer;
103 int cts_pin; 103 int cts_pin;
104 int rts_pin; 104 int rts_pin;
105#endif 105#endif
@@ -187,7 +187,7 @@ static void bfin_serial_hw_init(struct bfin_serial_port *uart)
187 187
188#ifdef CONFIG_BFIN_UART1_CTSRTS 188#ifdef CONFIG_BFIN_UART1_CTSRTS
189 peripheral_request(P_UART1_RTS, DRIVER_NAME); 189 peripheral_request(P_UART1_RTS, DRIVER_NAME);
190 peripheral_request(P_UART1_CTS DRIVER_NAME); 190 peripheral_request(P_UART1_CTS, DRIVER_NAME);
191#endif 191#endif
192#endif 192#endif
193 193
@@ -202,7 +202,7 @@ static void bfin_serial_hw_init(struct bfin_serial_port *uart)
202 202
203#ifdef CONFIG_BFIN_UART3_CTSRTS 203#ifdef CONFIG_BFIN_UART3_CTSRTS
204 peripheral_request(P_UART3_RTS, DRIVER_NAME); 204 peripheral_request(P_UART3_RTS, DRIVER_NAME);
205 peripheral_request(P_UART3_CTS DRIVER_NAME); 205 peripheral_request(P_UART3_CTS, DRIVER_NAME);
206#endif 206#endif
207#endif 207#endif
208 SSYNC(); 208 SSYNC();
diff --git a/include/asm-blackfin/mach-bf561/bfin_serial_5xx.h b/include/asm-blackfin/mach-bf561/bfin_serial_5xx.h
index 30d90b580f18..8aa02780e642 100644
--- a/include/asm-blackfin/mach-bf561/bfin_serial_5xx.h
+++ b/include/asm-blackfin/mach-bf561/bfin_serial_5xx.h
@@ -88,7 +88,7 @@ struct bfin_serial_port {
88# endif 88# endif
89#endif 89#endif
90#ifdef CONFIG_SERIAL_BFIN_CTSRTS 90#ifdef CONFIG_SERIAL_BFIN_CTSRTS
91 struct work_struct cts_workqueue; 91 struct timer_list cts_timer;
92 int cts_pin; 92 int cts_pin;
93 int rts_pin; 93 int rts_pin;
94#endif 94#endif
diff --git a/include/asm-x86/geode.h b/include/asm-x86/geode.h
index 6e6458853a36..bb06027fc83e 100644
--- a/include/asm-x86/geode.h
+++ b/include/asm-x86/geode.h
@@ -112,8 +112,8 @@ extern int geode_get_dev_base(unsigned int dev);
112#define VSA_VR_UNLOCK 0xFC53 /* unlock virtual register */ 112#define VSA_VR_UNLOCK 0xFC53 /* unlock virtual register */
113#define VSA_VR_SIGNATURE 0x0003 113#define VSA_VR_SIGNATURE 0x0003
114#define VSA_VR_MEM_SIZE 0x0200 114#define VSA_VR_MEM_SIZE 0x0200
115#define VSA_SIG 0x4132 /* signature is ascii 'VSA2' */ 115#define AMD_VSA_SIG 0x4132 /* signature is ascii 'VSA2' */
116 116#define GSW_VSA_SIG 0x534d /* General Software signature */
117/* GPIO */ 117/* GPIO */
118 118
119#define GPIO_OUTPUT_VAL 0x00 119#define GPIO_OUTPUT_VAL 0x00
diff --git a/include/asm-x86/page_32.h b/include/asm-x86/page_32.h
index 424e82f8ae27..ccf0ba3c3aba 100644
--- a/include/asm-x86/page_32.h
+++ b/include/asm-x86/page_32.h
@@ -14,7 +14,8 @@
14#define __PAGE_OFFSET _AC(CONFIG_PAGE_OFFSET, UL) 14#define __PAGE_OFFSET _AC(CONFIG_PAGE_OFFSET, UL)
15 15
16#ifdef CONFIG_X86_PAE 16#ifdef CONFIG_X86_PAE
17#define __PHYSICAL_MASK_SHIFT 36 17/* 44=32+12, the limit we can fit into an unsigned long pfn */
18#define __PHYSICAL_MASK_SHIFT 44
18#define __VIRTUAL_MASK_SHIFT 32 19#define __VIRTUAL_MASK_SHIFT 32
19#define PAGETABLE_LEVELS 3 20#define PAGETABLE_LEVELS 3
20 21
diff --git a/mm/memory.c b/mm/memory.c
index 19e0ae9beecb..9aefaae46858 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -999,17 +999,15 @@ struct page *follow_page(struct vm_area_struct *vma, unsigned long address,
999 goto no_page_table; 999 goto no_page_table;
1000 1000
1001 ptep = pte_offset_map_lock(mm, pmd, address, &ptl); 1001 ptep = pte_offset_map_lock(mm, pmd, address, &ptl);
1002 if (!ptep)
1003 goto out;
1004 1002
1005 pte = *ptep; 1003 pte = *ptep;
1006 if (!pte_present(pte)) 1004 if (!pte_present(pte))
1007 goto unlock; 1005 goto no_page;
1008 if ((flags & FOLL_WRITE) && !pte_write(pte)) 1006 if ((flags & FOLL_WRITE) && !pte_write(pte))
1009 goto unlock; 1007 goto unlock;
1010 page = vm_normal_page(vma, address, pte); 1008 page = vm_normal_page(vma, address, pte);
1011 if (unlikely(!page)) 1009 if (unlikely(!page))
1012 goto unlock; 1010 goto bad_page;
1013 1011
1014 if (flags & FOLL_GET) 1012 if (flags & FOLL_GET)
1015 get_page(page); 1013 get_page(page);
@@ -1024,6 +1022,15 @@ unlock:
1024out: 1022out:
1025 return page; 1023 return page;
1026 1024
1025bad_page:
1026 pte_unmap_unlock(ptep, ptl);
1027 return ERR_PTR(-EFAULT);
1028
1029no_page:
1030 pte_unmap_unlock(ptep, ptl);
1031 if (!pte_none(pte))
1032 return page;
1033 /* Fall through to ZERO_PAGE handling */
1027no_page_table: 1034no_page_table:
1028 /* 1035 /*
1029 * When core dumping an enormous anonymous area that nobody 1036 * When core dumping an enormous anonymous area that nobody
@@ -1159,6 +1166,8 @@ int get_user_pages(struct task_struct *tsk, struct mm_struct *mm,
1159 1166
1160 cond_resched(); 1167 cond_resched();
1161 } 1168 }
1169 if (IS_ERR(page))
1170 return i ? i : PTR_ERR(page);
1162 if (pages) { 1171 if (pages) {
1163 pages[i] = page; 1172 pages[i] = page;
1164 1173
diff --git a/mm/migrate.c b/mm/migrate.c
index 449d77d409f5..112bcaeaa104 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -865,6 +865,11 @@ static int do_move_pages(struct mm_struct *mm, struct page_to_node *pm,
865 goto set_status; 865 goto set_status;
866 866
867 page = follow_page(vma, pp->addr, FOLL_GET); 867 page = follow_page(vma, pp->addr, FOLL_GET);
868
869 err = PTR_ERR(page);
870 if (IS_ERR(page))
871 goto set_status;
872
868 err = -ENOENT; 873 err = -ENOENT;
869 if (!page) 874 if (!page)
870 goto set_status; 875 goto set_status;
@@ -928,6 +933,11 @@ static int do_pages_stat(struct mm_struct *mm, struct page_to_node *pm)
928 goto set_status; 933 goto set_status;
929 934
930 page = follow_page(vma, pm->addr, 0); 935 page = follow_page(vma, pm->addr, 0);
936
937 err = PTR_ERR(page);
938 if (IS_ERR(page))
939 goto set_status;
940
931 err = -ENOENT; 941 err = -ENOENT;
932 /* Use PageReserved to check for zero page */ 942 /* Use PageReserved to check for zero page */
933 if (!page || PageReserved(page)) 943 if (!page || PageReserved(page))
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-09 20:09:32 -0500