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-rw-r--r--drivers/char/pcmcia/synclink_cs.c26
-rw-r--r--drivers/fmc/fmc-chardev.c9
-rw-r--r--drivers/hv/channel_mgmt.c75
-rw-r--r--drivers/hv/hv_balloon.c4
-rw-r--r--drivers/hv/hv_kvp.c24
-rw-r--r--drivers/hv/hv_snapshot.c18
-rw-r--r--drivers/hv/hv_util.c21
-rw-r--r--drivers/misc/atmel-ssc.c8
-rw-r--r--drivers/misc/lkdtm.c63
-rw-r--r--drivers/misc/mei/amthif.c14
-rw-r--r--drivers/misc/mei/bus.c4
-rw-r--r--drivers/misc/mei/client.c15
-rw-r--r--drivers/misc/mei/client.h9
-rw-r--r--drivers/misc/mei/init.c11
-rw-r--r--drivers/misc/mei/main.c22
-rw-r--r--drivers/misc/sram.c3
-rw-r--r--drivers/uio/Kconfig7
-rw-r--r--drivers/uio/Makefile1
-rw-r--r--drivers/uio/uio_pdrv.c113
-rw-r--r--include/linux/hyperv.h10
-rw-r--r--tools/hv/hv_vss_daemon.c27
21 files changed, 261 insertions, 223 deletions
diff --git a/drivers/char/pcmcia/synclink_cs.c b/drivers/char/pcmcia/synclink_cs.c
index 5c5cc00ebb0..d39cca659a3 100644
--- a/drivers/char/pcmcia/synclink_cs.c
+++ b/drivers/char/pcmcia/synclink_cs.c
@@ -1182,14 +1182,14 @@ static irqreturn_t mgslpc_isr(int dummy, void *dev_id)
}
count++;
- if (gis & (BIT1 + BIT0)) {
+ if (gis & (BIT1 | BIT0)) {
isr = read_reg16(info, CHB + ISR);
if (isr & IRQ_DCD)
dcd_change(info, tty);
if (isr & IRQ_CTS)
cts_change(info, tty);
}
- if (gis & (BIT3 + BIT2))
+ if (gis & (BIT3 | BIT2))
{
isr = read_reg16(info, CHA + ISR);
if (isr & IRQ_TIMER) {
@@ -1210,7 +1210,7 @@ static irqreturn_t mgslpc_isr(int dummy, void *dev_id)
if (isr & IRQ_RXTIME) {
issue_command(info, CHA, CMD_RXFIFO_READ);
}
- if (isr & (IRQ_RXEOM + IRQ_RXFIFO)) {
+ if (isr & (IRQ_RXEOM | IRQ_RXFIFO)) {
if (info->params.mode == MGSL_MODE_HDLC)
rx_ready_hdlc(info, isr & IRQ_RXEOM);
else
@@ -3031,11 +3031,11 @@ static void loopback_enable(MGSLPC_INFO *info)
unsigned char val;
/* CCR1:02..00 CM[2..0] Clock Mode = 111 (clock mode 7) */
- val = read_reg(info, CHA + CCR1) | (BIT2 + BIT1 + BIT0);
+ val = read_reg(info, CHA + CCR1) | (BIT2 | BIT1 | BIT0);
write_reg(info, CHA + CCR1, val);
/* CCR2:04 SSEL Clock source select, 1=submode b */
- val = read_reg(info, CHA + CCR2) | (BIT4 + BIT5);
+ val = read_reg(info, CHA + CCR2) | (BIT4 | BIT5);
write_reg(info, CHA + CCR2, val);
/* set LinkSpeed if available, otherwise default to 2Mbps */
@@ -3125,10 +3125,10 @@ static void hdlc_mode(MGSLPC_INFO *info)
val |= BIT4;
break; // FM0
case HDLC_ENCODING_BIPHASE_MARK:
- val |= BIT4 + BIT2;
+ val |= BIT4 | BIT2;
break; // FM1
case HDLC_ENCODING_BIPHASE_LEVEL:
- val |= BIT4 + BIT3;
+ val |= BIT4 | BIT3;
break; // Manchester
}
write_reg(info, CHA + CCR0, val);
@@ -3185,7 +3185,7 @@ static void hdlc_mode(MGSLPC_INFO *info)
*/
val = 0x00;
if (info->params.crc_type == HDLC_CRC_NONE)
- val |= BIT2 + BIT1;
+ val |= BIT2 | BIT1;
if (info->params.preamble != HDLC_PREAMBLE_PATTERN_NONE)
val |= BIT5;
switch (info->params.preamble_length)
@@ -3197,7 +3197,7 @@ static void hdlc_mode(MGSLPC_INFO *info)
val |= BIT6;
break;
case HDLC_PREAMBLE_LENGTH_64BITS:
- val |= BIT7 + BIT6;
+ val |= BIT7 | BIT6;
break;
}
write_reg(info, CHA + CCR3, val);
@@ -3264,8 +3264,8 @@ static void hdlc_mode(MGSLPC_INFO *info)
clear_reg_bits(info, CHA + PVR, BIT3);
irq_enable(info, CHA,
- IRQ_RXEOM + IRQ_RXFIFO + IRQ_ALLSENT +
- IRQ_UNDERRUN + IRQ_TXFIFO);
+ IRQ_RXEOM | IRQ_RXFIFO | IRQ_ALLSENT |
+ IRQ_UNDERRUN | IRQ_TXFIFO);
issue_command(info, CHA, CMD_TXRESET + CMD_RXRESET);
wait_command_complete(info, CHA);
read_reg16(info, CHA + ISR); /* clear pending IRQs */
@@ -3582,8 +3582,8 @@ static void async_mode(MGSLPC_INFO *info)
} else
clear_reg_bits(info, CHA + PVR, BIT3);
irq_enable(info, CHA,
- IRQ_RXEOM + IRQ_RXFIFO + IRQ_BREAK_ON + IRQ_RXTIME +
- IRQ_ALLSENT + IRQ_TXFIFO);
+ IRQ_RXEOM | IRQ_RXFIFO | IRQ_BREAK_ON | IRQ_RXTIME |
+ IRQ_ALLSENT | IRQ_TXFIFO);
issue_command(info, CHA, CMD_TXRESET + CMD_RXRESET);
wait_command_complete(info, CHA);
read_reg16(info, CHA + ISR); /* clear pending IRQs */
diff --git a/drivers/fmc/fmc-chardev.c b/drivers/fmc/fmc-chardev.c
index cc031db2d2a..ace6ef24d15 100644
--- a/drivers/fmc/fmc-chardev.c
+++ b/drivers/fmc/fmc-chardev.c
@@ -143,18 +143,17 @@ static int fc_probe(struct fmc_device *fmc)
fc->misc.fops = &fc_fops;
fc->misc.name = kstrdup(dev_name(&fmc->dev), GFP_KERNEL);
- spin_lock(&fc_lock);
ret = misc_register(&fc->misc);
if (ret < 0)
- goto err_unlock;
+ goto out;
+ spin_lock(&fc_lock);
list_add(&fc->list, &fc_devices);
spin_unlock(&fc_lock);
dev_info(&fc->fmc->dev, "Created misc device \"%s\"\n",
fc->misc.name);
return 0;
-err_unlock:
- spin_unlock(&fc_lock);
+out:
kfree(fc->misc.name);
kfree(fc);
return ret;
@@ -174,10 +173,10 @@ static int fc_remove(struct fmc_device *fmc)
spin_lock(&fc_lock);
list_del(&fc->list);
+ spin_unlock(&fc_lock);
misc_deregister(&fc->misc);
kfree(fc->misc.name);
kfree(fc);
- spin_unlock(&fc_lock);
return 0;
}
diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c
index 0df75908200..12ec8c801b2 100644
--- a/drivers/hv/channel_mgmt.c
+++ b/drivers/hv/channel_mgmt.c
@@ -48,30 +48,39 @@ struct vmbus_channel_message_table_entry {
* @negop is of type &struct icmsg_negotiate.
* Set up and fill in default negotiate response message.
*
- * The max_fw_version specifies the maximum framework version that
- * we can support and max _srv_version specifies the maximum service
- * version we can support. A special value MAX_SRV_VER can be
- * specified to indicate that we can handle the maximum version
- * exposed by the host.
+ * The fw_version specifies the framework version that
+ * we can support and srv_version specifies the service
+ * version we can support.
*
* Mainly used by Hyper-V drivers.
*/
-void vmbus_prep_negotiate_resp(struct icmsg_hdr *icmsghdrp,
+bool vmbus_prep_negotiate_resp(struct icmsg_hdr *icmsghdrp,
struct icmsg_negotiate *negop, u8 *buf,
- int max_fw_version, int max_srv_version)
+ int fw_version, int srv_version)
{
- int icframe_vercnt;
- int icmsg_vercnt;
+ int icframe_major, icframe_minor;
+ int icmsg_major, icmsg_minor;
+ int fw_major, fw_minor;
+ int srv_major, srv_minor;
int i;
+ bool found_match = false;
icmsghdrp->icmsgsize = 0x10;
+ fw_major = (fw_version >> 16);
+ fw_minor = (fw_version & 0xFFFF);
+
+ srv_major = (srv_version >> 16);
+ srv_minor = (srv_version & 0xFFFF);
negop = (struct icmsg_negotiate *)&buf[
sizeof(struct vmbuspipe_hdr) +
sizeof(struct icmsg_hdr)];
- icframe_vercnt = negop->icframe_vercnt;
- icmsg_vercnt = negop->icmsg_vercnt;
+ icframe_major = negop->icframe_vercnt;
+ icframe_minor = 0;
+
+ icmsg_major = negop->icmsg_vercnt;
+ icmsg_minor = 0;
/*
* Select the framework version number we will
@@ -79,26 +88,48 @@ void vmbus_prep_negotiate_resp(struct icmsg_hdr *icmsghdrp,
*/
for (i = 0; i < negop->icframe_vercnt; i++) {
- if (negop->icversion_data[i].major <= max_fw_version)
- icframe_vercnt = negop->icversion_data[i].major;
+ if ((negop->icversion_data[i].major == fw_major) &&
+ (negop->icversion_data[i].minor == fw_minor)) {
+ icframe_major = negop->icversion_data[i].major;
+ icframe_minor = negop->icversion_data[i].minor;
+ found_match = true;
+ }
}
+ if (!found_match)
+ goto fw_error;
+
+ found_match = false;
+
for (i = negop->icframe_vercnt;
(i < negop->icframe_vercnt + negop->icmsg_vercnt); i++) {
- if (negop->icversion_data[i].major <= max_srv_version)
- icmsg_vercnt = negop->icversion_data[i].major;
+ if ((negop->icversion_data[i].major == srv_major) &&
+ (negop->icversion_data[i].minor == srv_minor)) {
+ icmsg_major = negop->icversion_data[i].major;
+ icmsg_minor = negop->icversion_data[i].minor;
+ found_match = true;
+ }
}
/*
- * Respond with the maximum framework and service
+ * Respond with the framework and service
* version numbers we can support.
*/
- negop->icframe_vercnt = 1;
- negop->icmsg_vercnt = 1;
- negop->icversion_data[0].major = icframe_vercnt;
- negop->icversion_data[0].minor = 0;
- negop->icversion_data[1].major = icmsg_vercnt;
- negop->icversion_data[1].minor = 0;
+
+fw_error:
+ if (!found_match) {
+ negop->icframe_vercnt = 0;
+ negop->icmsg_vercnt = 0;
+ } else {
+ negop->icframe_vercnt = 1;
+ negop->icmsg_vercnt = 1;
+ }
+
+ negop->icversion_data[0].major = icframe_major;
+ negop->icversion_data[0].minor = icframe_minor;
+ negop->icversion_data[1].major = icmsg_major;
+ negop->icversion_data[1].minor = icmsg_minor;
+ return found_match;
}
EXPORT_SYMBOL_GPL(vmbus_prep_negotiate_resp);
diff --git a/drivers/hv/hv_balloon.c b/drivers/hv/hv_balloon.c
index deb5c25305a..2d094cfdb1e 100644
--- a/drivers/hv/hv_balloon.c
+++ b/drivers/hv/hv_balloon.c
@@ -825,7 +825,6 @@ static void hot_add_req(struct work_struct *dummy)
memset(&resp, 0, sizeof(struct dm_hot_add_response));
resp.hdr.type = DM_MEM_HOT_ADD_RESPONSE;
resp.hdr.size = sizeof(struct dm_hot_add_response);
- resp.hdr.trans_id = atomic_inc_return(&trans_id);
#ifdef CONFIG_MEMORY_HOTPLUG
pg_start = dm->ha_wrk.ha_page_range.finfo.start_page;
@@ -887,6 +886,7 @@ static void hot_add_req(struct work_struct *dummy)
pr_info("Memory hot add failed\n");
dm->state = DM_INITIALIZED;
+ resp.hdr.trans_id = atomic_inc_return(&trans_id);
vmbus_sendpacket(dm->dev->channel, &resp,
sizeof(struct dm_hot_add_response),
(unsigned long)NULL,
@@ -1081,7 +1081,6 @@ static void balloon_up(struct work_struct *dummy)
bl_resp = (struct dm_balloon_response *)send_buffer;
memset(send_buffer, 0, PAGE_SIZE);
bl_resp->hdr.type = DM_BALLOON_RESPONSE;
- bl_resp->hdr.trans_id = atomic_inc_return(&trans_id);
bl_resp->hdr.size = sizeof(struct dm_balloon_response);
bl_resp->more_pages = 1;
@@ -1109,6 +1108,7 @@ static void balloon_up(struct work_struct *dummy)
*/
do {
+ bl_resp->hdr.trans_id = atomic_inc_return(&trans_id);
ret = vmbus_sendpacket(dm_device.dev->channel,
bl_resp,
bl_resp->hdr.size,
diff --git a/drivers/hv/hv_kvp.c b/drivers/hv/hv_kvp.c
index ed50e9e83c6..53127209a40 100644
--- a/drivers/hv/hv_kvp.c
+++ b/drivers/hv/hv_kvp.c
@@ -29,6 +29,16 @@
#include <linux/hyperv.h>
+/*
+ * Pre win8 version numbers used in ws2008 and ws 2008 r2 (win7)
+ */
+#define WIN7_SRV_MAJOR 3
+#define WIN7_SRV_MINOR 0
+#define WIN7_SRV_MAJOR_MINOR (WIN7_SRV_MAJOR << 16 | WIN7_SRV_MINOR)
+
+#define WIN8_SRV_MAJOR 4
+#define WIN8_SRV_MINOR 0
+#define WIN8_SRV_MAJOR_MINOR (WIN8_SRV_MAJOR << 16 | WIN8_SRV_MINOR)
/*
* Global state maintained for transaction that is being processed.
@@ -593,8 +603,19 @@ void hv_kvp_onchannelcallback(void *context)
sizeof(struct vmbuspipe_hdr)];
if (icmsghdrp->icmsgtype == ICMSGTYPE_NEGOTIATE) {
+ /*
+ * We start with win8 version and if the host cannot
+ * support that we use the previous version.
+ */
+ if (vmbus_prep_negotiate_resp(icmsghdrp, negop,
+ recv_buffer, UTIL_FW_MAJOR_MINOR,
+ WIN8_SRV_MAJOR_MINOR))
+ goto done;
+
vmbus_prep_negotiate_resp(icmsghdrp, negop,
- recv_buffer, MAX_SRV_VER, MAX_SRV_VER);
+ recv_buffer, UTIL_FW_MAJOR_MINOR,
+ WIN7_SRV_MAJOR_MINOR);
+
} else {
kvp_msg = (struct hv_kvp_msg *)&recv_buffer[
sizeof(struct vmbuspipe_hdr) +
@@ -626,6 +647,7 @@ void hv_kvp_onchannelcallback(void *context)
return;
}
+done:
icmsghdrp->icflags = ICMSGHDRFLAG_TRANSACTION
| ICMSGHDRFLAG_RESPONSE;
diff --git a/drivers/hv/hv_snapshot.c b/drivers/hv/hv_snapshot.c
index 8ad5653ce44..e4572f3f283 100644
--- a/drivers/hv/hv_snapshot.c
+++ b/drivers/hv/hv_snapshot.c
@@ -24,6 +24,10 @@
#include <linux/workqueue.h>
#include <linux/hyperv.h>
+#define VSS_MAJOR 5
+#define VSS_MINOR 0
+#define VSS_MAJOR_MINOR (VSS_MAJOR << 16 | VSS_MINOR)
+
/*
@@ -186,18 +190,8 @@ void hv_vss_onchannelcallback(void *context)
if (icmsghdrp->icmsgtype == ICMSGTYPE_NEGOTIATE) {
vmbus_prep_negotiate_resp(icmsghdrp, negop,
- recv_buffer, MAX_SRV_VER, MAX_SRV_VER);
- /*
- * We currently negotiate the highest number the
- * host has presented. If this version is not
- * atleast 5.0, reject.
- */
- negop = (struct icmsg_negotiate *)&recv_buffer[
- sizeof(struct vmbuspipe_hdr) +
- sizeof(struct icmsg_hdr)];
-
- if (negop->icversion_data[1].major < 5)
- negop->icframe_vercnt = 0;
+ recv_buffer, UTIL_FW_MAJOR_MINOR,
+ VSS_MAJOR_MINOR);
} else {
vss_msg = (struct hv_vss_msg *)&recv_buffer[
sizeof(struct vmbuspipe_hdr) +
diff --git a/drivers/hv/hv_util.c b/drivers/hv/hv_util.c
index 2f561c5dfe2..c16164d4a28 100644
--- a/drivers/hv/hv_util.c
+++ b/drivers/hv/hv_util.c
@@ -28,6 +28,18 @@
#include <linux/reboot.h>
#include <linux/hyperv.h>
+#define SHUTDOWN_MAJOR 3
+#define SHUTDOWN_MINOR 0
+#define SHUTDOWN_MAJOR_MINOR (SHUTDOWN_MAJOR << 16 | SHUTDOWN_MINOR)
+
+#define TIMESYNCH_MAJOR 3
+#define TIMESYNCH_MINOR 0
+#define TIMESYNCH_MAJOR_MINOR (TIMESYNCH_MAJOR << 16 | TIMESYNCH_MINOR)
+
+#define HEARTBEAT_MAJOR 3
+#define HEARTBEAT_MINOR 0
+#define HEARTBEAT_MAJOR_MINOR (HEARTBEAT_MAJOR << 16 | HEARTBEAT_MINOR)
+
static void shutdown_onchannelcallback(void *context);
static struct hv_util_service util_shutdown = {
.util_cb = shutdown_onchannelcallback,
@@ -87,7 +99,8 @@ static void shutdown_onchannelcallback(void *context)
if (icmsghdrp->icmsgtype == ICMSGTYPE_NEGOTIATE) {
vmbus_prep_negotiate_resp(icmsghdrp, negop,
- shut_txf_buf, MAX_SRV_VER, MAX_SRV_VER);
+ shut_txf_buf, UTIL_FW_MAJOR_MINOR,
+ SHUTDOWN_MAJOR_MINOR);
} else {
shutdown_msg =
(struct shutdown_msg_data *)&shut_txf_buf[
@@ -213,7 +226,8 @@ static void timesync_onchannelcallback(void *context)
if (icmsghdrp->icmsgtype == ICMSGTYPE_NEGOTIATE) {
vmbus_prep_negotiate_resp(icmsghdrp, NULL, time_txf_buf,
- MAX_SRV_VER, MAX_SRV_VER);
+ UTIL_FW_MAJOR_MINOR,
+ TIMESYNCH_MAJOR_MINOR);
} else {
timedatap = (struct ictimesync_data *)&time_txf_buf[
sizeof(struct vmbuspipe_hdr) +
@@ -253,7 +267,8 @@ static void heartbeat_onchannelcallback(void *context)
if (icmsghdrp->icmsgtype == ICMSGTYPE_NEGOTIATE) {
vmbus_prep_negotiate_resp(icmsghdrp, NULL,
- hbeat_txf_buf, MAX_SRV_VER, MAX_SRV_VER);
+ hbeat_txf_buf, UTIL_FW_MAJOR_MINOR,
+ HEARTBEAT_MAJOR_MINOR);
} else {
heartbeat_msg =
(struct heartbeat_msg_data *)&hbeat_txf_buf[
diff --git a/drivers/misc/atmel-ssc.c b/drivers/misc/atmel-ssc.c
index e068a76a5f6..5be808406ed 100644
--- a/drivers/misc/atmel-ssc.c
+++ b/drivers/misc/atmel-ssc.c
@@ -19,7 +19,6 @@
#include <linux/module.h>
#include <linux/of.h>
-#include <linux/pinctrl/consumer.h>
/* Serialize access to ssc_list and user count */
static DEFINE_SPINLOCK(user_lock);
@@ -137,13 +136,6 @@ static int ssc_probe(struct platform_device *pdev)
struct resource *regs;
struct ssc_device *ssc;
const struct atmel_ssc_platform_data *plat_dat;
- struct pinctrl *pinctrl;
-
- pinctrl = devm_pinctrl_get_select_default(&pdev->dev);
- if (IS_ERR(pinctrl)) {
- dev_err(&pdev->dev, "Failed to request pinctrl\n");
- return PTR_ERR(pinctrl);
- }
ssc = devm_kzalloc(&pdev->dev, sizeof(struct ssc_device), GFP_KERNEL);
if (!ssc) {
diff --git a/drivers/misc/lkdtm.c b/drivers/misc/lkdtm.c
index 08aad69c8da..2fc0586ce3b 100644
--- a/drivers/misc/lkdtm.c
+++ b/drivers/misc/lkdtm.c
@@ -43,6 +43,7 @@
#include <linux/slab.h>
#include <scsi/scsi_cmnd.h>
#include <linux/debugfs.h>
+#include <linux/vmalloc.h>
#ifdef CONFIG_IDE
#include <linux/ide.h>
@@ -50,6 +51,7 @@
#define DEFAULT_COUNT 10
#define REC_NUM_DEFAULT 10
+#define EXEC_SIZE 64
enum cname {
CN_INVALID,
@@ -68,6 +70,7 @@ enum ctype {
CT_NONE,
CT_PANIC,
CT_BUG,
+ CT_WARNING,
CT_EXCEPTION,
CT_LOOP,
CT_OVERFLOW,
@@ -77,7 +80,12 @@ enum ctype {
CT_WRITE_AFTER_FREE,
CT_SOFTLOCKUP,
CT_HARDLOCKUP,
+ CT_SPINLOCKUP,
CT_HUNG_TASK,
+ CT_EXEC_DATA,
+ CT_EXEC_STACK,
+ CT_EXEC_KMALLOC,
+ CT_EXEC_VMALLOC,
};
static char* cp_name[] = {
@@ -95,6 +103,7 @@ static char* cp_name[] = {
static char* cp_type[] = {
"PANIC",
"BUG",
+ "WARNING",
"EXCEPTION",
"LOOP",
"OVERFLOW",
@@ -104,7 +113,12 @@ static char* cp_type[] = {
"WRITE_AFTER_FREE",
"SOFTLOCKUP",
"HARDLOCKUP",
+ "SPINLOCKUP",
"HUNG_TASK",
+ "EXEC_DATA",
+ "EXEC_STACK",
+ "EXEC_KMALLOC",
+ "EXEC_VMALLOC",
};
static struct jprobe lkdtm;
@@ -121,6 +135,9 @@ static enum cname cpoint = CN_INVALID;
static enum ctype cptype = CT_NONE;
static int count = DEFAULT_COUNT;
static DEFINE_SPINLOCK(count_lock);
+static DEFINE_SPINLOCK(lock_me_up);
+
+static u8 data_area[EXEC_SIZE];
module_param(recur_count, int, 0644);
MODULE_PARM_DESC(recur_count, " Recursion level for the stack overflow test, "\
@@ -275,6 +292,19 @@ static int recursive_loop(int a)
return recursive_loop(a);
}
+static void do_nothing(void)
+{
+ return;
+}
+
+static void execute_location(void *dst)
+{
+ void (*func)(void) = dst;
+
+ memcpy(dst, do_nothing, EXEC_SIZE);
+ func();
+}
+
static void lkdtm_do_action(enum ctype which)
{
switch (which) {
@@ -284,6 +314,9 @@ static void lkdtm_do_action(enum ctype which)
case CT_BUG:
BUG();
break;
+ case CT_WARNING:
+ WARN_ON(1);
+ break;
case CT_EXCEPTION:
*((int *) 0) = 0;
break;
@@ -295,10 +328,10 @@ static void lkdtm_do_action(enum ctype which)
(void) recursive_loop(0);
break;
case CT_CORRUPT_STACK: {
- volatile u32 data[8];
- volatile u32 *p = data;
+ /* Make sure the compiler creates and uses an 8 char array. */
+ volatile char data[8];
- p[12] = 0x12345678;
+ memset((void *)data, 0, 64);
break;
}
case CT_UNALIGNED_LOAD_STORE_WRITE: {
@@ -340,10 +373,34 @@ static void lkdtm_do_action(enum ctype which)
for (;;)
cpu_relax();
break;
+ case CT_SPINLOCKUP:
+ /* Must be called twice to trigger. */
+ spin_lock(&lock_me_up);
+ break;
case CT_HUNG_TASK:
set_current_state(TASK_UNINTERRUPTIBLE);
schedule();
break;
+ case CT_EXEC_DATA:
+ execute_location(data_area);
+ break;
+ case CT_EXEC_STACK: {
+ u8 stack_area[EXEC_SIZE];
+ execute_location(stack_area);
+ break;
+ }
+ case CT_EXEC_KMALLOC: {
+ u32 *kmalloc_area = kmalloc(EXEC_SIZE, GFP_KERNEL);
+ execute_location(kmalloc_area);
+ kfree(kmalloc_area);
+ break;
+ }
+ case CT_EXEC_VMALLOC: {
+ u32 *vmalloc_area = vmalloc(EXEC_SIZE);
+ execute_location(vmalloc_area);
+ vfree(vmalloc_area);
+ break;
+ }
case CT_NONE:
default:
break;
diff --git a/drivers/misc/mei/amthif.c b/drivers/misc/mei/amthif.c
index 749452f8e2f..d0fdc134068 100644
--- a/drivers/misc/mei/amthif.c
+++ b/drivers/misc/mei/amthif.c
@@ -418,15 +418,23 @@ unsigned int mei_amthif_poll(struct mei_device *dev,
struct file *file, poll_table *wait)
{
unsigned int mask = 0;
- mutex_unlock(&dev->device_lock);
+
poll_wait(file, &dev->iamthif_cl.wait, wait);
+
mutex_lock(&dev->device_lock);
- if (dev->iamthif_state == MEI_IAMTHIF_READ_COMPLETE &&
- dev->iamthif_file_object == file) {
+ if (!mei_cl_is_connected(&dev->iamthif_cl)) {
+
+ mask = POLLERR;
+
+ } else if (dev->iamthif_state == MEI_IAMTHIF_READ_COMPLETE &&
+ dev->iamthif_file_object == file) {
+
mask |= (POLLIN | POLLRDNORM);
dev_dbg(&dev->pdev->dev, "run next amthif cb\n");
mei_amthif_run_next_cmd(dev);
}
+ mutex_unlock(&dev->device_lock);
+
return mask;
}
diff --git a/drivers/misc/mei/bus.c b/drivers/misc/mei/bus.c
index 9ecd49a7be1..a150a42ed4a 100644
--- a/drivers/misc/mei/bus.c
+++ b/drivers/misc/mei/bus.c
@@ -47,7 +47,7 @@ static int mei_cl_device_match(struct device *dev, struct device_driver *drv)
id = driver->id_table;
while (id->name[0]) {
- if (!strcmp(dev_name(dev), id->name))
+ if (!strncmp(dev_name(dev), id->name, sizeof(id->name)))
return 1;
id++;
@@ -71,7 +71,7 @@ static int mei_cl_device_probe(struct device *dev)
dev_dbg(dev, "Device probe\n");
- strncpy(id.name, dev_name(dev), MEI_CL_NAME_SIZE);
+ strncpy(id.name, dev_name(dev), sizeof(id.name));
return driver->probe(device, &id);
}
diff --git a/drivers/misc/mei/client.c b/drivers/misc/mei/client.c
index 21d3f5aa835..e0684b4d9a0 100644
--- a/drivers/misc/mei/client.c
+++ b/drivers/misc/mei/client.c
@@ -635,10 +635,7 @@ int mei_cl_read_start(struct mei_cl *cl, size_t length)
dev = cl->dev;
- if (cl->state != MEI_FILE_CONNECTED)
- return -ENODEV;
-
- if (dev->dev_state != MEI_DEV_ENABLED)
+ if (!mei_cl_is_connected(cl))
return -ENODEV;
if (cl->read_cb) {
@@ -892,18 +889,22 @@ void mei_cl_all_disconnect(struct mei_device *dev)
/**
- * mei_cl_all_read_wakeup - wake up all readings so they can be interrupted
+ * mei_cl_all_wakeup - wake up all readers and writers they can be interrupted
*
* @dev - mei device
*/
-void mei_cl_all_read_wakeup(struct mei_device *dev)
+void mei_cl_all_wakeup(struct mei_device *dev)
{
struct mei_cl *cl, *next;
list_for_each_entry_safe(cl, next, &dev->file_list, link) {
if (waitqueue_active(&cl->rx_wait)) {
- dev_dbg(&dev->pdev->dev, "Waking up client!\n");
+ dev_dbg(&dev->pdev->dev, "Waking up reading client!\n");
wake_up_interruptible(&cl->rx_wait);
}
+ if (waitqueue_active(&cl->tx_wait)) {
+ dev_dbg(&dev->pdev->dev, "Waking up writing client!\n");
+ wake_up_interruptible(&cl->tx_wait);
+ }
}
}
diff --git a/drivers/misc/mei/client.h b/drivers/misc/mei/client.h
index 26b157d8bad..9eb031e9207 100644
--- a/drivers/misc/mei/client.h
+++ b/drivers/misc/mei/client.h
@@ -84,6 +84,13 @@ int mei_cl_flow_ctrl_reduce(struct mei_cl *cl);
/*
* MEI input output function prototype
*/
+static inline bool mei_cl_is_connected(struct mei_cl *cl)
+{
+ return (cl->dev &&
+ cl->dev->dev_state == MEI_DEV_ENABLED &&
+ cl->state == MEI_FILE_CONNECTED);
+}
+
bool mei_cl_is_other_connecting(struct mei_cl *cl);
int mei_cl_disconnect(struct mei_cl *cl);
int mei_cl_connect(struct mei_cl *cl, struct file *file);
@@ -99,7 +106,7 @@ void mei_host_client_init(struct work_struct *work);
void mei_cl_all_disconnect(struct mei_device *dev);
-void mei_cl_all_read_wakeup(struct mei_device *dev);
+void mei_cl_all_wakeup(struct mei_device *dev);
void mei_cl_all_write_clear(struct mei_device *dev);
#endif /* _MEI_CLIENT_H_ */
diff --git a/drivers/misc/mei/init.c b/drivers/misc/mei/init.c
index e6f16f83ecd..92c73118b13 100644
--- a/drivers/misc/mei/init.c
+++ b/drivers/misc/mei/init.c
@@ -154,8 +154,14 @@ void mei_reset(struct mei_device *dev, int interrupts_enabled)
dev->dev_state != MEI_DEV_POWER_DOWN)
dev->dev_state = MEI_DEV_RESETTING;
+ /* remove all waiting requests */
+ mei_cl_all_write_clear(dev);
+
mei_cl_all_disconnect(dev);
+ /* wake up all readings so they can be interrupted */
+ mei_cl_all_wakeup(dev);
+
/* remove entry if already in list */
dev_dbg(&dev->pdev->dev, "remove iamthif and wd from the file list.\n");
mei_cl_unlink(&dev->wd_cl);
@@ -196,11 +202,6 @@ void mei_reset(struct mei_device *dev, int interrupts_enabled)
mei_hbm_start_req(dev);
- /* wake up all readings so they can be interrupted */
- mei_cl_all_read_wakeup(dev);
-
- /* remove all waiting requests */
- mei_cl_all_write_clear(dev);
}
EXPORT_SYMBOL_GPL(mei_reset);
diff --git a/drivers/misc/mei/main.c b/drivers/misc/mei/main.c
index 5e11b5b9b65..173ff095be0 100644
--- a/drivers/misc/mei/main.c
+++ b/drivers/misc/mei/main.c
@@ -625,24 +625,32 @@ static unsigned int mei_poll(struct file *file, poll_table *wait)
unsigned int mask = 0;
if (WARN_ON(!cl || !cl->dev))
- return mask;
+ return POLLERR;
dev = cl->dev;
mutex_lock(&dev->device_lock);
- if (dev->dev_state != MEI_DEV_ENABLED)
- goto out;
-
-
- if (cl == &dev->iamthif_cl) {
- mask = mei_amthif_poll(dev, file, wait);
+ if (!mei_cl_is_connected(cl)) {
+ mask = POLLERR;
goto out;
}
mutex_unlock(&dev->device_lock);
+
+
+ if (cl == &dev->iamthif_cl)
+ return mei_amthif_poll(dev, file, wait);
+
poll_wait(file, &cl->tx_wait, wait);
+
mutex_lock(&dev->device_lock);
+
+ if (!mei_cl_is_connected(cl)) {
+ mask = POLLERR;
+ goto out;
+ }
+
if (MEI_WRITE_COMPLETE == cl->writing_state)
mask |= (POLLIN | POLLRDNORM);
diff --git a/drivers/misc/sram.c b/drivers/misc/sram.c
index d87cc91bc01..afe66571ce0 100644
--- a/drivers/misc/sram.c
+++ b/drivers/misc/sram.c
@@ -68,7 +68,8 @@ static int sram_probe(struct platform_device *pdev)
ret = gen_pool_add_virt(sram->pool, (unsigned long)virt_base,
res->start, size, -1);
if (ret < 0) {
- gen_pool_destroy(sram->pool);
+ if (sram->clk)
+ clk_disable_unprepare(sram->clk);
return ret;
}
diff --git a/drivers/uio/Kconfig b/drivers/uio/Kconfig
index 5295be0342c..a81d16389a5 100644
--- a/drivers/uio/Kconfig
+++ b/drivers/uio/Kconfig
@@ -23,13 +23,6 @@ config UIO_CIF
To compile this driver as a module, choose M here: the module
will be called uio_cif.
-config UIO_PDRV
- tristate "Userspace I/O platform driver"
- help
- Generic platform driver for Userspace I/O devices.
-
- If you don't know what to do here, say N.
-
config UIO_PDRV_GENIRQ
tristate "Userspace I/O platform driver with generic IRQ handling"
help
diff --git a/drivers/uio/Makefile b/drivers/uio/Makefile
index b354c539507..ea015a29012 100644
--- a/drivers/uio/Makefile
+++ b/drivers/uio/Makefile
@@ -1,6 +1,5 @@
obj-$(CONFIG_UIO) += uio.o
obj-$(CONFIG_UIO_CIF) += uio_cif.o
-obj-$(CONFIG_UIO_PDRV) += uio_pdrv.o
obj-$(CONFIG_UIO_PDRV_GENIRQ) += uio_pdrv_genirq.o
obj-$(CONFIG_UIO_DMEM_GENIRQ) += uio_dmem_genirq.o
obj-$(CONFIG_UIO_AEC) += uio_aec.o
diff --git a/drivers/uio/uio_pdrv.c b/drivers/uio/uio_pdrv.c
deleted file mode 100644
index 39be9e06170..00000000000
--- a/drivers/uio/uio_pdrv.c
+++ /dev/null
@@ -1,113 +0,0 @@
-/*
- * drivers/uio/uio_pdrv.c
- *
- * Copyright (C) 2008 by Digi International Inc.
- * All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
- */
-#include <linux/platform_device.h>
-#include <linux/uio_driver.h>
-#include <linux/stringify.h>
-#include <linux/module.h>
-#include <linux/slab.h>
-
-#define DRIVER_NAME "uio_pdrv"
-
-struct uio_platdata {
- struct uio_info *uioinfo;
-};
-
-static int uio_pdrv_probe(struct platform_device *pdev)
-{
- struct uio_info *uioinfo = pdev->dev.platform_data;
- struct uio_platdata *pdata;
- struct uio_mem *uiomem;
- int ret = -ENODEV;
- int i;
-
- if (!uioinfo || !uioinfo->name || !uioinfo->version) {
- dev_dbg(&pdev->dev, "%s: err_uioinfo\n", __func__);
- goto err_uioinfo;
- }
-
- pdata = kzalloc(sizeof(*pdata), GFP_KERNEL);
- if (!pdata) {
- ret = -ENOMEM;
- dev_dbg(&pdev->dev, "%s: err_alloc_pdata\n", __func__);
- goto err_alloc_pdata;
- }
-
- pdata->uioinfo = uioinfo;
-
- uiomem = &uioinfo->mem[0];
-
- for (i = 0; i < pdev->num_resources; ++i) {
- struct resource *r = &pdev->resource[i];
-
- if (r->flags != IORESOURCE_MEM)
- continue;
-
- if (uiomem >= &uioinfo->mem[MAX_UIO_MAPS]) {
- dev_warn(&pdev->dev, "device has more than "
- __stringify(MAX_UIO_MAPS)
- " I/O memory resources.\n");
- break;
- }
-
- uiomem->memtype = UIO_MEM_PHYS;
- uiomem->addr = r->start;
- uiomem->size = resource_size(r);
- uiomem->name = r->name;
- ++uiomem;
- }
-
- while (uiomem < &uioinfo->mem[MAX_UIO_MAPS]) {
- uiomem->size = 0;
- ++uiomem;
- }
-
- pdata->uioinfo->priv = pdata;
-
- ret = uio_register_device(&pdev->dev, pdata->uioinfo);
-
- if (ret) {
- kfree(pdata);
-err_alloc_pdata:
-err_uioinfo:
- return ret;
- }
-
- platform_set_drvdata(pdev, pdata);
-
- return 0;
-}
-
-static int uio_pdrv_remove(struct platform_device *pdev)
-{
- struct uio_platdata *pdata = platform_get_drvdata(pdev);
-
- uio_unregister_device(pdata->uioinfo);
-
- kfree(pdata);
-
- return 0;
-}
-
-static struct platform_driver uio_pdrv = {
- .probe = uio_pdrv_probe,
- .remove = uio_pdrv_remove,
- .driver = {
- .name = DRIVER_NAME,
- .owner = THIS_MODULE,
- },
-};
-
-module_platform_driver(uio_pdrv);
-
-MODULE_AUTHOR("Uwe Kleine-Koenig");
-MODULE_DESCRIPTION("Userspace I/O platform driver");
-MODULE_LICENSE("GPL v2");
-MODULE_ALIAS("platform:" DRIVER_NAME);
diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h
index fae8bac907e..49949079cf4 100644
--- a/include/linux/hyperv.h
+++ b/include/linux/hyperv.h
@@ -27,6 +27,14 @@
#include <linux/types.h>
+/*
+ * Framework version for util services.
+ */
+
+#define UTIL_FW_MAJOR 3
+#define UTIL_FW_MINOR 0
+#define UTIL_FW_MAJOR_MINOR (UTIL_FW_MAJOR << 16 | UTIL_FW_MINOR)
+
/*
* Implementation of host controlled snapshot of the guest.
@@ -1494,7 +1502,7 @@ struct hyperv_service_callback {
};
#define MAX_SRV_VER 0x7ffffff
-extern void vmbus_prep_negotiate_resp(struct icmsg_hdr *,
+extern bool vmbus_prep_negotiate_resp(struct icmsg_hdr *,
struct icmsg_negotiate *, u8 *, int,
int);
diff --git a/tools/hv/hv_vss_daemon.c b/tools/hv/hv_vss_daemon.c
index fea03a3edaf..826d499dc35 100644
--- a/tools/hv/hv_vss_daemon.c
+++ b/tools/hv/hv_vss_daemon.c
@@ -156,7 +156,8 @@ int main(void)
fd = socket(AF_NETLINK, SOCK_DGRAM, NETLINK_CONNECTOR);
if (fd < 0) {
- syslog(LOG_ERR, "netlink socket creation failed; error:%d", fd);
+ syslog(LOG_ERR, "netlink socket creation failed; error:%d %s",
+ errno, strerror(errno));
exit(EXIT_FAILURE);
}
addr.nl_family = AF_NETLINK;
@@ -167,12 +168,16 @@ int main(void)
error = bind(fd, (struct sockaddr *)&addr, sizeof(addr));
if (error < 0) {
- syslog(LOG_ERR, "bind failed; error:%d", error);
+ syslog(LOG_ERR, "bind failed; error:%d %s", errno, strerror(errno));
close(fd);
exit(EXIT_FAILURE);
}
nl_group = CN_VSS_IDX;
- setsockopt(fd, SOL_NETLINK, NETLINK_ADD_MEMBERSHIP, &nl_group, sizeof(nl_group));
+ if (setsockopt(fd, SOL_NETLINK, NETLINK_ADD_MEMBERSHIP, &nl_group, sizeof(nl_group)) < 0) {
+ syslog(LOG_ERR, "setsockopt failed; error:%d %s", errno, strerror(errno));
+ close(fd);
+ exit(EXIT_FAILURE);
+ }
/*
* Register ourselves with the kernel.
*/
@@ -187,7 +192,7 @@ int main(void)
len = netlink_send(fd, message);
if (len < 0) {
- syslog(LOG_ERR, "netlink_send failed; error:%d", len);
+ syslog(LOG_ERR, "netlink_send failed; error:%d %s", errno, strerror(errno));
close(fd);
exit(EXIT_FAILURE);
}
@@ -199,7 +204,16 @@ int main(void)
socklen_t addr_l = sizeof(addr);
pfd.events = POLLIN;
pfd.revents = 0;
- poll(&pfd, 1, -1);
+
+ if (poll(&pfd, 1, -1) < 0) {
+ syslog(LOG_ERR, "poll failed; error:%d %s", errno, strerror(errno));
+ if (errno == EINVAL) {
+ close(fd);
+ exit(EXIT_FAILURE);
+ }
+ else
+ continue;
+ }
len = recvfrom(fd, vss_recv_buffer, sizeof(vss_recv_buffer), 0,
addr_p, &addr_l);
@@ -241,7 +255,8 @@ int main(void)
vss_msg->error = error;
len = netlink_send(fd, incoming_cn_msg);
if (len < 0) {
- syslog(LOG_ERR, "net_link send failed; error:%d", len);
+ syslog(LOG_ERR, "net_link send failed; error:%d %s",
+ errno, strerror(errno));
exit(EXIT_FAILURE);
}
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-11 10:22:18 +0000