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-rw-r--r--drivers/acpi/Kconfig1
-rw-r--r--drivers/acpi/ac.c4
-rw-r--r--drivers/acpi/acpi_extlog.c18
-rw-r--r--drivers/acpi/acpi_pad.c5
-rw-r--r--drivers/acpi/acpica/acresrc.h6
-rw-r--r--drivers/acpi/acpica/nsalloc.c18
-rw-r--r--drivers/acpi/acpica/nsutils.c18
-rw-r--r--drivers/acpi/acpica/rscalc.c9
-rw-r--r--drivers/acpi/acpica/rscreate.c36
-rw-r--r--drivers/acpi/acpica/rsutils.c2
-rw-r--r--drivers/acpi/acpica/utdebug.c31
-rw-r--r--drivers/acpi/apei/Kconfig1
-rw-r--r--drivers/acpi/apei/apei-base.c4
-rw-r--r--drivers/acpi/apei/einj.c58
-rw-r--r--drivers/acpi/apei/erst.c3
-rw-r--r--drivers/acpi/apei/ghes.c39
-rw-r--r--drivers/acpi/battery.c22
-rw-r--r--drivers/acpi/bus.c10
-rw-r--r--drivers/acpi/nvs.c1
-rw-r--r--drivers/acpi/pci_root.c3
-rw-r--r--drivers/acpi/processor_idle.c15
-rw-r--r--drivers/acpi/scan.c2
-rw-r--r--drivers/acpi/sleep.c2
-rw-r--r--drivers/acpi/sysfs.c54
24 files changed, 227 insertions, 135 deletions
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index 5d9248526d78..4770de5707b9 100644
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -348,7 +348,6 @@ source "drivers/acpi/apei/Kconfig"
config ACPI_EXTLOG
tristate "Extended Error Log support"
depends on X86_MCE && X86_LOCAL_APIC
- select EFI
select UEFI_CPER
default n
help
diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c
index 8711e3797165..3c2e4aa529c4 100644
--- a/drivers/acpi/ac.c
+++ b/drivers/acpi/ac.c
@@ -207,7 +207,7 @@ static int acpi_ac_probe(struct platform_device *pdev)
goto end;
result = acpi_install_notify_handler(ACPI_HANDLE(&pdev->dev),
- ACPI_DEVICE_NOTIFY, acpi_ac_notify_handler, ac);
+ ACPI_ALL_NOTIFY, acpi_ac_notify_handler, ac);
if (result) {
power_supply_unregister(&ac->charger);
goto end;
@@ -255,7 +255,7 @@ static int acpi_ac_remove(struct platform_device *pdev)
return -EINVAL;
acpi_remove_notify_handler(ACPI_HANDLE(&pdev->dev),
- ACPI_DEVICE_NOTIFY, acpi_ac_notify_handler);
+ ACPI_ALL_NOTIFY, acpi_ac_notify_handler);
ac = platform_get_drvdata(pdev);
if (ac->charger.dev)
diff --git a/drivers/acpi/acpi_extlog.c b/drivers/acpi/acpi_extlog.c
index a6869e110ce5..5d33c5415405 100644
--- a/drivers/acpi/acpi_extlog.c
+++ b/drivers/acpi/acpi_extlog.c
@@ -12,6 +12,7 @@
#include <acpi/acpi_bus.h>
#include <linux/cper.h>
#include <linux/ratelimit.h>
+#include <linux/edac.h>
#include <asm/cpu.h>
#include <asm/mce.h>
@@ -43,6 +44,8 @@ struct extlog_l1_head {
u8 rev1[12];
};
+static int old_edac_report_status;
+
static u8 extlog_dsm_uuid[] = "663E35AF-CC10-41A4-88EA-5470AF055295";
/* L1 table related physical address */
@@ -150,7 +153,7 @@ static int extlog_print(struct notifier_block *nb, unsigned long val,
rc = print_extlog_rcd(NULL, (struct acpi_generic_status *)elog_buf, cpu);
- return NOTIFY_DONE;
+ return NOTIFY_STOP;
}
static int extlog_get_dsm(acpi_handle handle, int rev, int func, u64 *ret)
@@ -231,8 +234,12 @@ static int __init extlog_init(void)
u64 cap;
int rc;
- rc = -ENODEV;
+ if (get_edac_report_status() == EDAC_REPORTING_FORCE) {
+ pr_warn("Not loading eMCA, error reporting force-enabled through EDAC.\n");
+ return -EPERM;
+ }
+ rc = -ENODEV;
rdmsrl(MSR_IA32_MCG_CAP, cap);
if (!(cap & MCG_ELOG_P))
return rc;
@@ -287,6 +294,12 @@ static int __init extlog_init(void)
if (elog_buf == NULL)
goto err_release_elog;
+ /*
+ * eMCA event report method has higher priority than EDAC method,
+ * unless EDAC event report method is mandatory.
+ */
+ old_edac_report_status = get_edac_report_status();
+ set_edac_report_status(EDAC_REPORTING_DISABLED);
mce_register_decode_chain(&extlog_mce_dec);
/* enable OS to be involved to take over management from BIOS */
((struct extlog_l1_head *)extlog_l1_addr)->flags |= FLAG_OS_OPTIN;
@@ -308,6 +321,7 @@ err:
static void __exit extlog_exit(void)
{
+ set_edac_report_status(old_edac_report_status);
mce_unregister_decode_chain(&extlog_mce_dec);
((struct extlog_l1_head *)extlog_l1_addr)->flags &= ~FLAG_OS_OPTIN;
if (extlog_l1_addr)
diff --git a/drivers/acpi/acpi_pad.c b/drivers/acpi/acpi_pad.c
index fc6008fbce35..509452a62f96 100644
--- a/drivers/acpi/acpi_pad.c
+++ b/drivers/acpi/acpi_pad.c
@@ -193,10 +193,7 @@ static int power_saving_thread(void *data)
CLOCK_EVT_NOTIFY_BROADCAST_ENTER, &cpu);
stop_critical_timings();
- __monitor((void *)&current_thread_info()->flags, 0, 0);
- smp_mb();
- if (!need_resched())
- __mwait(power_saving_mwait_eax, 1);
+ mwait_idle_with_hints(power_saving_mwait_eax, 1);
start_critical_timings();
if (lapic_marked_unstable)
diff --git a/drivers/acpi/acpica/acresrc.h b/drivers/acpi/acpica/acresrc.h
index f691d0e4d9fa..ff97430455cb 100644
--- a/drivers/acpi/acpica/acresrc.h
+++ b/drivers/acpi/acpica/acresrc.h
@@ -184,7 +184,7 @@ acpi_rs_create_resource_list(union acpi_operand_object *aml_buffer,
struct acpi_buffer *output_buffer);
acpi_status
-acpi_rs_create_aml_resources(struct acpi_resource *linked_list_buffer,
+acpi_rs_create_aml_resources(struct acpi_buffer *resource_list,
struct acpi_buffer *output_buffer);
acpi_status
@@ -227,8 +227,8 @@ acpi_rs_get_list_length(u8 * aml_buffer,
u32 aml_buffer_length, acpi_size * size_needed);
acpi_status
-acpi_rs_get_aml_length(struct acpi_resource *linked_list_buffer,
- acpi_size * size_needed);
+acpi_rs_get_aml_length(struct acpi_resource *resource_list,
+ acpi_size resource_list_size, acpi_size * size_needed);
acpi_status
acpi_rs_get_pci_routing_table_length(union acpi_operand_object *package_object,
diff --git a/drivers/acpi/acpica/nsalloc.c b/drivers/acpi/acpica/nsalloc.c
index 243737363fb8..fd1ff54cda19 100644
--- a/drivers/acpi/acpica/nsalloc.c
+++ b/drivers/acpi/acpica/nsalloc.c
@@ -106,6 +106,7 @@ struct acpi_namespace_node *acpi_ns_create_node(u32 name)
void acpi_ns_delete_node(struct acpi_namespace_node *node)
{
union acpi_operand_object *obj_desc;
+ union acpi_operand_object *next_desc;
ACPI_FUNCTION_NAME(ns_delete_node);
@@ -114,12 +115,13 @@ void acpi_ns_delete_node(struct acpi_namespace_node *node)
acpi_ns_detach_object(node);
/*
- * Delete an attached data object if present (an object that was created
- * and attached via acpi_attach_data). Note: After any normal object is
- * detached above, the only possible remaining object is a data object.
+ * Delete an attached data object list if present (objects that were
+ * attached via acpi_attach_data). Note: After any normal object is
+ * detached above, the only possible remaining object(s) are data
+ * objects, in a linked list.
*/
obj_desc = node->object;
- if (obj_desc && (obj_desc->common.type == ACPI_TYPE_LOCAL_DATA)) {
+ while (obj_desc && (obj_desc->common.type == ACPI_TYPE_LOCAL_DATA)) {
/* Invoke the attached data deletion handler if present */
@@ -127,7 +129,15 @@ void acpi_ns_delete_node(struct acpi_namespace_node *node)
obj_desc->data.handler(node, obj_desc->data.pointer);
}
+ next_desc = obj_desc->common.next_object;
acpi_ut_remove_reference(obj_desc);
+ obj_desc = next_desc;
+ }
+
+ /* Special case for the statically allocated root node */
+
+ if (node == acpi_gbl_root_node) {
+ return;
}
/* Now we can delete the node */
diff --git a/drivers/acpi/acpica/nsutils.c b/drivers/acpi/acpica/nsutils.c
index cc2fea94c5f0..4a0665b6bcc1 100644
--- a/drivers/acpi/acpica/nsutils.c
+++ b/drivers/acpi/acpica/nsutils.c
@@ -593,24 +593,26 @@ struct acpi_namespace_node *acpi_ns_validate_handle(acpi_handle handle)
void acpi_ns_terminate(void)
{
- union acpi_operand_object *obj_desc;
+ acpi_status status;
ACPI_FUNCTION_TRACE(ns_terminate);
/*
- * 1) Free the entire namespace -- all nodes and objects
- *
- * Delete all object descriptors attached to namepsace nodes
+ * Free the entire namespace -- all nodes and all objects
+ * attached to the nodes
*/
acpi_ns_delete_namespace_subtree(acpi_gbl_root_node);
- /* Detach any objects attached to the root */
+ /* Delete any objects attached to the root node */
- obj_desc = acpi_ns_get_attached_object(acpi_gbl_root_node);
- if (obj_desc) {
- acpi_ns_detach_object(acpi_gbl_root_node);
+ status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
+ if (ACPI_FAILURE(status)) {
+ return_VOID;
}
+ acpi_ns_delete_node(acpi_gbl_root_node);
+ (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
+
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Namespace freed\n"));
return_VOID;
}
diff --git a/drivers/acpi/acpica/rscalc.c b/drivers/acpi/acpica/rscalc.c
index b62a0f4f4f9b..b60c9cf82862 100644
--- a/drivers/acpi/acpica/rscalc.c
+++ b/drivers/acpi/acpica/rscalc.c
@@ -174,6 +174,7 @@ acpi_rs_stream_option_length(u32 resource_length,
* FUNCTION: acpi_rs_get_aml_length
*
* PARAMETERS: resource - Pointer to the resource linked list
+ * resource_list_size - Size of the resource linked list
* size_needed - Where the required size is returned
*
* RETURN: Status
@@ -185,16 +186,20 @@ acpi_rs_stream_option_length(u32 resource_length,
******************************************************************************/
acpi_status
-acpi_rs_get_aml_length(struct acpi_resource * resource, acpi_size * size_needed)
+acpi_rs_get_aml_length(struct acpi_resource *resource,
+ acpi_size resource_list_size, acpi_size * size_needed)
{
acpi_size aml_size_needed = 0;
+ struct acpi_resource *resource_end;
acpi_rs_length total_size;
ACPI_FUNCTION_TRACE(rs_get_aml_length);
/* Traverse entire list of internal resource descriptors */
- while (resource) {
+ resource_end =
+ ACPI_ADD_PTR(struct acpi_resource, resource, resource_list_size);
+ while (resource < resource_end) {
/* Validate the descriptor type */
diff --git a/drivers/acpi/acpica/rscreate.c b/drivers/acpi/acpica/rscreate.c
index 65f3e1c5b598..3a2ace93e62c 100644
--- a/drivers/acpi/acpica/rscreate.c
+++ b/drivers/acpi/acpica/rscreate.c
@@ -418,22 +418,21 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object,
*
* FUNCTION: acpi_rs_create_aml_resources
*
- * PARAMETERS: linked_list_buffer - Pointer to the resource linked list
- * output_buffer - Pointer to the user's buffer
+ * PARAMETERS: resource_list - Pointer to the resource list buffer
+ * output_buffer - Where the AML buffer is returned
*
* RETURN: Status AE_OK if okay, else a valid acpi_status code.
* If the output_buffer is too small, the error will be
* AE_BUFFER_OVERFLOW and output_buffer->Length will point
* to the size buffer needed.
*
- * DESCRIPTION: Takes the linked list of device resources and
- * creates a bytestream to be used as input for the
- * _SRS control method.
+ * DESCRIPTION: Converts a list of device resources to an AML bytestream
+ * to be used as input for the _SRS control method.
*
******************************************************************************/
acpi_status
-acpi_rs_create_aml_resources(struct acpi_resource *linked_list_buffer,
+acpi_rs_create_aml_resources(struct acpi_buffer *resource_list,
struct acpi_buffer *output_buffer)
{
acpi_status status;
@@ -441,16 +440,16 @@ acpi_rs_create_aml_resources(struct acpi_resource *linked_list_buffer,
ACPI_FUNCTION_TRACE(rs_create_aml_resources);
- ACPI_DEBUG_PRINT((ACPI_DB_INFO, "LinkedListBuffer = %p\n",
- linked_list_buffer));
+ /* Params already validated, no need to re-validate here */
- /*
- * Params already validated, so we don't re-validate here
- *
- * Pass the linked_list_buffer into a module that calculates
- * the buffer size needed for the byte stream.
- */
- status = acpi_rs_get_aml_length(linked_list_buffer, &aml_size_needed);
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO, "ResourceList Buffer = %p\n",
+ resource_list->pointer));
+
+ /* Get the buffer size needed for the AML byte stream */
+
+ status = acpi_rs_get_aml_length(resource_list->pointer,
+ resource_list->length,
+ &aml_size_needed);
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "AmlSizeNeeded=%X, %s\n",
(u32)aml_size_needed, acpi_format_exception(status)));
@@ -467,10 +466,9 @@ acpi_rs_create_aml_resources(struct acpi_resource *linked_list_buffer,
/* Do the conversion */
- status =
- acpi_rs_convert_resources_to_aml(linked_list_buffer,
- aml_size_needed,
- output_buffer->pointer);
+ status = acpi_rs_convert_resources_to_aml(resource_list->pointer,
+ aml_size_needed,
+ output_buffer->pointer);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
diff --git a/drivers/acpi/acpica/rsutils.c b/drivers/acpi/acpica/rsutils.c
index aef303d56d86..14a7982c9961 100644
--- a/drivers/acpi/acpica/rsutils.c
+++ b/drivers/acpi/acpica/rsutils.c
@@ -753,7 +753,7 @@ acpi_rs_set_srs_method_data(struct acpi_namespace_node *node,
* Convert the linked list into a byte stream
*/
buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER;
- status = acpi_rs_create_aml_resources(in_buffer->pointer, &buffer);
+ status = acpi_rs_create_aml_resources(in_buffer, &buffer);
if (ACPI_FAILURE(status)) {
goto cleanup;
}
diff --git a/drivers/acpi/acpica/utdebug.c b/drivers/acpi/acpica/utdebug.c
index 1a67b3944b3b..03ae8affe48f 100644
--- a/drivers/acpi/acpica/utdebug.c
+++ b/drivers/acpi/acpica/utdebug.c
@@ -185,6 +185,7 @@ acpi_debug_print(u32 requested_debug_level,
}
acpi_gbl_prev_thread_id = thread_id;
+ acpi_gbl_nesting_level = 0;
}
/*
@@ -193,13 +194,21 @@ acpi_debug_print(u32 requested_debug_level,
*/
acpi_os_printf("%9s-%04ld ", module_name, line_number);
+#ifdef ACPI_EXEC_APP
+ /*
+ * For acpi_exec only, emit the thread ID and nesting level.
+ * Note: nesting level is really only useful during a single-thread
+ * execution. Otherwise, multiple threads will keep resetting the
+ * level.
+ */
if (ACPI_LV_THREADS & acpi_dbg_level) {
acpi_os_printf("[%u] ", (u32)thread_id);
}
- acpi_os_printf("[%02ld] %-22.22s: ",
- acpi_gbl_nesting_level,
- acpi_ut_trim_function_name(function_name));
+ acpi_os_printf("[%02ld] ", acpi_gbl_nesting_level);
+#endif
+
+ acpi_os_printf("%-22.22s: ", acpi_ut_trim_function_name(function_name));
va_start(args, format);
acpi_os_vprintf(format, args);
@@ -420,7 +429,9 @@ acpi_ut_exit(u32 line_number,
component_id, "%s\n", acpi_gbl_fn_exit_str);
}
- acpi_gbl_nesting_level--;
+ if (acpi_gbl_nesting_level) {
+ acpi_gbl_nesting_level--;
+ }
}
ACPI_EXPORT_SYMBOL(acpi_ut_exit)
@@ -467,7 +478,9 @@ acpi_ut_status_exit(u32 line_number,
}
}
- acpi_gbl_nesting_level--;
+ if (acpi_gbl_nesting_level) {
+ acpi_gbl_nesting_level--;
+ }
}
ACPI_EXPORT_SYMBOL(acpi_ut_status_exit)
@@ -504,7 +517,9 @@ acpi_ut_value_exit(u32 line_number,
ACPI_FORMAT_UINT64(value));
}
- acpi_gbl_nesting_level--;
+ if (acpi_gbl_nesting_level) {
+ acpi_gbl_nesting_level--;
+ }
}
ACPI_EXPORT_SYMBOL(acpi_ut_value_exit)
@@ -540,7 +555,9 @@ acpi_ut_ptr_exit(u32 line_number,
ptr);
}
- acpi_gbl_nesting_level--;
+ if (acpi_gbl_nesting_level) {
+ acpi_gbl_nesting_level--;
+ }
}
#endif
diff --git a/drivers/acpi/apei/Kconfig b/drivers/acpi/apei/Kconfig
index 786294bb682c..3650b2183227 100644
--- a/drivers/acpi/apei/Kconfig
+++ b/drivers/acpi/apei/Kconfig
@@ -2,7 +2,6 @@ config ACPI_APEI
bool "ACPI Platform Error Interface (APEI)"
select MISC_FILESYSTEMS
select PSTORE
- select EFI
select UEFI_CPER
depends on X86
help
diff --git a/drivers/acpi/apei/apei-base.c b/drivers/acpi/apei/apei-base.c
index 6d2c49b86b7f..e55584a072c6 100644
--- a/drivers/acpi/apei/apei-base.c
+++ b/drivers/acpi/apei/apei-base.c
@@ -41,6 +41,7 @@
#include <linux/rculist.h>
#include <linux/interrupt.h>
#include <linux/debugfs.h>
+#include <asm/unaligned.h>
#include "apei-internal.h"
@@ -567,8 +568,7 @@ static int apei_check_gar(struct acpi_generic_address *reg, u64 *paddr,
bit_offset = reg->bit_offset;
access_size_code = reg->access_width;
space_id = reg->space_id;
- /* Handle possible alignment issues */
- memcpy(paddr, &reg->address, sizeof(*paddr));
+ *paddr = get_unaligned(&reg->address);
if (!*paddr) {
pr_warning(FW_BUG APEI_PFX
"Invalid physical address in GAR [0x%llx/%u/%u/%u/%u]\n",
diff --git a/drivers/acpi/apei/einj.c b/drivers/acpi/apei/einj.c
index fb57d03e698b..7dcc8a824aae 100644
--- a/drivers/acpi/apei/einj.c
+++ b/drivers/acpi/apei/einj.c
@@ -34,6 +34,7 @@
#include <linux/delay.h>
#include <linux/mm.h>
#include <acpi/acpi.h>
+#include <asm/unaligned.h>
#include "apei-internal.h"
@@ -216,7 +217,7 @@ static void check_vendor_extension(u64 paddr,
static void *einj_get_parameter_address(void)
{
int i;
- u64 paddrv4 = 0, paddrv5 = 0;
+ u64 pa_v4 = 0, pa_v5 = 0;
struct acpi_whea_header *entry;
entry = EINJ_TAB_ENTRY(einj_tab);
@@ -225,30 +226,28 @@ static void *einj_get_parameter_address(void)
entry->instruction == ACPI_EINJ_WRITE_REGISTER &&
entry->register_region.space_id ==
ACPI_ADR_SPACE_SYSTEM_MEMORY)
- memcpy(&paddrv4, &entry->register_region.address,
- sizeof(paddrv4));
+ pa_v4 = get_unaligned(&entry->register_region.address);
if (entry->action == ACPI_EINJ_SET_ERROR_TYPE_WITH_ADDRESS &&
entry->instruction == ACPI_EINJ_WRITE_REGISTER &&
entry->register_region.space_id ==
ACPI_ADR_SPACE_SYSTEM_MEMORY)
- memcpy(&paddrv5, &entry->register_region.address,
- sizeof(paddrv5));
+ pa_v5 = get_unaligned(&entry->register_region.address);
entry++;
}
- if (paddrv5) {
+ if (pa_v5) {
struct set_error_type_with_address *v5param;
- v5param = acpi_os_map_memory(paddrv5, sizeof(*v5param));
+ v5param = acpi_os_map_memory(pa_v5, sizeof(*v5param));
if (v5param) {
acpi5 = 1;
- check_vendor_extension(paddrv5, v5param);
+ check_vendor_extension(pa_v5, v5param);
return v5param;
}
}
- if (param_extension && paddrv4) {
+ if (param_extension && pa_v4) {
struct einj_parameter *v4param;
- v4param = acpi_os_map_memory(paddrv4, sizeof(*v4param));
+ v4param = acpi_os_map_memory(pa_v4, sizeof(*v4param));
if (!v4param)
return NULL;
if (v4param->reserved1 || v4param->reserved2) {
@@ -416,7 +415,8 @@ out:
return rc;
}
-static int __einj_error_inject(u32 type, u64 param1, u64 param2)
+static int __einj_error_inject(u32 type, u32 flags, u64 param1, u64 param2,
+ u64 param3, u64 param4)
{
struct apei_exec_context ctx;
u64 val, trigger_paddr, timeout = FIRMWARE_TIMEOUT;
@@ -446,6 +446,12 @@ static int __einj_error_inject(u32 type, u64 param1, u64 param2)
break;
}
v5param->flags = vendor_flags;
+ } else if (flags) {
+ v5param->flags = flags;
+ v5param->memory_address = param1;
+ v5param->memory_address_range = param2;
+ v5param->apicid = param3;
+ v5param->pcie_sbdf = param4;
} else {
switch (type) {
case ACPI_EINJ_PROCESSOR_CORRECTABLE:
@@ -514,11 +520,17 @@ static int __einj_error_inject(u32 type, u64 param1, u64 param2)
}
/* Inject the specified hardware error */
-static int einj_error_inject(u32 type, u64 param1, u64 param2)
+static int einj_error_inject(u32 type, u32 flags, u64 param1, u64 param2,
+ u64 param3, u64 param4)
{
int rc;
unsigned long pfn;
+ /* If user manually set "flags", make sure it is legal */
+ if (flags && (flags &
+ ~(SETWA_FLAGS_APICID|SETWA_FLAGS_MEM|SETWA_FLAGS_PCIE_SBDF)))
+ return -EINVAL;
+
/*
* We need extra sanity checks for memory errors.
* Other types leap directly to injection.
@@ -532,7 +544,7 @@ static int einj_error_inject(u32 type, u64 param1, u64 param2)
if (type & ACPI5_VENDOR_BIT) {
if (vendor_flags != SETWA_FLAGS_MEM)
goto inject;
- } else if (!(type & MEM_ERROR_MASK))
+ } else if (!(type & MEM_ERROR_MASK) && !(flags & SETWA_FLAGS_MEM))
goto inject;
/*
@@ -546,15 +558,18 @@ static int einj_error_inject(u32 type, u64 param1, u64 param2)
inject:
mutex_lock(&einj_mutex);
- rc = __einj_error_inject(type, param1, param2);
+ rc = __einj_error_inject(type, flags, param1, param2, param3, param4);
mutex_unlock(&einj_mutex);
return rc;
}
static u32 error_type;
+static u32 error_flags;
static u64 error_param1;
static u64 error_param2;
+static u64 error_param3;
+static u64 error_param4;
static struct dentry *einj_debug_dir;
static int available_error_type_show(struct seq_file *m, void *v)
@@ -648,7 +663,8 @@ static int error_inject_set(void *data, u64 val)
if (!error_type)
return -EINVAL;
- return einj_error_inject(error_type, error_param1, error_param2);
+ return einj_error_inject(error_type, error_flags, error_param1, error_param2,
+ error_param3, error_param4);
}
DEFINE_SIMPLE_ATTRIBUTE(error_inject_fops, NULL,
@@ -729,6 +745,10 @@ static int __init einj_init(void)
rc = -ENOMEM;
einj_param = einj_get_parameter_address();
if ((param_extension || acpi5) && einj_param) {
+ fentry = debugfs_create_x32("flags", S_IRUSR | S_IWUSR,
+ einj_debug_dir, &error_flags);
+ if (!fentry)
+ goto err_unmap;
fentry = debugfs_create_x64("param1", S_IRUSR | S_IWUSR,
einj_debug_dir, &error_param1);
if (!fentry)
@@ -737,6 +757,14 @@ static int __init einj_init(void)
einj_debug_dir, &error_param2);
if (!fentry)
goto err_unmap;
+ fentry = debugfs_create_x64("param3", S_IRUSR | S_IWUSR,
+ einj_debug_dir, &error_param3);
+ if (!fentry)
+ goto err_unmap;
+ fentry = debugfs_create_x64("param4", S_IRUSR | S_IWUSR,
+ einj_debug_dir, &error_param4);
+ if (!fentry)
+ goto err_unmap;
fentry = debugfs_create_x32("notrigger", S_IRUSR | S_IWUSR,
einj_debug_dir, &notrigger);
diff --git a/drivers/acpi/apei/erst.c b/drivers/acpi/apei/erst.c
index 26311f23c824..ed65e9c4b5b0 100644
--- a/drivers/acpi/apei/erst.c
+++ b/drivers/acpi/apei/erst.c
@@ -611,7 +611,7 @@ static void __erst_record_id_cache_compact(void)
if (entries[i] == APEI_ERST_INVALID_RECORD_ID)
continue;
if (wpos != i)
- memcpy(&entries[wpos], &entries[i], sizeof(entries[i]));
+ entries[wpos] = entries[i];
wpos++;
}
erst_record_id_cache.len = wpos;
@@ -942,6 +942,7 @@ static int erst_clearer(enum pstore_type_id type, u64 id, int count,
static struct pstore_info erst_info = {
.owner = THIS_MODULE,
.name = "erst",
+ .flags = PSTORE_FLAGS_FRAGILE,
.open = erst_open_pstore,
.close = erst_close_pstore,
.read = erst_reader,
diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c
index a30bc313787b..46766ef7ef5d 100644
--- a/drivers/acpi/apei/ghes.c
+++ b/drivers/acpi/apei/ghes.c
@@ -413,27 +413,31 @@ static void ghes_handle_memory_failure(struct acpi_generic_data *gdata, int sev)
{
#ifdef CONFIG_ACPI_APEI_MEMORY_FAILURE
unsigned long pfn;
+ int flags = -1;
int sec_sev = ghes_severity(gdata->error_severity);
struct cper_sec_mem_err *mem_err;
mem_err = (struct cper_sec_mem_err *)(gdata + 1);
- if (sec_sev == GHES_SEV_CORRECTED &&
- (gdata->flags & CPER_SEC_ERROR_THRESHOLD_EXCEEDED) &&
- (mem_err->validation_bits & CPER_MEM_VALID_PA)) {
- pfn = mem_err->physical_addr >> PAGE_SHIFT;
- if (pfn_valid(pfn))
- memory_failure_queue(pfn, 0, MF_SOFT_OFFLINE);
- else if (printk_ratelimit())
- pr_warn(FW_WARN GHES_PFX
- "Invalid address in generic error data: %#llx\n",
- mem_err->physical_addr);
- }
- if (sev == GHES_SEV_RECOVERABLE &&
- sec_sev == GHES_SEV_RECOVERABLE &&
- mem_err->validation_bits & CPER_MEM_VALID_PA) {
- pfn = mem_err->physical_addr >> PAGE_SHIFT;
- memory_failure_queue(pfn, 0, 0);
+ if (!(mem_err->validation_bits & CPER_MEM_VALID_PA))
+ return;
+
+ pfn = mem_err->physical_addr >> PAGE_SHIFT;
+ if (!pfn_valid(pfn)) {
+ pr_warn_ratelimited(FW_WARN GHES_PFX
+ "Invalid address in generic error data: %#llx\n",
+ mem_err->physical_addr);
+ return;
}
+
+ /* iff following two events can be handled properly by now */
+ if (sec_sev == GHES_SEV_CORRECTED &&
+ (gdata->flags & CPER_SEC_ERROR_THRESHOLD_EXCEEDED))
+ flags = MF_SOFT_OFFLINE;
+ if (sev == GHES_SEV_RECOVERABLE && sec_sev == GHES_SEV_RECOVERABLE)
+ flags = 0;
+
+ if (flags != -1)
+ memory_failure_queue(pfn, 0, flags);
#endif
}
@@ -453,8 +457,7 @@ static void ghes_do_proc(struct ghes *ghes,
ghes_edac_report_mem_error(ghes, sev, mem_err);
#ifdef CONFIG_X86_MCE
- apei_mce_report_mem_error(sev == GHES_SEV_CORRECTED,
- mem_err);
+ apei_mce_report_mem_error(sev, mem_err);
#endif
ghes_handle_memory_failure(gdata, sev);
}
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index fbf1aceda8b8..5876a49dfd38 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -62,6 +62,7 @@ MODULE_AUTHOR("Alexey Starikovskiy <astarikovskiy@suse.de>");
MODULE_DESCRIPTION("ACPI Battery Driver");
MODULE_LICENSE("GPL");
+static int battery_bix_broken_package;
static unsigned int cache_time = 1000;
module_param(cache_time, uint, 0644);
MODULE_PARM_DESC(cache_time, "cache time in milliseconds");
@@ -416,7 +417,12 @@ static int acpi_battery_get_info(struct acpi_battery *battery)
ACPI_EXCEPTION((AE_INFO, status, "Evaluating %s", name));
return -ENODEV;
}
- if (test_bit(ACPI_BATTERY_XINFO_PRESENT, &battery->flags))
+
+ if (battery_bix_broken_package)
+ result = extract_package(battery, buffer.pointer,
+ extended_info_offsets + 1,
+ ARRAY_SIZE(extended_info_offsets) - 1);
+ else if (test_bit(ACPI_BATTERY_XINFO_PRESENT, &battery->flags))
result = extract_package(battery, buffer.pointer,
extended_info_offsets,
ARRAY_SIZE(extended_info_offsets));
@@ -754,6 +760,17 @@ static int battery_notify(struct notifier_block *nb,
return 0;
}
+static struct dmi_system_id bat_dmi_table[] = {
+ {
+ .ident = "NEC LZ750/LS",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "NEC"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "PC-LZ750LS"),
+ },
+ },
+ {},
+};
+
static int acpi_battery_add(struct acpi_device *device)
{
int result = 0;
@@ -846,6 +863,9 @@ static void __init acpi_battery_init_async(void *unused, async_cookie_t cookie)
{
if (acpi_disabled)
return;
+
+ if (dmi_check_system(bat_dmi_table))
+ battery_bix_broken_package = 1;
acpi_bus_register_driver(&acpi_battery_driver);
}
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index bba9b72e25f8..0710004055c8 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -156,6 +156,16 @@ int acpi_bus_get_private_data(acpi_handle handle, void **data)
}
EXPORT_SYMBOL(acpi_bus_get_private_data);
+void acpi_bus_no_hotplug(acpi_handle handle)
+{
+ struct acpi_device *adev = NULL;
+
+ acpi_bus_get_device(handle, &adev);
+ if (adev)
+ adev->flags.no_hotplug = true;
+}
+EXPORT_SYMBOL_GPL(acpi_bus_no_hotplug);
+
static void acpi_print_osc_error(acpi_handle handle,
struct acpi_osc_context *context, char *error)
{
diff --git a/drivers/acpi/nvs.c b/drivers/acpi/nvs.c
index 266bc58ce0ce..386a9fe497b4 100644
--- a/drivers/acpi/nvs.c
+++ b/drivers/acpi/nvs.c
@@ -13,7 +13,6 @@
#include <linux/slab.h>
#include <linux/acpi.h>
#include <linux/acpi_io.h>
-#include <acpi/acpiosxf.h>
/* ACPI NVS regions, APEI may use it */
diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c
index 07ee02aa3c51..5b01bd6d5ea0 100644
--- a/drivers/acpi/pci_root.c
+++ b/drivers/acpi/pci_root.c
@@ -65,6 +65,9 @@ static struct acpi_scan_handler pci_root_handler = {
.ids = root_device_ids,
.attach = acpi_pci_root_add,
.detach = acpi_pci_root_remove,
+ .hotplug = {
+ .ignore = true,
+ },
};
static DEFINE_MUTEX(osc_lock);
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 644516d9bde6..f90c56c8379e 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -727,11 +727,6 @@ static int acpi_idle_enter_c1(struct cpuidle_device *dev,
if (unlikely(!pr))
return -EINVAL;
- if (cx->entry_method == ACPI_CSTATE_FFH) {
- if (current_set_polling_and_test())
- return -EINVAL;
- }
-
lapic_timer_state_broadcast(pr, cx, 1);
acpi_idle_do_entry(cx);
@@ -785,11 +780,6 @@ static int acpi_idle_enter_simple(struct cpuidle_device *dev,
if (unlikely(!pr))
return -EINVAL;
- if (cx->entry_method == ACPI_CSTATE_FFH) {
- if (current_set_polling_and_test())
- return -EINVAL;
- }
-
/*
* Must be done before busmaster disable as we might need to
* access HPET !
@@ -841,11 +831,6 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev,
}
}
- if (cx->entry_method == ACPI_CSTATE_FFH) {
- if (current_set_polling_and_test())
- return -EINVAL;
- }
-
acpi_unlazy_tlb(smp_processor_id());
/* Tell the scheduler that we are going deep-idle: */
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 15daa21fcd05..fd39459926b1 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -1772,7 +1772,7 @@ static void acpi_scan_init_hotplug(acpi_handle handle, int type)
*/
list_for_each_entry(hwid, &pnp.ids, list) {
handler = acpi_scan_match_handler(hwid->id, NULL);
- if (handler) {
+ if (handler && !handler->hotplug.ignore) {
acpi_install_notify_handler(handle, ACPI_SYSTEM_NOTIFY,
acpi_hotplug_notify_cb, handler);
break;
diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index 14df30580e15..721e949e606e 100644
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -525,7 +525,7 @@ static int acpi_suspend_enter(suspend_state_t pm_state)
* generate wakeup events.
*/
if (ACPI_SUCCESS(status) && (acpi_state == ACPI_STATE_S3)) {
- acpi_event_status pwr_btn_status;
+ acpi_event_status pwr_btn_status = ACPI_EVENT_FLAG_DISABLED;
acpi_get_event_status(ACPI_EVENT_POWER_BUTTON, &pwr_btn_status);
diff --git a/drivers/acpi/sysfs.c b/drivers/acpi/sysfs.c
index db5293650f62..6dbc3ca45223 100644
--- a/drivers/acpi/sysfs.c
+++ b/drivers/acpi/sysfs.c
@@ -309,7 +309,7 @@ static void acpi_table_attr_init(struct acpi_table_attr *table_attr,
sprintf(table_attr->name + ACPI_NAME_SIZE, "%d",
table_attr->instance);
- table_attr->attr.size = 0;
+ table_attr->attr.size = table_header->length;
table_attr->attr.read = acpi_table_show;
table_attr->attr.attr.name = table_attr->name;
table_attr->attr.attr.mode = 0400;
@@ -354,8 +354,9 @@ static int acpi_tables_sysfs_init(void)
{
struct acpi_table_attr *table_attr;
struct acpi_table_header *table_header = NULL;
- int table_index = 0;
- int result;
+ int table_index;
+ acpi_status status;
+ int ret;
tables_kobj = kobject_create_and_add("tables", acpi_kobj);
if (!tables_kobj)
@@ -365,33 +366,34 @@ static int acpi_tables_sysfs_init(void)
if (!dynamic_tables_kobj)
goto err_dynamic_tables;
- do {
- result = acpi_get_table_by_index(table_index, &table_header);
- if (!result) {
- table_index++;
- table_attr = NULL;
- table_attr =
- kzalloc(sizeof(struct acpi_table_attr), GFP_KERNEL);
- if (!table_attr)
- return -ENOMEM;
-
- acpi_table_attr_init(table_attr, table_header);
- result =
- sysfs_create_bin_file(tables_kobj,
- &table_attr->attr);
- if (result) {
- kfree(table_attr);
- return result;
- } else
- list_add_tail(&table_attr->node,
- &acpi_table_attr_list);
+ for (table_index = 0;; table_index++) {
+ status = acpi_get_table_by_index(table_index, &table_header);
+
+ if (status == AE_BAD_PARAMETER)
+ break;
+
+ if (ACPI_FAILURE(status))
+ continue;
+
+ table_attr = NULL;
+ table_attr = kzalloc(sizeof(*table_attr), GFP_KERNEL);
+ if (!table_attr)
+ return -ENOMEM;
+
+ acpi_table_attr_init(table_attr, table_header);
+ ret = sysfs_create_bin_file(tables_kobj, &table_attr->attr);
+ if (ret) {
+ kfree(table_attr);
+ return ret;
}
- } while (!result);
+ list_add_tail(&table_attr->node, &acpi_table_attr_list);
+ }
+
kobject_uevent(tables_kobj, KOBJ_ADD);
kobject_uevent(dynamic_tables_kobj, KOBJ_ADD);
- result = acpi_install_table_handler(acpi_sysfs_table_handler, NULL);
+ status = acpi_install_table_handler(acpi_sysfs_table_handler, NULL);
- return result == AE_OK ? 0 : -EINVAL;
+ return ACPI_FAILURE(status) ? -EINVAL : 0;
err_dynamic_tables:
kobject_put(tables_kobj);
err:
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