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-rw-r--r--include/linux/backing-dev-defs.h7
-rw-r--r--include/linux/ceph/messenger.h2
-rw-r--r--include/linux/ceph/osd_client.h3
-rw-r--r--include/linux/compiler-gcc.h19
-rw-r--r--include/linux/compiler_types.h4
-rw-r--r--include/linux/cper.h23
-rw-r--r--include/linux/hrtimer.h4
7 files changed, 55 insertions, 7 deletions
diff --git a/include/linux/backing-dev-defs.h b/include/linux/backing-dev-defs.h
index ae12696ec492..2ad261082bba 100644
--- a/include/linux/backing-dev-defs.h
+++ b/include/linux/backing-dev-defs.h
@@ -141,8 +141,6 @@ struct bdi_writeback {
struct delayed_work dwork; /* work item used for writeback */
struct delayed_work bw_dwork; /* work item used for bandwidth estimate */
- unsigned long dirty_sleep; /* last wait */
-
struct list_head bdi_node; /* anchored at bdi->wb_list */
#ifdef CONFIG_CGROUP_WRITEBACK
@@ -179,6 +177,11 @@ struct backing_dev_info {
* any dirty wbs, which is depended upon by bdi_has_dirty().
*/
atomic_long_t tot_write_bandwidth;
+ /*
+ * Jiffies when last process was dirty throttled on this bdi. Used by
+ * blk-wbt.
+ */
+ unsigned long last_bdp_sleep;
struct bdi_writeback wb; /* the root writeback info for this bdi */
struct list_head wb_list; /* list of all wbs */
diff --git a/include/linux/ceph/messenger.h b/include/linux/ceph/messenger.h
index 2eaaabbe98cb..1717cc57cdac 100644
--- a/include/linux/ceph/messenger.h
+++ b/include/linux/ceph/messenger.h
@@ -283,7 +283,7 @@ struct ceph_msg {
struct kref kref;
bool more_to_follow;
bool needs_out_seq;
- bool sparse_read;
+ u64 sparse_read_total;
int front_alloc_len;
struct ceph_msgpool *pool;
diff --git a/include/linux/ceph/osd_client.h b/include/linux/ceph/osd_client.h
index fa018d5864e7..f66f6aac74f6 100644
--- a/include/linux/ceph/osd_client.h
+++ b/include/linux/ceph/osd_client.h
@@ -45,6 +45,7 @@ enum ceph_sparse_read_state {
CEPH_SPARSE_READ_HDR = 0,
CEPH_SPARSE_READ_EXTENTS,
CEPH_SPARSE_READ_DATA_LEN,
+ CEPH_SPARSE_READ_DATA_PRE,
CEPH_SPARSE_READ_DATA,
};
@@ -64,7 +65,7 @@ struct ceph_sparse_read {
u64 sr_req_len; /* orig request length */
u64 sr_pos; /* current pos in buffer */
int sr_index; /* current extent index */
- __le32 sr_datalen; /* length of actual data */
+ u32 sr_datalen; /* length of actual data */
u32 sr_count; /* extent count in reply */
int sr_ext_len; /* length of extent array */
struct ceph_sparse_extent *sr_extent; /* extent array */
diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h
index aebb65bf95a7..c1a963be7d28 100644
--- a/include/linux/compiler-gcc.h
+++ b/include/linux/compiler-gcc.h
@@ -64,6 +64,25 @@
__builtin_unreachable(); \
} while (0)
+/*
+ * GCC 'asm goto' with outputs miscompiles certain code sequences:
+ *
+ * https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110420
+ * https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110422
+ *
+ * Work it around via the same compiler barrier quirk that we used
+ * to use for the old 'asm goto' workaround.
+ *
+ * Also, always mark such 'asm goto' statements as volatile: all
+ * asm goto statements are supposed to be volatile as per the
+ * documentation, but some versions of gcc didn't actually do
+ * that for asms with outputs:
+ *
+ * https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98619
+ */
+#define asm_goto_output(x...) \
+ do { asm volatile goto(x); asm (""); } while (0)
+
#if defined(CONFIG_ARCH_USE_BUILTIN_BSWAP)
#define __HAVE_BUILTIN_BSWAP32__
#define __HAVE_BUILTIN_BSWAP64__
diff --git a/include/linux/compiler_types.h b/include/linux/compiler_types.h
index 6f1ca49306d2..663d8791c871 100644
--- a/include/linux/compiler_types.h
+++ b/include/linux/compiler_types.h
@@ -362,8 +362,8 @@ struct ftrace_likely_data {
#define __member_size(p) __builtin_object_size(p, 1)
#endif
-#ifndef asm_volatile_goto
-#define asm_volatile_goto(x...) asm goto(x)
+#ifndef asm_goto_output
+#define asm_goto_output(x...) asm goto(x)
#endif
#ifdef CONFIG_CC_HAS_ASM_INLINE
diff --git a/include/linux/cper.h b/include/linux/cper.h
index c1a7dc325121..265b0f8fc0b3 100644
--- a/include/linux/cper.h
+++ b/include/linux/cper.h
@@ -90,6 +90,29 @@ enum {
GUID_INIT(0x667DD791, 0xC6B3, 0x4c27, 0x8A, 0x6B, 0x0F, 0x8E, \
0x72, 0x2D, 0xEB, 0x41)
+/* CXL Event record UUIDs are formatted as GUIDs and reported in section type */
+/*
+ * General Media Event Record
+ * CXL rev 3.0 Section 8.2.9.2.1.1; Table 8-43
+ */
+#define CPER_SEC_CXL_GEN_MEDIA_GUID \
+ GUID_INIT(0xfbcd0a77, 0xc260, 0x417f, \
+ 0x85, 0xa9, 0x08, 0x8b, 0x16, 0x21, 0xeb, 0xa6)
+/*
+ * DRAM Event Record
+ * CXL rev 3.0 section 8.2.9.2.1.2; Table 8-44
+ */
+#define CPER_SEC_CXL_DRAM_GUID \
+ GUID_INIT(0x601dcbb3, 0x9c06, 0x4eab, \
+ 0xb8, 0xaf, 0x4e, 0x9b, 0xfb, 0x5c, 0x96, 0x24)
+/*
+ * Memory Module Event Record
+ * CXL rev 3.0 section 8.2.9.2.1.3; Table 8-45
+ */
+#define CPER_SEC_CXL_MEM_MODULE_GUID \
+ GUID_INIT(0xfe927475, 0xdd59, 0x4339, \
+ 0xa5, 0x86, 0x79, 0xba, 0xb1, 0x13, 0xb7, 0x74)
+
/*
* Flags bits definitions for flags in struct cper_record_header
* If set, the error has been recovered
diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h
index 87e3bedf8eb0..641c4567cfa7 100644
--- a/include/linux/hrtimer.h
+++ b/include/linux/hrtimer.h
@@ -157,6 +157,7 @@ enum hrtimer_base_type {
* @max_hang_time: Maximum time spent in hrtimer_interrupt
* @softirq_expiry_lock: Lock which is taken while softirq based hrtimer are
* expired
+ * @online: CPU is online from an hrtimers point of view
* @timer_waiters: A hrtimer_cancel() invocation waits for the timer
* callback to finish.
* @expires_next: absolute time of the next event, is required for remote
@@ -179,7 +180,8 @@ struct hrtimer_cpu_base {
unsigned int hres_active : 1,
in_hrtirq : 1,
hang_detected : 1,
- softirq_activated : 1;
+ softirq_activated : 1,
+ online : 1;
#ifdef CONFIG_HIGH_RES_TIMERS
unsigned int nr_events;
unsigned short nr_retries;