Context |
Check |
Description |
bpf/vmtest-bpf-next-VM_Test-1 |
success
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Logs for ShellCheck
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bpf/vmtest-bpf-next-VM_Test-2 |
success
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Logs for Unittests
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bpf/vmtest-bpf-next-VM_Test-0 |
success
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Logs for Lint
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bpf/vmtest-bpf-next-VM_Test-3 |
success
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Logs for Validate matrix.py
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bpf/vmtest-bpf-next-VM_Test-5 |
success
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Logs for aarch64-gcc / build-release
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bpf/vmtest-bpf-next-VM_Test-9 |
success
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Logs for aarch64-gcc / test (test_verifier, false, 360) / test_verifier on aarch64 with gcc
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bpf/vmtest-bpf-next-VM_Test-6 |
success
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Logs for aarch64-gcc / test (test_maps, false, 360) / test_maps on aarch64 with gcc
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bpf/vmtest-bpf-next-VM_Test-4 |
success
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Logs for aarch64-gcc / build / build for aarch64 with gcc
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bpf/vmtest-bpf-next-VM_Test-11 |
success
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Logs for aarch64-gcc / veristat-meta
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bpf/vmtest-bpf-next-VM_Test-10 |
success
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Logs for aarch64-gcc / veristat-kernel
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bpf/vmtest-bpf-next-VM_Test-12 |
fail
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Logs for s390x-gcc / build / build for s390x with gcc
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bpf/vmtest-bpf-next-VM_Test-13 |
success
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Logs for s390x-gcc / build-release
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bpf/vmtest-bpf-next-VM_Test-14 |
success
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Logs for s390x-gcc / test
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bpf/vmtest-bpf-next-VM_Test-15 |
success
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Logs for s390x-gcc / veristat-kernel
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bpf/vmtest-bpf-next-VM_Test-16 |
success
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Logs for s390x-gcc / veristat-meta
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bpf/vmtest-bpf-next-VM_Test-17 |
success
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Logs for set-matrix
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bpf/vmtest-bpf-next-VM_Test-18 |
success
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Logs for x86_64-gcc / build / build for x86_64 with gcc
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bpf/vmtest-bpf-next-VM_Test-19 |
success
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Logs for x86_64-gcc / build-release
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bpf/vmtest-bpf-next-VM_Test-20 |
success
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Logs for x86_64-gcc / test (test_maps, false, 360) / test_maps on x86_64 with gcc
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bpf/vmtest-bpf-next-VM_Test-23 |
success
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Logs for x86_64-gcc / test (test_progs_no_alu32_parallel, true, 30) / test_progs_no_alu32_parallel on x86_64 with gcc
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bpf/vmtest-bpf-next-VM_Test-24 |
success
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Logs for x86_64-gcc / test (test_progs_parallel, true, 30) / test_progs_parallel on x86_64 with gcc
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bpf/vmtest-bpf-next-VM_Test-25 |
success
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Logs for x86_64-gcc / test (test_verifier, false, 360) / test_verifier on x86_64 with gcc
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bpf/vmtest-bpf-next-VM_Test-26 |
success
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Logs for x86_64-gcc / veristat-kernel / x86_64-gcc veristat_kernel
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bpf/vmtest-bpf-next-VM_Test-27 |
success
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Logs for x86_64-gcc / veristat-meta / x86_64-gcc veristat_meta
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bpf/vmtest-bpf-next-VM_Test-28 |
success
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Logs for x86_64-llvm-17 / build / build for x86_64 with llvm-17
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bpf/vmtest-bpf-next-VM_Test-29 |
success
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Logs for x86_64-llvm-17 / build-release / build for x86_64 with llvm-17-O2
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bpf/vmtest-bpf-next-VM_Test-30 |
success
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Logs for x86_64-llvm-17 / test (test_maps, false, 360) / test_maps on x86_64 with llvm-17
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bpf/vmtest-bpf-next-VM_Test-33 |
success
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Logs for x86_64-llvm-17 / test (test_verifier, false, 360) / test_verifier on x86_64 with llvm-17
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bpf/vmtest-bpf-next-VM_Test-34 |
success
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Logs for x86_64-llvm-17 / veristat-kernel
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bpf/vmtest-bpf-next-VM_Test-35 |
success
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Logs for x86_64-llvm-17 / veristat-meta
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bpf/vmtest-bpf-next-VM_Test-36 |
success
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Logs for x86_64-llvm-18 / build / build for x86_64 with llvm-18
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bpf/vmtest-bpf-next-VM_Test-37 |
success
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Logs for x86_64-llvm-18 / build-release / build for x86_64 with llvm-18-O2
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bpf/vmtest-bpf-next-VM_Test-38 |
success
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Logs for x86_64-llvm-18 / test (test_maps, false, 360) / test_maps on x86_64 with llvm-18
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bpf/vmtest-bpf-next-VM_Test-42 |
success
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Logs for x86_64-llvm-18 / test (test_verifier, false, 360) / test_verifier on x86_64 with llvm-18
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bpf/vmtest-bpf-next-VM_Test-43 |
success
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Logs for x86_64-llvm-18 / veristat-kernel
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bpf/vmtest-bpf-next-VM_Test-44 |
success
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Logs for x86_64-llvm-18 / veristat-meta
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bpf/vmtest-bpf-next-PR |
fail
|
PR summary
|
bpf/vmtest-bpf-next-VM_Test-7 |
fail
|
Logs for aarch64-gcc / test (test_progs, false, 360) / test_progs on aarch64 with gcc
|
bpf/vmtest-bpf-next-VM_Test-8 |
fail
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Logs for aarch64-gcc / test (test_progs_no_alu32, false, 360) / test_progs_no_alu32 on aarch64 with gcc
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bpf/vmtest-bpf-next-VM_Test-21 |
fail
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Logs for x86_64-gcc / test (test_progs, false, 360) / test_progs on x86_64 with gcc
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bpf/vmtest-bpf-next-VM_Test-22 |
fail
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Logs for x86_64-gcc / test (test_progs_no_alu32, false, 360) / test_progs_no_alu32 on x86_64 with gcc
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bpf/vmtest-bpf-next-VM_Test-31 |
fail
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Logs for x86_64-llvm-17 / test (test_progs, false, 360) / test_progs on x86_64 with llvm-17
|
bpf/vmtest-bpf-next-VM_Test-32 |
fail
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Logs for x86_64-llvm-17 / test (test_progs_no_alu32, false, 360) / test_progs_no_alu32 on x86_64 with llvm-17
|
bpf/vmtest-bpf-next-VM_Test-39 |
fail
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Logs for x86_64-llvm-18 / test (test_progs, false, 360) / test_progs on x86_64 with llvm-18
|
bpf/vmtest-bpf-next-VM_Test-40 |
fail
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Logs for x86_64-llvm-18 / test (test_progs_cpuv4, false, 360) / test_progs_cpuv4 on x86_64 with llvm-18
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bpf/vmtest-bpf-next-VM_Test-41 |
fail
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Logs for x86_64-llvm-18 / test (test_progs_no_alu32, false, 360) / test_progs_no_alu32 on x86_64 with llvm-18
|
netdev/series_format |
fail
|
Series longer than 15 patches
|
netdev/tree_selection |
success
|
Clearly marked for bpf-next, async
|
netdev/ynl |
success
|
Generated files up to date;
no warnings/errors;
no diff in generated;
|
netdev/fixes_present |
success
|
Fixes tag not required for -next series
|
netdev/header_inline |
success
|
No static functions without inline keyword in header files
|
netdev/build_32bit |
success
|
Errors and warnings before: 1 this patch: 1
|
netdev/build_tools |
success
|
Errors and warnings before: 0 (+0) this patch: 0 (+0)
|
netdev/cc_maintainers |
warning
|
6 maintainers not CCed: longman@redhat.com will@kernel.org linux-arch@vger.kernel.org arnd@arndb.de boqun.feng@gmail.com mingo@redhat.com
|
netdev/build_clang |
success
|
Errors and warnings before: 2 this patch: 2
|
netdev/verify_signedoff |
success
|
Signed-off-by tag matches author and committer
|
netdev/deprecated_api |
success
|
None detected
|
netdev/check_selftest |
success
|
No net selftest shell script
|
netdev/verify_fixes |
success
|
No Fixes tag
|
netdev/build_allmodconfig_warn |
success
|
Errors and warnings before: 5 this patch: 5
|
netdev/checkpatch |
warning
|
CHECK: extern prototypes should be avoided in .h files
WARNING: line length of 82 exceeds 80 columns
WARNING: line length of 89 exceeds 80 columns
WARNING: line length of 93 exceeds 80 columns
WARNING: line length of 96 exceeds 80 columns
|
netdev/build_clang_rust |
success
|
No Rust files in patch. Skipping build
|
netdev/kdoc |
fail
|
Errors and warnings before: 1 this patch: 2
|
netdev/source_inline |
success
|
Was 0 now: 0
|
@@ -19,6 +19,6 @@ struct qspinlock;
*/
#define RES_DEF_TIMEOUT (NSEC_PER_SEC / 2)
-extern void resilient_queued_spin_lock_slowpath(struct qspinlock *lock, u32 val, u64 timeout);
+extern int resilient_queued_spin_lock_slowpath(struct qspinlock *lock, u32 val, u64 timeout);
#endif /* __ASM_GENERIC_RQSPINLOCK_H */
@@ -49,6 +49,11 @@ LOCK_EVENT(lock_use_node4) /* # of locking ops that use 4th percpu node */
LOCK_EVENT(lock_no_node) /* # of locking ops w/o using percpu node */
#endif /* CONFIG_QUEUED_SPINLOCKS */
+/*
+ * Locking events for Resilient Queued Spin Lock
+ */
+LOCK_EVENT(rqspinlock_lock_timeout) /* # of locking ops that timeout */
+
/*
* Locking events for rwsem
*/
@@ -138,12 +138,12 @@ static DEFINE_PER_CPU_ALIGNED(struct qnode, qnodes[_Q_MAX_NODES]);
* contended : (*,x,y) +--> (*,0,0) ---> (*,0,1) -' :
* queue : ^--' :
*/
-void __lockfunc resilient_queued_spin_lock_slowpath(struct qspinlock *lock, u32 val, u64 timeout)
+int __lockfunc resilient_queued_spin_lock_slowpath(struct qspinlock *lock, u32 val, u64 timeout)
{
struct mcs_spinlock *prev, *next, *node;
struct rqspinlock_timeout ts;
+ int idx, ret = 0;
u32 old, tail;
- int idx;
BUILD_BUG_ON(CONFIG_NR_CPUS >= (1U << _Q_TAIL_CPU_BITS));
@@ -201,8 +201,25 @@ void __lockfunc resilient_queued_spin_lock_slowpath(struct qspinlock *lock, u32
* clear_pending_set_locked() implementations imply full
* barriers.
*/
- if (val & _Q_LOCKED_MASK)
- smp_cond_load_acquire(&lock->locked, !VAL);
+ if (val & _Q_LOCKED_MASK) {
+ RES_RESET_TIMEOUT(ts);
+ smp_cond_load_acquire(&lock->locked, !VAL || RES_CHECK_TIMEOUT(ts, ret));
+ }
+
+ if (ret) {
+ /*
+ * We waited for the locked bit to go back to 0, as the pending
+ * waiter, but timed out. We need to clear the pending bit since
+ * we own it. Once a stuck owner has been recovered, the lock
+ * must be restored to a valid state, hence removing the pending
+ * bit is necessary.
+ *
+ * *,1,* -> *,0,*
+ */
+ clear_pending(lock);
+ lockevent_inc(rqspinlock_lock_timeout);
+ return ret;
+ }
/*
* take ownership and clear the pending bit.
@@ -211,7 +228,7 @@ void __lockfunc resilient_queued_spin_lock_slowpath(struct qspinlock *lock, u32
*/
clear_pending_set_locked(lock);
lockevent_inc(lock_pending);
- return;
+ return 0;
/*
* End of pending bit optimistic spinning and beginning of MCS
@@ -362,5 +379,6 @@ void __lockfunc resilient_queued_spin_lock_slowpath(struct qspinlock *lock, u32
* release the node
*/
__this_cpu_dec(qnodes[0].mcs.count);
+ return 0;
}
EXPORT_SYMBOL(resilient_queued_spin_lock_slowpath);