diff options
| author | Ingo Molnar <[email protected]> | 2021-10-16 15:17:46 +0200 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2021-10-16 15:17:46 +0200 |
| commit | 082f20b21de20285da2cbfc1be29656f0714c1b8 (patch) | |
| tree | 6170af99f1491fe256351b9cf92725dbda79c153 /net/core/dev.c | |
| parent | 724fc0248d450224b19ef5b5ee41e392348f6704 (diff) | |
| parent | b2381acd3fd9bacd2c63f53b2c610c89959b31cc (diff) | |
Merge branch 'x86/urgent' into x86/fpu, to resolve a conflict
Resolve the conflict between these commits:
x86/fpu: 1193f408cd51 ("x86/fpu/signal: Change return type of __fpu_restore_sig() to boolean")
x86/urgent: d298b03506d3 ("x86/fpu: Restore the masking out of reserved MXCSR bits")
b2381acd3fd9 ("x86/fpu: Mask out the invalid MXCSR bits properly")
Conflicts:
arch/x86/kernel/fpu/signal.c
Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'net/core/dev.c')
| -rw-r--r-- | net/core/dev.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/net/core/dev.c b/net/core/dev.c index 74fd402d26dd..7ee9fecd3aff 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -6923,12 +6923,16 @@ EXPORT_SYMBOL(napi_disable); */ void napi_enable(struct napi_struct *n) { - BUG_ON(!test_bit(NAPI_STATE_SCHED, &n->state)); - smp_mb__before_atomic(); - clear_bit(NAPI_STATE_SCHED, &n->state); - clear_bit(NAPI_STATE_NPSVC, &n->state); - if (n->dev->threaded && n->thread) - set_bit(NAPI_STATE_THREADED, &n->state); + unsigned long val, new; + + do { + val = READ_ONCE(n->state); + BUG_ON(!test_bit(NAPI_STATE_SCHED, &val)); + + new = val & ~(NAPIF_STATE_SCHED | NAPIF_STATE_NPSVC); + if (n->dev->threaded && n->thread) + new |= NAPIF_STATE_THREADED; + } while (cmpxchg(&n->state, val, new) != val); } EXPORT_SYMBOL(napi_enable); |