From 76cb841cb886eef6b3bee341a2266c76578724ad Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 6 May 2024 03:02:30 +0200 Subject: Adding upstream version 4.19.249. Signed-off-by: Daniel Baumann --- .../Design/Requirements/GPpartitionReaders1.svg | 374 +++++++++++++++++++++ 1 file changed, 374 insertions(+) create mode 100644 Documentation/RCU/Design/Requirements/GPpartitionReaders1.svg (limited to 'Documentation/RCU/Design/Requirements/GPpartitionReaders1.svg') diff --git a/Documentation/RCU/Design/Requirements/GPpartitionReaders1.svg b/Documentation/RCU/Design/Requirements/GPpartitionReaders1.svg new file mode 100644 index 000000000..4b4014fda --- /dev/null +++ b/Documentation/RCU/Design/Requirements/GPpartitionReaders1.svg @@ -0,0 +1,374 @@ + + + + + + + + + + + + + + + + + image/svg+xml + + + + + + + + synchronize_rcu() + + + + + + + WRITE_ONCE(a, 1); + WRITE_ONCE(b, 1); + r1 = READ_ONCE(a); + WRITE_ONCE(c, 1); + r2 = READ_ONCE(b); + r3 = READ_ONCE(c); + thread0() + thread1() + thread2() + + + + rcu_read_lock(); + rcu_read_lock(); + rcu_read_unlock(); + rcu_read_unlock(); + + QS + + QS + + + QS + + -- cgit v1.2.3