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Sun, 03 May 2026 13:22:22 +0000 Content-Type: multipart/mixed; boundary="===============7506364338361544845==" MIME-Version: 1.0 From: Alexander Korotkov To: pgsql-committers@lists.postgresql.org Subject: pgsql: Fix memory ordering in WAIT FOR LSN wakeup mechanism X-Auto-Response-Suppress: All Auto-Submitted: auto-generated Message-Id: Date: Sun, 03 May 2026 13:22:22 +0000 List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk --===============7506364338361544845== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Rml4IG1lbW9yeSBvcmRlcmluZyBpbiBXQUlUIEZPUiBMU04gd2FrZXVwIG1lY2hhbmlzbQoKV0FJ VCBGT1IgTFNOIHVzZXMgYSBEZWtrZXItc3R5bGUgaGFuZHNoYWtlOiB0aGUgd2FrZXIgc3RvcmVz IGFuIExTTgpwb3NpdGlvbiB0aGVuIHJlYWRzIG1pbldhaXRlZExTTjsgdGhlIHdhaXRlciBzdG9y ZXMgaXRzIHRhcmdldCBpbnRvCm1pbldhaXRlZExTTiB0aGVuIHJlYWRzIHRoZSBwb3NpdGlvbi4g IFdpdGhvdXQgYSBiYXJyaWVyIGJldHdlZW4gZWFjaApzaWRlJ3Mgc3RvcmUgYW5kIGxvYWQsIGEg Q1BVIG1heSBzYXRpc2Z5IHRoZSBsb2FkIGJlZm9yZSB0aGUgc3RvcmUKYmVjb21lcyBnbG9iYWxs eSB2aXNpYmxlLCBjYXVzaW5nIGVpdGhlciBzaWRlIHRvIG1pc3MgYSBjb25jdXJyZW50CnVwZGF0 ZS4gIFRoZSByZXN1bHQgaXMgYSBtaXNzZWQgd2FrZXVwOiB0aGUgd2FpdGVyIHNsZWVwcyBpbmRl ZmluaXRlbHkKdW50aWwgdGhlIG5leHQgdW5yZWxhdGVkIGV2ZW50LgoKRml4IGJ5IGVtYmVkZGlu ZyB0aGUgcmVxdWlyZWQgYmFycmllcnMgaW50byB0aGUgYXRvbWljIG9wZXJhdGlvbnMgb24KbWlu V2FpdGVkTFNOOgoKLSBJbiB1cGRhdGVNaW5XYWl0ZWRMU04oKSwgdXNlIHBnX2F0b21pY193cml0 ZV9tZW1iYXJyaWVyX3U2NCgpIHNvIHRoZQogIHdhaXRlcidzIHByZWNlZGluZyBoZWFwIHVwZGF0 ZSBpcyB2aXNpYmxlIGJlZm9yZSB0aGUgbmV3IG1pbldhaXRlZExTTgogIHZhbHVlIGlzIHB1Ymxp c2hlZC4KCi0gSW4gV2FpdExTTldha2V1cCgpLCB1c2UgcGdfYXRvbWljX3JlYWRfbWVtYmFycmll cl91NjQoKSBpbiB0aGUKICBmYXN0LXBhdGggY2hlY2sgc28gdGhlIHdha2VyJ3MgcHJlY2VkaW5n IHBvc2l0aW9uIHN0b3JlIGlzIGdsb2JhbGx5CiAgdmlzaWJsZSBiZWZvcmUgbWluV2FpdGVkTFNO IGlzIHJlYWQuCgpUaGUgd2FpdGVyIHNpZGUgaXMgYWxzbyBjb3ZlcmVkIGJ5IHRoZSBiYXJyaWVy IHNlbWFudGljcyBhbHJlYWR5IHByZXNlbnQKaW4gR2V0Q3VycmVudExTTkZvcldhaXRUeXBlKCk6 IEdldFdhbFJjdldyaXRlUmVjUHRyKCkgdXNlcyBhbiBleHBsaWNpdApyZWFkIGJhcnJpZXIgKGZy b20gcGF0Y2ggMDAwMSksIHdoaWxlIHRoZSByZW1haW5pbmcgZ2V0dGVycyBhY3F1aXJlIGEKc3Bp bmxvY2ssIHdoaWNoIGltcGxpZXMgdGhlIHNhbWUgb3JkZXJpbmcuCgpBbHNvIGNhbGwgUmVzZXRM YXRjaCgpIHVuY29uZGl0aW9uYWxseSBhZnRlciBXYWl0TGF0Y2goKSwgZm9sbG93aW5nIHRoZQpz dGFuZGFyZCBsYXRjaCBsb29wIHBhdHRlcm4uICBXYWl0TGF0Y2goKSBkb2VzIG5vdCBndWFyYW50 ZWUgdGhhdCBhbGwKc2ltdWx0YW5lb3VzbHkgdHJ1ZSB3YWtlIGNvbmRpdGlvbnMgYXJlIHJlcG9y dGVkIGluIG9uZSByZXR1cm4sIHNvIGEKdGltZW91dCBjYW4gcmFjZSB3aXRoIFNldExhdGNoKCku ICBJZiB3ZSBza2lwIFJlc2V0TGF0Y2goKSBvbiBhIHRpbWVvdXQKcmV0dXJuLCB0aGUgY29kZSBw ZXJmb3JtcyBmdXJ0aGVyIGFzeW5jaHJvbm91cy1zdGF0ZSBjaGVja3MgYmVmb3JlCmNvbnN1bWlu ZyB0aGUgbGF0Y2gsIHZpb2xhdGluZyB0aGUgbGF0Y2ggQVBJJ3MgcmVxdWlyZWQgd2FpdC9yZXNl dApwYXR0ZXJuLiAgVGhhdCBjYW4gbGVhdmUgdGhlIGxhdGNoIHNldCBhY3Jvc3MgbG9vcCBleGl0 IGFuZCBjYXVzZSBhCmxhdGVyIHVucmVsYXRlZCBXYWl0TGF0Y2goKSBpbiB0aGUgc2FtZSBiYWNr ZW5kIHRvIHJldHVybiBpbW1lZGlhdGVseS4KClJlcG9ydGVkLWJ5OiBBbmRyZXMgRnJldW5kIDxh bmRyZXNAYW5hcmF6ZWwuZGU+CkRpc2N1c3Npb246IGh0dHBzOi8vcG9zdGdyLmVzL20venFicHB1 Y3Bta2VxZWNmeTRzNWtzY25ydTR0Yms2a2hwM296cXo2YWQyemlqejM1NGslNDB3NGJkZjR6M3dx b3oKQXV0aG9yOiBYdW5lbmcgWmhvdSA8eHVuZW5nemhvdUBnbWFpbC5jb20+ClJldmlld2VkLWJ5 OiBBbmRyZXMgRnJldW5kIDxhbmRyZXNAYW5hcmF6ZWwuZGU+ClJldmlld2VkLWJ5OiBBbGV4YW5k ZXIgS29yb3Rrb3YgPGFla29yb3Rrb3ZAZ21haWwuY29tPgoKQnJhbmNoCi0tLS0tLQptYXN0ZXIK CkRldGFpbHMKLS0tLS0tLQpodHRwczovL2dpdC5wb3N0Z3Jlc3FsLm9yZy9wZy9jb21taXRkaWZm L2E4MGE1OTNhYjYzNjk2YTBhZDBlNWMxMGI5ZTFiOTlhYWE5ODAzMmUKCk1vZGlmaWVkIEZpbGVz Ci0tLS0tLS0tLS0tLS0tCnNyYy9iYWNrZW5kL2FjY2Vzcy90cmFuc2FtL3hsb2d3YWl0LmMgfCAx OSArKysrKysrKysrKysrLS0tLS0tCjEgZmlsZSBjaGFuZ2VkLCAxMyBpbnNlcnRpb25zKCspLCA2 IGRlbGV0aW9ucygtKQoK --===============7506364338361544845==--