From nobody Tue Sep 15 14:06:59 2026 X-Original-To: dev-commits-src-main@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4hkkNM6Nnpz6sH0p for ; Tue, 15 Sep 2026 14:06:59 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange x25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "YR2" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4hkkNM4jbPz4GV8 for ; Tue, 15 Sep 2026 14:06:59 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1789481219; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=OXFUPVA9ffxV8u0l+KLMAYKsXSeX5NKBMi6cDe9UF8w=; b=mXJVx51Rw0RQ2YZlKakHUo7wq2VM1kuvMn7/hv6ALsrMOO60WUwVjH1ZWfdBIk7EcBDtSL C7oCqV3nUcQl3zm6SCO+kBirKEKArCJtH6/a8CINhuEBDcdVYricO7oy3X2q7Wwj2rNXyl QtABCGJzlWoXqyFbJUNXltkNNbrAsnyXvooDLQWVnq4ZXmwzsnnGSAGJf46PSqWVr7R6qf MDaw/V1YIVJp4Eqoke5zHwB9MvBC1SekXQWIAUbIE0qcDdiCZ0UouvvxfgjDjB63iAm4z6 pzI1+O4opDQsd9GaulCd4oi1rfMVpN97FLa0lVsu5mSSyFeW3JEEEx8mw4A8OA== ARC-Seal: i=1; a=rsa-sha256; d=freebsd.org; s=dkim; cv=none; t=1789481219; b=eeyTkC3vmJP/jjCgBZQBIVZ2sP7G4U1HNsF/5uwp7N4qne9H/316+b1hjwkBzpRQGEsdfc uWgC+JlRkAR07leugiE2Y6jcMhUtEnnVYBC8h6KdzvFUj5zuG6fk4DEvxQbgWdzVD49zsb EtM4hlWQOtTeW7puonObqyVL+3cHDTHXTp+lyLdBJbB0zarMFMLTFoxtmveKZlYgVfejKB nbVQBFty6djF2S8CAQ9pu3LbB8DFu55m2pUa28+f2/fkZPG8jY6x5tRFbfqw4CmjhpQmYH X6YAiFax8dhpVwCltjtZdccAI23+m+CyB8w6i3iFDwb16+Eh+E6rYUs9tPLdjQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1789481219; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=OXFUPVA9ffxV8u0l+KLMAYKsXSeX5NKBMi6cDe9UF8w=; b=A1dDplXZCOhoY0/A3Pmt44l/oMH1rQpjaBGWxIUVtD0fHfAmN+bunqxaTbjt9xXhV11jni XYv2+0g9KmiJoOhhiDgZXz4jULU+6Z1143jTEk+m1/jTr36vB5S+XEstvBjwfafraWrfOH 1H+ncNOkWqhTztA/W+WOxWVymNsaoGCytstBAF4Y0h8AlZ1r6PF5PNAhPiAiX1qIfSiBSq QYJnuJ7+oVR0ArX0Ukn/zdVqkLol6wEhmGFvoXjCDz5hJxbLqr8a6/Sk/W2Vo6gs565xZz CQQysMHB3dRnjU/tmBPmKYPOGbMszNxpACHCJOc4hGDOMyoj6HCrMkqy4yHLLw== ARC-Authentication-Results: i=1; mx1.freebsd.org; none Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) by mxrelay.nyi.freebsd.org (Postfix) with ESMTP id 4hkkNM3pZtz13Dw for ; Tue, 15 Sep 2026 14:06:59 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from git (uid 1279) (envelope-from git@FreeBSD.org) id 32f1a by gitrepo.freebsd.org (DragonFly Mail Agent v0.13+ on gitrepo.freebsd.org); Tue, 15 Sep 2026 14:06:59 +0000 To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Minsoo Choo Subject: git: 99ed9753a5c5 - main - riscv: Preserve savectx return address with vector support List-Id: Commit messages for the main branch of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-main List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-main@freebsd.org Sender: owner-dev-commits-src-main@FreeBSD.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: mchoo X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: 99ed9753a5c5c5262a0ed1464c701cde174b55fd Auto-Submitted: auto-generated Date: Tue, 15 Sep 2026 14:06:59 +0000 Message-Id: <6aa95103.32f1a.240b54e9@gitrepo.freebsd.org> The branch main has been updated by mchoo: URL: https://cgit.FreeBSD.org/src/commit/?id=99ed9753a5c5c5262a0ed1464c701cde174b55fd commit 99ed9753a5c5c5262a0ed1464c701cde174b55fd Author: Minsoo Choo AuthorDate: 2026-09-15 01:13:31 +0000 Commit: Minsoo Choo CommitDate: 2026-09-15 14:06:40 +0000 riscv: Preserve savectx return address with vector support Calling vector_state_store_savectx() overwrites ra with the address of the following ret instruction. The ret consequently branches to itself and prevents kernel dumps from progressing past dump_savectx(). Tail-call vector_state_store_savectx() so that it returns directly to the original savectx() caller. Reviewed by: br, jrtc27 Approved by: jrtc27 Fixes: d7a393095cfd ("riscv: Vector Extension (RVV) support.") Sponsored by: FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D59689 --- sys/riscv/riscv/swtch.S | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/sys/riscv/riscv/swtch.S b/sys/riscv/riscv/swtch.S index b7b2e1ec9dd3..0c14bb9669ab 100644 --- a/sys/riscv/riscv/swtch.S +++ b/sys/riscv/riscv/swtch.S @@ -505,6 +505,5 @@ ENTRY(savectx) sd s11, (PCB_S + 11 * 8)(a0) __fpe_state_save a0 - call _C_LABEL(vector_state_store_savectx) - ret + tail _C_LABEL(vector_state_store_savectx) END(savectx)