From nobody Wed Feb 05 09:34:42 2025 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 4Ynw771Yp8z5mSw2; Wed, 05 Feb 2025 09:34:43 +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 "R11" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4Ynw7647hkz3VnL; Wed, 05 Feb 2025 09:34:42 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1738748082; 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=q5iuQ7/der2R3Atty9zFhRVoO1jnM+dM2aTScnoTmEo=; b=gfunMs/gwnCO/CaZsQfcjVaIdbiybDfRhuEju68m0qDCrT5jsPbp8cw0y31gmBLV+NtwcN EDc6N0RY8AMtj/jF5LpUDT9vLYnC8K36HJ1P9/LHPCEecnC7kDqEo7dVCNxgJJMo1aETsi N2/XKWrmKVh1KmugEN2HcnrW+L7HwU3T6UoYUlo0hSGBzavJkt7hBl/fu5j7n7vAP7hT6s nIslrgr5pgN1RxUwAyFXoGnV2U1RqfkofWtoPrpEsItvLxaN/QNcSMYnEGwGVFzBAt3L9b PSS+1sZBd63cxv6n497EOdCaWP77CIP7wxfUCFoYrkBlxWgJN/fvyyEOzmC6lg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1738748082; 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=q5iuQ7/der2R3Atty9zFhRVoO1jnM+dM2aTScnoTmEo=; b=ete1CUMxHe8RgSDRa+zNBAwLwTGb0tBhkcW04uC6sO2dFLwVzvSEA6M33Tzx66k6GjleDA gCQK2Tt92D6ecOiLlvrMjKKWs/XR91po8Nmp7HvUQUcieargreM2HJEMO2cpEdw5A/9K88 a6hk3q9Eqi1E+0FyYSVi7Fp695l3+u07HHgZFUx2KMYFjpP5B5cVbO/jd1tJf4VYUHXEgm pekGlYJEhK9e1EtAmx4FrpADa22yrPB4ho2pZo9TqkEH/rOtEJaBp13F4sherDGidJPgwq bjb7NZvTjeI2/8GGRSGSyv9BcvX377csPw8qTKJ+8xAqAwf6nWHZOo0b/kYrvQ== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1738748082; a=rsa-sha256; cv=none; b=jBrf5IHU146R6rjPwiIQpimix8/RvpQ1AQUCUUoWRvwjNy1OB/lNZ5ofkrupFpEKLVs+e6 GzswCo345M+4YynFa0DrYKubjSXeLXso4i5swut0M9Soh2SMzq39Vq0cxkztwLSTokAYgl Xjx9PJtZYIRd7gmZYJ89bD8Zn/x73qP/zKoqo2PPEPPPOLddCccqQJ1uq3soLC7OqPE42a dVntcl/Mta6WPvxF2GXl+lWtMWF+crZKUz1972KZJX9yMU3hw6qS8R+0EqI+eIzmthXMf0 ujoWjjJOysThvrFNjvh8Lzx1d3OSuUknDO/MHCDuYE01t5E3jnmp0FmyO6dlhQ== ARC-Authentication-Results: i=1; mx1.freebsd.org; none Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) (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 did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 4Ynw763lT0zmtZ; Wed, 05 Feb 2025 09:34:42 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.18.1/8.18.1) with ESMTP id 5159Ygro025646; Wed, 5 Feb 2025 09:34:42 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.18.1/8.18.1/Submit) id 5159Yg7M025643; Wed, 5 Feb 2025 09:34:42 GMT (envelope-from git) Date: Wed, 5 Feb 2025 09:34:42 GMT Message-Id: <202502050934.5159Yg7M025643@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Ruslan Bukin Subject: git: 6492ef7b832c - main - bhyve: Sleep for a short period after VM_EXITCODE_DEBUG exits 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 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: br X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: 6492ef7b832c9dcb07784aaf752cb71682bd0444 Auto-Submitted: auto-generated The branch main has been updated by br: URL: https://cgit.FreeBSD.org/src/commit/?id=6492ef7b832c9dcb07784aaf752cb71682bd0444 commit 6492ef7b832c9dcb07784aaf752cb71682bd0444 Author: Ruslan Bukin AuthorDate: 2025-02-05 09:30:50 +0000 Commit: Ruslan Bukin CommitDate: 2025-02-05 09:30:58 +0000 bhyve: Sleep for a short period after VM_EXITCODE_DEBUG exits Apply 2e2b8afa52da6 for RISC-V: As on amd64 and aarch64 APs will repeatedly exit until they are brought online, so this hack helps avoid burning CPU time during guest bootup. Reviewed by: corvink, markj Differential Revision: https://reviews.freebsd.org/D48811 --- usr.sbin/bhyve/riscv/vmexit.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/usr.sbin/bhyve/riscv/vmexit.c b/usr.sbin/bhyve/riscv/vmexit.c index e2efd53bdede..233dba9f3c7f 100644 --- a/usr.sbin/bhyve/riscv/vmexit.c +++ b/usr.sbin/bhyve/riscv/vmexit.c @@ -47,6 +47,7 @@ #include #include #include +#include #include @@ -135,6 +136,12 @@ vmexit_debug(struct vmctx *ctx __unused, struct vcpu *vcpu __unused, struct vm_run *vmrun __unused) { + /* + * XXX-MJ sleep for a short period to avoid chewing up the CPU in the + * window between activation of the vCPU thread and the + * SBI_HSM_HART_START request. + */ + usleep(1000); return (VMEXIT_CONTINUE); }