From nobody Mon Aug 4 11:15:15 2025 X-Original-To: dev-commits-src-all@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 4bwYr34mClz63vvP; Mon, 04 Aug 2025 11:15:15 +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 "R10" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4bwYr338jbz3G5F; Mon, 04 Aug 2025 11:15:15 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1754306115; 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=GNWC1rI33xNaDEKpvh5JjEw6SmeajZzrCY5p1SP9jJA=; b=tD+Xdd0Upy/r99ftFSN+ayPjQA248TX0npyZpOE9wQUdGBwc25tXHeIudBYp9yTQQRndZp vp5gXUM+sNzicBa1/vsSLbujV0o5CW4tKE8vgoW0azrOJga2+K0xPE2beqrRq6QrsPS51+ m8E0GSm8aFS1q+RUKiVAiS2stpYWyffL++ZJa2XuzX2bIwq2NhsslQDSizVZxSGbLPJXkt HTNcuONCrad327EKOgezSRTVhHKC3llqJWayBMPmetNVg3ZUB4kWECcQZQNI7x+OkD+Oas JHsEfUbnVbJMoWex4EXCiFjVN2sG8koxY80J23PE+dbIvEcNT1+Yl3uAb5WWnQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1754306115; 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=GNWC1rI33xNaDEKpvh5JjEw6SmeajZzrCY5p1SP9jJA=; b=Rb1o8dk6mY3P6vyfuAM1f8czRCopwspiimi7BqdgLgAXZSAXMGtkgqSt4Bai/FheD7Hzmd 8Rz3Ekx/beMIfHaQb0QizI81DHkbu/J0IRJFZgfZMUaLc1nZog4pTaK6EmSJXT6Ek9g2Xh r0iyt02mS/B0524QlFKFAc8vN9z5RpHbsDa3Lby8sq7hlpDwTx9H+0MZ2mCuJGCFhhUDce rLZ/gIVUQXX9gHCJi3AxB9qt+GsPJQj5G8Cuv1Cjxqkx4IT9xvuzLxIuYE2FGAvmVnmXeL yLC7Zrrq8O78nxpVrw1Xj0pl7vPgifHSe9EBAj2XbgXghdd54Fdj5VykVgSCXw== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1754306115; a=rsa-sha256; cv=none; b=rTv/HG/rxS6DnRRp/YwPjIoeO4JI2MfVejByYTmf8k1UIqcryRRXUsOxx04vYXekpt8WaX HPbtX/WHc+fqDb1OyQGwPxmY714LwTbAes8LGXRSfYO8AvrTWuPsqv9ZcIQH59JR+PIX5A nAwTz30n00r++fKKjrFEdSxs8Dsq12OGzYWFutZ62ZFqI9+/i3NCqVKPpjYNRsC4E8EmTT hyYrU8m3O1JCJZQEcPkfipWlz1ef8uyu9RRQj8Oer2mfVKETIdM4cEodGafvoFyXZ7Ikk2 XHzGDfeR/ijngRxzjzieaytm8ESlMxR1rjBEJiEQFZ2SNxmh9GZl4jy37LUbsw== 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 4bwYr32JW7zmtN; Mon, 04 Aug 2025 11:15:15 +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 574BFFw1035918; Mon, 4 Aug 2025 11:15:15 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.18.1/8.18.1/Submit) id 574BFFxv035915; Mon, 4 Aug 2025 11:15:15 GMT (envelope-from git) Date: Mon, 4 Aug 2025 11:15:15 GMT Message-Id: <202508041115.574BFFxv035915@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Andrew Turner Subject: git: 05e834d5dae4 - main - arm64: Use xzr directly to set HCRX_EL2 List-Id: Commit messages for all branches of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-all List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-all@freebsd.org Sender: owner-dev-commits-src-all@FreeBSD.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: andrew X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: 05e834d5dae4c963f92cfb98720c358e1eb6e37e Auto-Submitted: auto-generated The branch main has been updated by andrew: URL: https://cgit.FreeBSD.org/src/commit/?id=05e834d5dae4c963f92cfb98720c358e1eb6e37e commit 05e834d5dae4c963f92cfb98720c358e1eb6e37e Author: Andrew Turner AuthorDate: 2025-07-30 22:07:25 +0000 Commit: Andrew Turner CommitDate: 2025-07-30 22:33:27 +0000 arm64: Use xzr directly to set HCRX_EL2 There is no need to zero another register, just use the zero register directly. Sponsored by: Arm Ltd Differential Revision: https://reviews.freebsd.org/D51378 --- sys/arm64/arm64/locore.S | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/sys/arm64/arm64/locore.S b/sys/arm64/arm64/locore.S index 47c609fad523..f200195906ac 100644 --- a/sys/arm64/arm64/locore.S +++ b/sys/arm64/arm64/locore.S @@ -415,8 +415,7 @@ LENTRY(enter_kernel_el) */ CHECK_CPU_FEAT(x2, ID_AA64MMFR1, HCX, IMPL, 2f) /* Extended Hypervisor Configuration */ - mov x2, xzr - msr HCRX_EL2_REG, x2 + msr HCRX_EL2_REG, xzr isb 2: