From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-181.mta1.migadu.com (out-181.mta1.migadu.com [95.215.58.181]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 87FA286337 for ; Thu, 19 Dec 2024 22:41:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=95.215.58.181 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734648094; cv=none; b=H+nMnyl0YZXv8GjFtEaG1Q+HjeqF3nJ+pxdoK25mkt1rlEZSQQ7Q+xZ2WP6pe64NReNOtLgLYWXWyQ8KZXM/q/PkLpEvNl7qadIcJ7C25fe9aGa8ic+uwHnq2IwkvqWVT/ZOdCOChrz2dmq5tXAa+B19sF2PAPjMAsEu5r3pn6Q= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734648094; c=relaxed/simple; bh=A0MhLpSiMF4ZePZea+uSqFHeDaf11vXo7n45NZDp2Gk=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=OPiwxf3TVUr25QN3sdmUUQQfcrYo3afaX4djneFWtwBcplE9xU72huisUEAhvu5CRp1dbamZgNe4S6fzoD03qxLIloJjvE135pQfOTyODYAHZGBbt/3SNntGVvhFFbNwt+nvdJZrYtWoQBzQIXfiOPAKfw5dvKC5WtpWpGtEgNs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=d/dOYj+l; arc=none smtp.client-ip=95.215.58.181 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="d/dOYj+l" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1734648089; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=0shyY7uBauV1x/cJdXNQ64sx5nTB7qDurpNjEd/bPw8=; b=d/dOYj+lat4ghlulcaX3MZRR0Z6RXKHZ6ZlriQn70RhKVVxlZnib8VvCllvCdM/uMGKsAq MZnbyDE+C2YDMhONtiBiNNvWD5Y7X5jO8Cg1VXXTUptVk23rgCQe+UXAWu6BnI4jZ/kAsF 8bZKzN6GatPkVKyGsFJ1P8l0CLCbQ0A= From: Oliver Upton To: kvmarm@lists.linux.dev Cc: Marc Zyngier , Joey Gouly , Suzuki K Poulose , Zenghui Yu , Mingwei Zhang , Colton Lewis , Raghavendra Rao Ananta , James Clark , Oliver Upton Subject: [PATCH v4 00/19] KVM: arm64: Debug cleanups Date: Thu, 19 Dec 2024 14:40:57 -0800 Message-Id: <20241219224116.3941496-1-oliver.upton@linux.dev> Precedence: bulk X-Mailing-List: kvmarm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT Hopefully the last spin! Addressed some review comments, and snuck in one more cleanup to the sysreg handlers since that was quite a mess too. v3 -> v4: - Collect Tested-by tags from James (thanks!) - Delete stray if condition, second attempt (Marc) - Hoist writes to MDCR_EL2 into kvm_arm_setup_mdcr_el2() - Get rid of the sysreg accessor mess for DBGxVR/DBGxCR v3: https://lore.kernel.org/kvmarm/20241209180926.2161373-1-oliver.upton@linux.dev/ Oliver Upton (19): KVM: arm64: Drop MDSCR_EL1_DEBUG_MASK KVM: arm64: Get rid of __kvm_get_mdcr_el2() and related warts KVM: arm64: Track presence of SPE/TRBE in kvm_host_data instead of vCPU KVM: arm64: Move host SME/SVE tracking flags to host data KVM: arm64: Write MDCR_EL2 directly from kvm_arm_setup_mdcr_el2() KVM: arm64: Evaluate debug owner at vcpu_load() KVM: arm64: Clean up KVM_SET_GUEST_DEBUG handler KVM: arm64: Select debug state to save/restore based on debug owner KVM: arm64: Remove debug tracepoints KVM: arm64: Remove vestiges of debug_ptr KVM: arm64: Use debug_owner to track if debug regs need save/restore KVM: arm64: Reload vCPU for accesses to OSLAR_EL1 KVM: arm64: Compute MDCR_EL2 at vcpu_load() KVM: arm64: Don't hijack guest context MDSCR_EL1 KVM: arm64: Manage software step state at load/put KVM: arm64: nv: Honor MDCR_EL2.TDE routing for debug exceptions KVM: arm64: Avoid reading ID_AA64DFR0_EL1 for debug save/restore KVM: arm64: Fold DBGxVR/DBGxCR accessors into common set KVM: arm64: Promote guest ownership for DBGxVR/DBGxCR reads arch/arm64/include/asm/kvm_asm.h | 5 +- arch/arm64/include/asm/kvm_host.h | 94 ++--- arch/arm64/include/asm/kvm_nested.h | 1 + arch/arm64/kvm/arm.c | 14 +- arch/arm64/kvm/debug.c | 380 +++++++-------------- arch/arm64/kvm/emulate-nested.c | 23 +- arch/arm64/kvm/fpsimd.c | 12 +- arch/arm64/kvm/guest.c | 31 +- arch/arm64/kvm/handle_exit.c | 5 +- arch/arm64/kvm/hyp/include/hyp/debug-sr.h | 42 +-- arch/arm64/kvm/hyp/include/hyp/sysreg-sr.h | 43 ++- arch/arm64/kvm/hyp/nvhe/debug-sr.c | 13 +- arch/arm64/kvm/hyp/nvhe/hyp-main.c | 8 - arch/arm64/kvm/hyp/vhe/debug-sr.c | 5 - arch/arm64/kvm/sys_regs.c | 249 ++++---------- arch/arm64/kvm/trace_handle_exit.h | 75 ---- 16 files changed, 350 insertions(+), 650 deletions(-) base-commit: 78d4f34e2115b517bcbfe7ec0d018bbbb6f9b0b8 -- 2.39.5