From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:40566) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gMar7-0002di-2R for qemu-devel@nongnu.org; Tue, 13 Nov 2018 10:43:57 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gMar6-0002Xm-5l for qemu-devel@nongnu.org; Tue, 13 Nov 2018 10:43:56 -0500 Received: from mail-wm1-x342.google.com ([2a00:1450:4864:20::342]:51264) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1gMar5-0002C5-TC for qemu-devel@nongnu.org; Tue, 13 Nov 2018 10:43:56 -0500 Received: by mail-wm1-x342.google.com with SMTP id w7-v6so12402582wmc.1 for ; Tue, 13 Nov 2018 07:43:17 -0800 (PST) From: Richard Henderson Date: Tue, 13 Nov 2018 16:42:22 +0100 Message-Id: <20181113154226.14396-1-richard.henderson@linaro.org> Subject: [Qemu-devel] [PATCH v4 0/4] target/arm: KVM vs ARMISARegisters List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: peter.maydell@linaro.org, qemu-arm@nongnu.org My previous patch set for replacing feature bits with id registers failed to consider that these id registers are beginning to control migration, and thus we must fill them in for KVM as well. Thus, we want to initialize these values within CPU from the host. Changes, v3->v4: * Drop THUMB2EE patch; will revisit next development cycle. * Fix aa32 id_isar6 read on old kernels (pmm). Changes, v2->v3: * Work around sysreg read failures from old host kernels. Changes, v1->v2: * Remove assert that AArch32 sysreg <= UINT32_MAX. * Remove unused local variable. * Add commentary for AArch32 sysregs vs missing AArch32 support. r~ Richard Henderson (4): target/arm: Install ARMISARegisters from kvm host target/arm: Fill in ARMISARegisters for kvm64 target/arm: Introduce read_sys_reg32 for kvm32 target/arm: Fill in ARMISARegisters for kvm32 target/arm/kvm_arm.h | 1 + target/arm/kvm.c | 1 + target/arm/kvm32.c | 77 ++++++++++++++++++++++++++++---------------- target/arm/kvm64.c | 62 +++++++++++++++++++++++++++++++++-- 4 files changed, 111 insertions(+), 30 deletions(-) -- 2.17.2