From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:56546) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Zvl4A-0005uF-2F for qemu-devel@nongnu.org; Mon, 09 Nov 2015 06:56:55 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Zvl48-0006Xj-9F for qemu-devel@nongnu.org; Mon, 09 Nov 2015 06:56:53 -0500 Received: from mga03.intel.com ([134.134.136.65]:37411) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Zvl48-0006Xe-39 for qemu-devel@nongnu.org; Mon, 09 Nov 2015 06:56:52 -0500 From: Huaitong Han Date: Mon, 9 Nov 2015 19:55:34 +0800 Message-Id: <1447070134-4324-4-git-send-email-huaitong.han@intel.com> In-Reply-To: <1447070134-4324-1-git-send-email-huaitong.han@intel.com> References: <1447070134-4324-1-git-send-email-huaitong.han@intel.com> Subject: [Qemu-devel] [PATCH 3/3] qemu, pkeys: add pkeys support for qemu migration List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: pbonzini@redhat.com, rth@twiddle.net, afaerber@suse.de, ehabkost@redhat.com Cc: Huaitong Han , qemu-devel@nongnu.org, kvm@vger.kernel.org This patch adds pkeys support for qemu migration. Signed-off-by: Huaitong Han --- target-i386/machine.c | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/target-i386/machine.c b/target-i386/machine.c index a0df64b..1b190c7 100644 --- a/target-i386/machine.c +++ b/target-i386/machine.c @@ -725,6 +725,26 @@ static const VMStateDescription vmstate_xss = { VMSTATE_END_OF_LIST() } }; +#ifdef TARGET_X86_64 +static bool pkru_needed(void *opaque) +{ + X86CPU *cpu = opaque; + CPUX86State *env = &cpu->env; + + return env->pkru != 0; +} + +static const VMStateDescription vmstate_pkru = { + .name = "cpu/pkru", + .version_id = 1, + .minimum_version_id = 1, + .needed = pkru_needed, + .fields = (VMStateField[]){ + VMSTATE_UINT32(env.pkru, X86CPU), + VMSTATE_END_OF_LIST() + } +}; +#endif VMStateDescription vmstate_x86_cpu = { .name = "cpu", @@ -844,6 +864,9 @@ VMStateDescription vmstate_x86_cpu = { &vmstate_msr_hyperv_time, &vmstate_avx512, &vmstate_xss, +#ifdef TARGET_X86_64 + &vmstate_pkru, +#endif NULL } }; -- 2.4.3