From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8380CC433FE for ; Thu, 7 Oct 2021 23:35:13 +0000 (UTC) Received: from mm01.cs.columbia.edu (mm01.cs.columbia.edu [128.59.11.253]) by mail.kernel.org (Postfix) with ESMTP id 336DF61501 for ; Thu, 7 Oct 2021 23:35:13 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 336DF61501 Authentication-Results: mail.kernel.org; dmarc=fail (p=reject dis=none) header.from=google.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=lists.cs.columbia.edu Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id CC7194B269; Thu, 7 Oct 2021 19:35:12 -0400 (EDT) X-Virus-Scanned: at lists.cs.columbia.edu Authentication-Results: mm01.cs.columbia.edu (amavisd-new); dkim=softfail (fail, message has been altered) header.i=@google.com Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id WM-ZdZTld205; Thu, 7 Oct 2021 19:35:11 -0400 (EDT) Received: from mm01.cs.columbia.edu (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id EEE314B255; Thu, 7 Oct 2021 19:35:09 -0400 (EDT) Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 752434B1DA for ; Thu, 7 Oct 2021 19:35:09 -0400 (EDT) X-Virus-Scanned: at lists.cs.columbia.edu Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id yr4TvMadWfSA for ; Thu, 7 Oct 2021 19:35:08 -0400 (EDT) Received: from mail-pj1-f73.google.com (mail-pj1-f73.google.com [209.85.216.73]) by mm01.cs.columbia.edu (Postfix) with ESMTPS id 1D2364B19D for ; Thu, 7 Oct 2021 19:35:08 -0400 (EDT) Received: by mail-pj1-f73.google.com with SMTP id b17-20020a17090a551100b001a03bb6c4f1so2713646pji.5 for ; Thu, 07 Oct 2021 16:35:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=date:in-reply-to:message-id:mime-version:references:subject:from:to :cc; bh=ii6HvMNSDW3BECmvGstwgeSfkGwZjjRRnxyRpuZ+gSA=; b=Z+0lI+jtnSx8SUemH3b2pgvauES0Ucd5KziWgSI89l0ig5r8XtisCnFktIPqEwwa+v hKDJf57FdnosDHfhcObFHEjYaQ+3t6pZCwTE85sMEcnc6JxtznxnQzFTzHOFEGbFFt4+ N8f2bkng2JTK87mrc1T/8dLn8Kw+f2zatc65wShnQY4y09db5OpeXQTwSXscOi779xs4 Tr2LXQqqG5+aPy8/DXYq8IubgajqT6SEfWb1n+aaNkrpwvmJwiy8aocWwQ5joTgJiyi1 JokJlT5zZlCRa4Vmet3RO/QPrA5oMfrre19vU9zDXBwjCPuFb1XSzKtS7OR02CLfNwGx +tfA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=ii6HvMNSDW3BECmvGstwgeSfkGwZjjRRnxyRpuZ+gSA=; b=fWptfydgH7bNJFDAVV7fsP5cIqsvdDj/pkd2b1mI/qxyoT5yG7G7lAmpVUGDVi+sNa a5kLBbFn40PBGglQaqN35wrqsPy+uwcCkeUxcwnwCzLjDbbg1odh0Yhpc/yDAQYSgCqd WSzP1bUsGxJdy0xRTm9veTWlvd/umI6F2tY+0ba2NBNhG+vJOQS2Dmzb+z20NyP6PUtf hqzlf/cP4dsvPDjHDkxjRpwlht0qk8IiLNnL/SlI+5Gp9e4AH1P1dbVLtq7xOgjsFT3V Qa77lb0Lq2t+879PBArqkgDKMfyPXDZeR/H0PBhSmWdV3tb69sjB0+Y9xdAzcpKGF03e n16A== X-Gm-Message-State: AOAM532emaCj232o4MzCyz3mCAnfeuMmq8d7RSp+AQFXRSYulTSPVxoJ UYM3ynDLJkWVBwW4pwxZdC3e00fFWZDM X-Google-Smtp-Source: ABdhPJwRp5MH/8qbQoCZh65bLmby+gfdQyt8NwHGByXSBx4EmaopUZA+ULvoOqaFJ97bqMwaMnmuIlGdKs0S X-Received: from rananta-virt.c.googlers.com ([fda3:e722:ac3:cc00:7f:e700:c0a8:1bcc]) (user=rananta job=sendgmr) by 2002:a17:90a:d254:: with SMTP id o20mr8508742pjw.226.1633649707151; Thu, 07 Oct 2021 16:35:07 -0700 (PDT) Date: Thu, 7 Oct 2021 23:34:32 +0000 In-Reply-To: <20211007233439.1826892-1-rananta@google.com> Message-Id: <20211007233439.1826892-9-rananta@google.com> Mime-Version: 1.0 References: <20211007233439.1826892-1-rananta@google.com> X-Mailer: git-send-email 2.33.0.882.g93a45727a2-goog Subject: [PATCH v8 08/15] KVM: arm64: selftests: Add support to disable and enable local IRQs From: Raghavendra Rao Ananta To: Paolo Bonzini , Marc Zyngier , Andrew Jones , James Morse , Alexandru Elisei , Suzuki K Poulose Cc: kvm@vger.kernel.org, Catalin Marinas , Peter Shier , linux-kernel@vger.kernel.org, Will Deacon , kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org X-BeenThere: kvmarm@lists.cs.columbia.edu X-Mailman-Version: 2.1.14 Precedence: list List-Id: Where KVM/ARM decisions are made List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu Add functions local_irq_enable() and local_irq_disable() to enable and disable the IRQs from the guest, respectively. Signed-off-by: Raghavendra Rao Ananta Reviewed-by: Oliver Upton Reviewed-by: Andrew Jones --- .../testing/selftests/kvm/include/aarch64/processor.h | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/tools/testing/selftests/kvm/include/aarch64/processor.h b/tools/testing/selftests/kvm/include/aarch64/processor.h index 265054c24481..515d04a3c27d 100644 --- a/tools/testing/selftests/kvm/include/aarch64/processor.h +++ b/tools/testing/selftests/kvm/include/aarch64/processor.h @@ -172,4 +172,14 @@ static __always_inline u32 __raw_readl(const volatile void *addr) #define writel(v,c) ({ __iowmb(); writel_relaxed((v),(c));}) #define readl(c) ({ u32 __v = readl_relaxed(c); __iormb(__v); __v; }) +static inline void local_irq_enable(void) +{ + asm volatile("msr daifclr, #3" : : : "memory"); +} + +static inline void local_irq_disable(void) +{ + asm volatile("msr daifset, #3" : : : "memory"); +} + #endif /* SELFTEST_KVM_PROCESSOR_H */ -- 2.33.0.882.g93a45727a2-goog _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm