From patchwork Tue Aug 8 23:13:18 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Raghavendra Rao Ananta X-Patchwork-Id: 13347229 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C568FC05051 for ; Tue, 8 Aug 2023 23:13:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:Cc:To:From:Subject:Message-ID: References:Mime-Version:In-Reply-To:Date:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=U1cSACK+ccOJSU7EPy+L7HkwDbDjOap761Gd7jjR1wc=; b=tiRekYFU80wOxgXs/5wymbUSUu bHF+wtU4dfK4lmkIRL9HsyGmTLOwXA9GoajYoRC2IEBcA1HwVMR2NvMXTTCZlSaM9XKO4sR8Txvzs k19ahFlHHAnT327RcahgQSY62FivqKLjCT2micmzpknae2azRBrv4+PHHj3OKNZgW6ilcFw2Ty5OM COaBXSRglz0+2tq95GwCR3qVSl+3jvnX8sblMS6zjPUE5+6F0jnqNMMU/7a/ND8T0A8OMS5xABXaQ Lne7p6757HOjOvEEHfkc76JQxJEuE2XrlEZobkw1gm5VWu9fgtxQPIymCL5GDXZMw6YmfnUA/6CbV K2hMxpUw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qTVti-003dLu-2d; Tue, 08 Aug 2023 23:13:54 +0000 Received: from mail-yb1-xb49.google.com ([2607:f8b0:4864:20::b49]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qTVtV-003d57-1t for linux-riscv@lists.infradead.org; Tue, 08 Aug 2023 23:13:46 +0000 Received: by mail-yb1-xb49.google.com with SMTP id 3f1490d57ef6-d4e1be2dd10so4149094276.0 for ; Tue, 08 Aug 2023 16:13:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20221208; t=1691536417; x=1692141217; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=fF9z3Q1T3iKa1+NaqgmsAKQ9ZnVImh9YcGmD8OzK9j4=; b=Ld1x0UAAPCU2iNVMHuMjG6B0mRqC01G5XmrR49OD5ekBM+hQ47Lz1vPTQOE9Tr5Br5 BX4nU2fyQoGGqakeZ7MocsuWSlLwxNgdhGBwiNTVlmTbC+b+hhEmvF5KQzcDGXQHniHf dyBlM/h1HcV1T3N3V+nLOLW7Ezrkt/Pno3Kgysbh2Q6+afbzKckk0AnL00fLjdc2sRnT VlzSKBNqhrU3kXNgERrGdXMA6yHTAQeK1SKxpS4/hFwjbsJV3fXh7O3sMLhqgXSqH2/5 7bx3QZPwlmmukhHDNyNKKv+4o0fEeYSAzOCOzLhRc8WynuLwSpq0v0AjFElLDtSI3e7L E4XQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1691536417; x=1692141217; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=fF9z3Q1T3iKa1+NaqgmsAKQ9ZnVImh9YcGmD8OzK9j4=; b=aMYeMswJO3FF0ytfyIfUAhA9FuhnusYsk4f76lRzsKn7+VXynvcam8Scf04hV1OrR/ ST1UntEmvU0B9KB2vfQ2C3t6vVNR9s/C0a+7NgeLc0YIXd0BvgKA7laaMJ09ty23Ro+P AeqpedCjjO6/8mBMToy5RIitTkAAtesl5Tl17lR9vFuI6vZS8oaEgo1ZHZ2prF+LCJei sWipeSsgtWqOYHrcHXyXaBQqPAfyWarKGcNEmMjeHZG49f3nTL53DaP2xA2lLC8YU6A5 yU5adYe1vCD95vYTaq3pBkGjgVXu2gW+zSHftVOoziiLbN5IBKz2r6AerYvt6l3j7ND4 oiCQ== X-Gm-Message-State: AOJu0Yy1Rxe19AcJU/SEZyTLNyE6x5VHsBhrk03TwqS70AMIt5/+EQmd xtZrB5Ro8GrxU9SOZs9LPNtSBsTQnsut X-Google-Smtp-Source: AGHT+IEkNRtlsA4ms3b9+CUTzSiCBd52BXOcAxUcg/jLLvdvbtpcQ/Jup7ZubXa24xkvWpmhph0yYPJIU1oJ X-Received: from rananta-linux.c.googlers.com ([fda3:e722:ac3:cc00:2b:ff92:c0a8:22b5]) (user=rananta job=sendgmr) by 2002:a25:3288:0:b0:d44:585f:dfa8 with SMTP id y130-20020a253288000000b00d44585fdfa8mr21095yby.0.1691536417147; Tue, 08 Aug 2023 16:13:37 -0700 (PDT) Date: Tue, 8 Aug 2023 23:13:18 +0000 In-Reply-To: <20230808231330.3855936-1-rananta@google.com> Mime-Version: 1.0 References: <20230808231330.3855936-1-rananta@google.com> X-Mailer: git-send-email 2.41.0.640.ga95def55d0-goog Message-ID: <20230808231330.3855936-3-rananta@google.com> Subject: [PATCH v8 02/14] KVM: Declare kvm_arch_flush_remote_tlbs() globally From: Raghavendra Rao Ananta To: Oliver Upton , Marc Zyngier , James Morse , Suzuki K Poulose Cc: Paolo Bonzini , Sean Christopherson , Huacai Chen , Zenghui Yu , Anup Patel , Atish Patra , Jing Zhang , Reiji Watanabe , Colton Lewis , Raghavendra Rao Anata , David Matlack , Fuad Tabba , linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, linux-mips@vger.kernel.org, kvm-riscv@lists.infradead.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230808_161341_644882_2BCD356A X-CRM114-Status: UNSURE ( 9.76 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org There's no reason for the architectures to declare kvm_arch_flush_remote_tlbs() in their own headers. Hence to avoid this duplication, make the declaration global, leaving the architectures to define only __KVM_HAVE_ARCH_FLUSH_REMOTE_TLBS as needed. Signed-off-by: Raghavendra Rao Ananta Signed-off-by: Sean Christopherson Reviewed-by: Shaoqin Huang --- arch/mips/include/asm/kvm_host.h | 1 - include/linux/kvm_host.h | 2 ++ 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/mips/include/asm/kvm_host.h b/arch/mips/include/asm/kvm_host.h index 9b0ad8f3bf327..54a85f1d4f2c8 100644 --- a/arch/mips/include/asm/kvm_host.h +++ b/arch/mips/include/asm/kvm_host.h @@ -897,6 +897,5 @@ static inline void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu) {} static inline void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu) {} #define __KVM_HAVE_ARCH_FLUSH_REMOTE_TLBS -int kvm_arch_flush_remote_tlbs(struct kvm *kvm); #endif /* __MIPS_KVM_HOST_H__ */ diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index e3f968b38ae97..ade5d4500c2ce 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -1484,6 +1484,8 @@ static inline int kvm_arch_flush_remote_tlbs(struct kvm *kvm) { return -ENOTSUPP; } +#else +int kvm_arch_flush_remote_tlbs(struct kvm *kvm); #endif #ifdef __KVM_HAVE_ARCH_NONCOHERENT_DMA