From patchwork Fri Aug 11 04:51:15 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: 13350077 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D0D74C0015E for ; Fri, 11 Aug 2023 04:51:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233345AbjHKEvn (ORCPT ); Fri, 11 Aug 2023 00:51:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58032 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231755AbjHKEvl (ORCPT ); Fri, 11 Aug 2023 00:51:41 -0400 Received: from mail-yw1-x114a.google.com (mail-yw1-x114a.google.com [IPv6:2607:f8b0:4864:20::114a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C220B2D5E for ; Thu, 10 Aug 2023 21:51:38 -0700 (PDT) Received: by mail-yw1-x114a.google.com with SMTP id 00721157ae682-569e7aec37bso19867437b3.2 for ; Thu, 10 Aug 2023 21:51:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20221208; t=1691729498; x=1692334298; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=FjqK2i9iNfdCdXxEpH6EmuQikOPCWBkIYlUFD/yGaDg=; b=r3i6w54chxe/m30aMtVSgvkKBw1KsUaf9mnPdfDF9T7G23UAZLBlzAbYwBcw+8/TEP TIXUprktoIJvbhghifoTokWKfb3fsWuJEGznw9UnxoxDzZASXjGptbwbxjCA6kWdWKbv 1BXyNfas0RyElNo3kSpbNMxJzkQ5DV1JnViee3PvCsXKXzhyRRy66gQtf/gMlx6nPZLS W3ZvPJVBTfpDVbg4rpa+Yudvhp7wHsWOtEJhRLCCZ4ljXaPQ97jKH76YhbAKHzFA8haO RHWuu4Ft7sFeRAtPpG2uAYJ8O0PHxSXrSq3mACDc91bgObmkiHbVAYRiWp4aDtF5bXrr V1ng== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1691729498; x=1692334298; 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=FjqK2i9iNfdCdXxEpH6EmuQikOPCWBkIYlUFD/yGaDg=; b=H++F0r7kKdcrwmG4Ss85PmFhMAJopGuN8hPOuLJunb1/wexDF9cgi4hN/dWnszt/Jb ZFhfuS2Rfp1yvn7J+WGJIc9ebP+L7xMHnXXNdpLO2nKctojxYQZq1a0+cVg6U/EatHrd zL6IqtC0Oe80DcY4UDQBmmcCwGHRAOVEizAgTgXyUNzUyD+8+9Nceiht36sHk3bSYtMT wRz8WEKnlcozjw4zQkGBHqBZSL147SRptfHRr5EB59KLVE9VA8V8xpqIGRcEnEaLQj+U GCkZZk4r10HlbIJQ5zkBhGgVLmyk2XOOqCUZesfx2GV4WAox0S7NvC92f2trtYozVWi1 FrGw== X-Gm-Message-State: AOJu0Yz3CEMH6064ZZNw1CiJtHtBYHIVLoC5kJioQVScVy05yQ57PuY6 3EPZv0xpqwMEMxh1XYM5ErwuqLebO8Ml X-Google-Smtp-Source: AGHT+IGBvRwTUndHgAap/N4BT+dWrSJMB4+V6DQ3W4WJT35AoKaFobGrZSBaBrpjzeE8RCoth/jJXPL4hWmQ X-Received: from rananta-linux.c.googlers.com ([fda3:e722:ac3:cc00:2b:ff92:c0a8:22b5]) (user=rananta job=sendgmr) by 2002:a81:ae0e:0:b0:576:8cb6:62a9 with SMTP id m14-20020a81ae0e000000b005768cb662a9mr13062ywh.6.1691729497878; Thu, 10 Aug 2023 21:51:37 -0700 (PDT) Date: Fri, 11 Aug 2023 04:51:15 +0000 In-Reply-To: <20230811045127.3308641-1-rananta@google.com> Mime-Version: 1.0 References: <20230811045127.3308641-1-rananta@google.com> X-Mailer: git-send-email 2.41.0.640.ga95def55d0-goog Message-ID: <20230811045127.3308641-3-rananta@google.com> Subject: [PATCH v9 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, Shaoqin Huang Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.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 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