From patchwork Fri Apr 8 09:24:15 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Heiko Stuebner X-Patchwork-Id: 12806340 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 C75CFC433EF for ; Fri, 8 Apr 2022 09:24:40 +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:MIME-Version:Message-Id:Date:Subject:Cc :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=4LMFM12RQh2vneEDyZALyZ9vkTHpe2o6QsXgeUAZl9M=; b=0J87NspPNeP89H m6JPzW+Jrc5+1RCeruUfrIJ+FoqKFJsF8Estqijk2rKzJffeqZW05Rac5cK8tste2+3k+i67Z9Mau t6/Rjupjj1nvzlO2mZQD7X+cEnNfsg9hr09SfYGWb8h+tRK5nwLdyH2ATKZugetAXhbyMDGblK61H etN7aG9MOstjrtlVzlfiGuF77ALS8okXuF5ExuS+t0Lmrm7IZgVJ8/HnlU8PvC5+75zXyEXT+28Yq Laj7iREgwCyHwpP5aA/fCYc6MtxsgDdiHVaKWWuJe0IP9Qlz0IAdfKyM5kk9Tx0qfZGaUPj5qXshw oYuebRxhhbThHsizjz8w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nckqy-00G7nE-Ii; Fri, 08 Apr 2022 09:24:28 +0000 Received: from gloria.sntech.de ([185.11.138.130]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nckqv-00G7lN-Hg; Fri, 08 Apr 2022 09:24:26 +0000 Received: from ip5b412258.dynamic.kabel-deutschland.de ([91.65.34.88] helo=phil.lan) by gloria.sntech.de with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1nckqq-0002JW-3F; Fri, 08 Apr 2022 11:24:20 +0200 From: Heiko Stuebner To: anup@brainfault.org, atishp@atishpatra.org Cc: paul.walmsley@sifive.com, palmer@dabbelt.com, aou@eecs.berkeley.edu, kvm@vger.kernel.org, kvm-riscv@lists.infradead.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, Heiko Stuebner Subject: [PATCH] RISC-V: KVM: include missing hwcap.h into vcpu_fp Date: Fri, 8 Apr 2022 11:24:15 +0200 Message-Id: <20220408092415.1603661-1-heiko@sntech.de> X-Mailer: git-send-email 2.35.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220408_022425_620292_B3FE389D X-CRM114-Status: GOOD ( 11.24 ) 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 vcpu_fp uses the riscv_isa_extension mechanism which gets defined in hwcap.h but doesn't include that head file. While it seems to work in most cases, in certain conditions this can lead to build failures like ../arch/riscv/kvm/vcpu_fp.c: In function ‘kvm_riscv_vcpu_fp_reset’: ../arch/riscv/kvm/vcpu_fp.c:22:13: error: implicit declaration of function ‘riscv_isa_extension_available’ [-Werror=implicit-function-declaration] 22 | if (riscv_isa_extension_available(&isa, f) || | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../arch/riscv/kvm/vcpu_fp.c:22:49: error: ‘f’ undeclared (first use in this function) 22 | if (riscv_isa_extension_available(&isa, f) || Fix this by simply including the necessary header. Fixes: 0a86512dc113 ("RISC-V: KVM: Factor-out FP virtualization into separate sources") Signed-off-by: Heiko Stuebner --- arch/riscv/kvm/vcpu_fp.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/riscv/kvm/vcpu_fp.c b/arch/riscv/kvm/vcpu_fp.c index 4449a976e5a6..d4308c512007 100644 --- a/arch/riscv/kvm/vcpu_fp.c +++ b/arch/riscv/kvm/vcpu_fp.c @@ -11,6 +11,7 @@ #include #include #include +#include #ifdef CONFIG_FPU void kvm_riscv_vcpu_fp_reset(struct kvm_vcpu *vcpu)