From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.223.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0B1E62773D3 for ; Thu, 11 Sep 2025 06:35:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=195.135.223.131 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757572542; cv=none; b=JcLYH9e2gJA/2IwNAB8Sc+qAK2yfmZ+9idFMo+y5p/oOxlyOuwR3nNKI5O8EkgGFtR/L96aWsfA7LKSHh6fMIwImtokxFXqpN4K6W9gqX4a+lSef8lZ65SF4C+UNsPTo7MGLSvkuFHco8YO3gM04/7AgtcDwwuctpTteV3EISTM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757572542; c=relaxed/simple; bh=/FtnzCuPhQFohgTNqs9Id/AK4Hxqk+QQLR3rIHpNxmU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=sQZOnGl8VPzgi9/tWugkiRPr3JZBHChm/p8fy7RmFi889WNCtajcX+DEioqJ4Ukfp+j5C4ZhhwS63K/CjnsZtI313EVF5wQgEOBlDBbpKRHzRukCT8deqjgquIkHSq2drib/U6TWjG+pWU1aoxIXSLxFE+Rzn4DXLZJEO4qEhwY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=suse.com; spf=pass smtp.mailfrom=suse.com; arc=none smtp.client-ip=195.135.223.131 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=suse.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=suse.com Received: from imap1.dmz-prg2.suse.org (imap1.dmz-prg2.suse.org [IPv6:2a07:de40:b281:104:10:150:64:97]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by smtp-out2.suse.de (Postfix) with ESMTPS id CC195683EE; Thu, 11 Sep 2025 06:35:38 +0000 (UTC) Authentication-Results: smtp-out2.suse.de; none Received: from imap1.dmz-prg2.suse.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by imap1.dmz-prg2.suse.org (Postfix) with ESMTPS id 729E41372E; Thu, 11 Sep 2025 06:35:38 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id 7mSLGrptwmhCTQAAD6G6ig (envelope-from ); Thu, 11 Sep 2025 06:35:38 +0000 From: Juergen Gross To: linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, virtualization@lists.linux.dev, x86@kernel.org Cc: Juergen Gross , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Ajay Kaher , Alexey Makhalov , Broadcom internal kernel review list Subject: [PATCH 10/14] riscv/paravirt: use common code for paravirt_steal_clock() Date: Thu, 11 Sep 2025 08:34:29 +0200 Message-ID: <20250911063433.13783-11-jgross@suse.com> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20250911063433.13783-1-jgross@suse.com> References: <20250911063433.13783-1-jgross@suse.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-Spam-Level: X-Rspamd-Server: rspamd1.dmz-prg2.suse.org X-Spamd-Result: default: False [-4.00 / 50.00]; REPLY(-4.00)[] X-Rspamd-Queue-Id: CC195683EE X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-Rspamd-Action: no action X-Spam-Flag: NO X-Spam-Score: -4.00 Remove the arch specific variant of paravirt_steal_clock() and use the common one instead. Signed-off-by: Juergen Gross --- arch/riscv/Kconfig | 1 + arch/riscv/include/asm/paravirt.h | 10 ---------- arch/riscv/kernel/paravirt.c | 7 ------- 3 files changed, 1 insertion(+), 17 deletions(-) diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index 51dcd8eaa243..8a7573aebaca 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -1108,6 +1108,7 @@ config COMPAT config PARAVIRT bool "Enable paravirtualization code" depends on RISCV_SBI + select HAVE_PV_STEAL_CLOCK_GEN help This changes the kernel so it can modify itself when it is run under a hypervisor, potentially improving performance significantly diff --git a/arch/riscv/include/asm/paravirt.h b/arch/riscv/include/asm/paravirt.h index 17e5e39c72c0..c49c55b266f3 100644 --- a/arch/riscv/include/asm/paravirt.h +++ b/arch/riscv/include/asm/paravirt.h @@ -3,16 +3,6 @@ #define _ASM_RISCV_PARAVIRT_H #ifdef CONFIG_PARAVIRT -#include - -u64 dummy_steal_clock(int cpu); - -DECLARE_STATIC_CALL(pv_steal_clock, dummy_steal_clock); - -static inline u64 paravirt_steal_clock(int cpu) -{ - return static_call(pv_steal_clock)(cpu); -} int __init pv_time_init(void); diff --git a/arch/riscv/kernel/paravirt.c b/arch/riscv/kernel/paravirt.c index d3c334f16172..5f56be79cd06 100644 --- a/arch/riscv/kernel/paravirt.c +++ b/arch/riscv/kernel/paravirt.c @@ -23,13 +23,6 @@ #include #include -static u64 native_steal_clock(int cpu) -{ - return 0; -} - -DEFINE_STATIC_CALL(pv_steal_clock, native_steal_clock); - static bool steal_acc = true; static int __init parse_no_stealacc(char *arg) { -- 2.51.0