From nobody Fri Dec 19 07:18:44 2025 Received: from smtp-out1.suse.de (smtp-out1.suse.de [195.135.223.130]) (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 3C931366DA2 for ; Tue, 16 Dec 2025 13:42:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=195.135.223.130 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765892540; cv=none; b=U4xvSIj1TWN+P5duI3U4P73cdee4ZpxIffDrR3/+fHOKWONE70R+Slbu3Z0FyT0+gC16WNx/UW4RRydkpW3AqHjm+KiLvWfri8o9Pqzs5ckTlejRthZBrPh4zX7g4ptlQWO++/szRSsRQA+oFoyA4up88+SDwtjkavdifhtMXBo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765892540; c=relaxed/simple; bh=+KdFWJ6McQWzi3OU4hU8Ql3l4chQKmIOHR1NLm3OxJ0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=cWwcoN/2jxnDNUzHjF+TvxaOXyCnaBnKr+iEVNof5Xs+GcRvJMdh3LZH2M1deGqi4IsRT7y7BCKhOOgtOyK/0E51q/vxxnkHAlKwKFjvW10tQFUN4WvjdMlhWxuj+xoVq4NR1+UCDTbyUzX0XdUK+A0XgmGHUWH5q5Q5Qdgx+oc= 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; dkim=pass (1024-bit key) header.d=suse.com header.i=@suse.com header.b=mSqrDWcm; dkim=pass (1024-bit key) header.d=suse.com header.i=@suse.com header.b=mSqrDWcm; arc=none smtp.client-ip=195.135.223.130 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 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=suse.com header.i=@suse.com header.b="mSqrDWcm"; dkim=pass (1024-bit key) header.d=suse.com header.i=@suse.com header.b="mSqrDWcm" Received: from imap1.dmz-prg2.suse.org (unknown [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-out1.suse.de (Postfix) with ESMTPS id ACF25336A3; Tue, 16 Dec 2025 13:42:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1765892530; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=rVuoY9JOPUWAMsYZi1yGMvhzAhpx5EhkAc2XHc3BDHc=; b=mSqrDWcmC0Fzn3WdgAcKSqgjDjhRAzXwoaSROPqXVMdZzolieJ5ucsm9eCwOx7tvHrtXxo LGg68BCh9gzGA4mpwwLR9n0JJ1KHFReaREeoHeylyk5yKuHQwAClNrszLqHKM6/4WPQ4X9 ehEgH0aY11z72yLgiyjvKAgPAp668EM= Authentication-Results: smtp-out1.suse.de; none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1765892530; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=rVuoY9JOPUWAMsYZi1yGMvhzAhpx5EhkAc2XHc3BDHc=; b=mSqrDWcmC0Fzn3WdgAcKSqgjDjhRAzXwoaSROPqXVMdZzolieJ5ucsm9eCwOx7tvHrtXxo LGg68BCh9gzGA4mpwwLR9n0JJ1KHFReaREeoHeylyk5yKuHQwAClNrszLqHKM6/4WPQ4X9 ehEgH0aY11z72yLgiyjvKAgPAp668EM= 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 448993EA63; Tue, 16 Dec 2025 13:42:10 +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 RndeD7JhQWmbHwAAD6G6ig (envelope-from ); Tue, 16 Dec 2025 13:42:10 +0000 From: Juergen Gross To: linux-kernel@vger.kernel.org, x86@kernel.org Cc: Juergen Gross , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "H. Peter Anvin" Subject: [PATCH v2 3/5] x86/io: Remove REALLY_SLOW_IO handling Date: Tue, 16 Dec 2025 14:41:47 +0100 Message-ID: <20251216134150.2710-4-jgross@suse.com> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20251216134150.2710-1-jgross@suse.com> References: <20251216134150.2710-1-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: quoted-printable X-Spamd-Result: default: False [-6.80 / 50.00]; REPLY(-4.00)[]; BAYES_HAM(-3.00)[100.00%]; MID_CONTAINS_FROM(1.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; R_MISSING_CHARSET(0.50)[]; NEURAL_HAM_SHORT(-0.20)[-0.985]; MIME_GOOD(-0.10)[text/plain]; MIME_TRACE(0.00)[0:+]; FUZZY_RATELIMITED(0.00)[rspamd.com]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; TO_DN_SOME(0.00)[]; RCPT_COUNT_SEVEN(0.00)[8]; DKIM_SIGNED(0.00)[suse.com:s=susede1]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; R_RATELIMIT(0.00)[to_ip_from(RLfdszjqhz8kzzb9uwpzdm8png)]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.com:mid,suse.com:email,imap1.dmz-prg2.suse.org:helo]; RCVD_COUNT_TWO(0.00)[2]; TO_MATCH_ENVRCPT_ALL(0.00)[]; RCVD_TLS_ALL(0.00)[] X-Spam-Level: X-Spam-Flag: NO X-Spam-Score: -6.80 Content-Type: text/plain; charset="utf-8" As there is no user of REALLY_SLOW_IO left, remove the related handling from arch/x86/include/asm/io.h. Signed-off-by: Juergen Gross --- arch/x86/include/asm/io.h | 5 ----- 1 file changed, 5 deletions(-) diff --git a/arch/x86/include/asm/io.h b/arch/x86/include/asm/io.h index 0448575569b9..c4ddaaa1b81c 100644 --- a/arch/x86/include/asm/io.h +++ b/arch/x86/include/asm/io.h @@ -254,11 +254,6 @@ static inline void slow_down_io(void) return; =20 native_io_delay(); -#ifdef REALLY_SLOW_IO - native_io_delay(); - native_io_delay(); - native_io_delay(); -#endif } =20 #define BUILDIO(bwl, type) \ --=20 2.51.0