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[92.26.102.188]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-48066c10dbasm3896455e9.15.2026.01.26.09.53.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 26 Jan 2026 09:53:59 -0800 (PST) X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: fe79a932-fadf-11f0-b15f-2bf370ae4941 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=citrix.com; s=google; t=1769450039; x=1770054839; darn=lists.xenproject.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=c1ONjoPKEWiY2hmWsIYX5khT8mAnFR/6SGFmL+oGZ7U=; b=k6N3qPTTsWg85Hzq1f4mG5dmYFyb9igbxl6SpLLIXkiQCs9KWqjUa/C7mJdrFwTHCM yCs+VTc4Mo6Ln0J7C6Vs+l6xJhFc9YSkJ+7bMYMUwaDMLplktd0SfUSGkYwrGDqRiaPQ Qq1+cJhF2pzD+YQkJ1hwHoHSuNG7HIGo08U9k= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1769450039; x=1770054839; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=c1ONjoPKEWiY2hmWsIYX5khT8mAnFR/6SGFmL+oGZ7U=; b=CdlBNAJL/JbURbn1qVHdAB/CL7vXbDvdJ/PBMMXIRRe7eh07NBJzZwr6r4rMri4/D+ VzwGlbnMLiKVjq6z+ehsZL8fxcKtcMJsCjHK1jD7XuNacGRHRset3H+xiiEhYzhSH+Jf Ejxso6l60Su8/T5hkDiSIa8qf1+TvFBkKkBV5wcRgsYG8x4Omk7n09cuoYhRu/OV0fYp LnMvhTVV0QimzYGa6+fTavRKLFoixTttPbDn4rrzRG6P//cHw6Y6H0b3UEWq8K4u6smc 21+g1GT6ScIJTB+w72D6/ArSsm8CY2Qkrf9iBlVjUgz95OY2yo5omk348Qa2euQfeDIO evOA== X-Gm-Message-State: AOJu0YwA3tgUSuuGJWKzD/Ac2LhngBGK9NYaETSq94bEGS67FhT+1N3+ oMklAFEI6xQvI9zGhynmThzgcI475vZRSF/DYmKYHT1d/D4jCfOYkGBK13M84zVXL5GH2boSNlg /aM8J X-Gm-Gg: AZuq6aIRqpuijwD0bf/qvENC9XdTyFB/ZE+Q0Ak3xo9K4GIAvOXcuXjMhLU6XHTmx4/ H0sRaHozAlvbo2zMB9Ba3F6SNU0jP4LZ3JPNiLm9yZW+WwmmxWXaujCcbebuUzB5L+/lsXBTdql UIsg4f16JVxKlFyrhSpzXLjMBW73J4JHp/XoqBEBfFcpmn8GbnOVgsbgLNxn+P8PyH5GIDf8F6H ri1zqEnTdCHshmZ1zjBfP1lSsEcA56F5EIQqbyc3gdMX8wyOgXs99QY/TACS/SDlejNbpcpp4EW ZxFwOqMd3VmwH+PwEAh47enK/vwR+6oc8ClvmFCBve5AaNejE6VC0rLPAdTyTmNXmQRwsOrGEwO li7jwlENQe/XoJPNwHJbEbpssP3pxI5LLcG54B+S1YOupc8R0Xr71NHTqjekurKa6V8Q7InVGn+ Y2J0V//OmqViNCZgGRdaF/rYzecXX2zHSf8jIcXLu3loVGtazGdK8zQhKhpz+1+T60m4W6wnPR X-Received: by 2002:a05:600c:5297:b0:477:a289:d854 with SMTP id 5b1f17b1804b1-4805cd2026amr94916305e9.5.1769450039455; Mon, 26 Jan 2026 09:53:59 -0800 (PST) From: Andrew Cooper To: Xen-devel Cc: Andrew Cooper , Jan Beulich , =?UTF-8?q?Roger=20Pau=20Monn=C3=A9?= , Julian Vetter , Teddy Astie Subject: [PATCH 14/16] x86/cpu: Drop default_init() and default_cpu Date: Mon, 26 Jan 2026 17:53:43 +0000 Message-Id: <20260126175345.2078371-15-andrew.cooper3@citrix.com> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20260126175345.2078371-1-andrew.cooper3@citrix.com> References: <20260126175345.2078371-1-andrew.cooper3@citrix.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @citrix.com) X-ZM-MESSAGEID: 1769450068440158500 While the comment is reasonable, clearing SEP as the only action for an unknown CPU is useless. Drop the infrastructure. Signed-off-by: Andrew Cooper Acked-by: Jan Beulich --- CC: Jan Beulich CC: Roger Pau Monn=C3=A9 CC: Julian Vetter CC: Teddy Astie --- xen/arch/x86/cpu/common.c | 10 ---------- 1 file changed, 10 deletions(-) diff --git a/xen/arch/x86/cpu/common.c b/xen/arch/x86/cpu/common.c index 7674cca1ba93..bab2193e9ba3 100644 --- a/xen/arch/x86/cpu/common.c +++ b/xen/arch/x86/cpu/common.c @@ -100,15 +100,6 @@ bool __init is_forced_cpu_cap(unsigned int cap) return test_bit(cap, forced_caps) || test_bit(cap, cleared_caps); } =20 -static void cf_check default_init(struct cpuinfo_x86 * c) -{ - /* Not much we can do here... */ - __clear_bit(X86_FEATURE_SEP, c->x86_capability); -} - -static const struct cpu_dev __initconst_cf_clobber __used default_cpu =3D { - .c_init =3D default_init, -}; static struct cpu_dev __ro_after_init actual_cpu; =20 static DEFINE_PER_CPU(uint64_t, msr_misc_features); @@ -375,7 +366,6 @@ void __init early_cpu_init(bool verbose) case X86_VENDOR_SHANGHAI: actual_cpu =3D shanghai_cpu_dev; break; case X86_VENDOR_HYGON: actual_cpu =3D hygon_cpu_dev; break; default: - actual_cpu =3D default_cpu; if (!verbose) break; printk(XENLOG_ERR --=20 2.39.5