From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 46B25380FC1 for ; Fri, 9 Oct 2026 10:08:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791540514; cv=none; b=btLSk6quykuiIddybPPpCQ396Wn/rFARkherc5MAMBxeLJW0cF2HLbnvYEJVHT/r1xbaq8rnTWkpIqQD1h16ogDhpSJ01pshpnAlqfOthIjdtmiR7qs+/mOZz+3PkTXhUdMcTNMdaXHIHazWYZAcXF5zPH+FY1nY6Bdyr19FY9k= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791540514; c=relaxed/simple; bh=zsF+CHxmDIWi+0W28aOKtOiMYhY3g2zwPtcy27vgxo0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=hJgSe2DkKqGjSPb4q8ucC7E2SNKaTpTM8casKW6lNI2EBQG1tkOvIzacOgFboHevpJhXmGWRDr7E4t21m/xNZAFXNOEmPRtGNV2p20wEYoChLzFeD26LE6yZGLUajnxpKSA7pKsAjHVJXFCols9Cw9rw13cbiTo7Oy0D5kA/pEk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=YjSBBrgZ; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="YjSBBrgZ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id BA2311F00899; Fri, 9 Oct 2026 10:08:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1791540513; bh=xH2XprgQ00wXZBykl621LlJAXXNb9rHtvI/kD08mEM4=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=YjSBBrgZ9Y5Xej7VdopzxeB9b6XJf9N0iJEaBw5aI5XI6IxGuoWA2aAl954kiBROG HM2uSybTH70MynGW0n9aI1fuLbS6ccoNzLo1kWUPUgt+Cb5sM9Dr9G5lF3AvGrMPpi NzIdvbh3HAPH+9CFdtx3uJFCh6f+VqLsKkui8ZeSxCpgc7IlawVCq/ikyX2kQUegsj neE/bF0BZBZq5Cj9CKvvRjgprjVBUbkTU8BaJ6qZ/r6sHkw3GJrS8WlQlLdunXPbH4 sw116k1NaTL2pRo4GItoVjYtmlJElRFUY8KEwaGyAEQ2sujHIh5cXT2CayGdrXo4iA CQ2wYZka8g/hA== From: Will Deacon To: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org, Will Deacon , Thomas Gleixner , Ben Horgan , =?UTF-8?q?=C8=98tefania=20Ion?= , Catalin Marinas , Pankaj Patil , Borislav Petkov , Lorenzo Pieralisi , Jinjie Ruan , Mark Rutland , Tarun Sahu , Fuad Tabba , David Woodhouse , Peter Zijlstra , Marc Zyngier Subject: [PATCH v2 12/23] arm64: smp: Don't bother printing the I-cache policy for each CPU Date: Fri, 9 Oct 2026 11:07:23 +0100 Message-ID: <20261009100738.31288-13-will@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20261009100738.31288-1-will@kernel.org> References: <20261009100738.31288-1-will@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The I-cache policy isn't particularly interesting but printing it early can result in unnecessary serialisation of onlining CPUs. Remove the pointless print. Reviewed-by: Jinjie Ruan Signed-off-by: Will Deacon --- arch/arm64/kernel/cpuinfo.c | 16 ---------------- 1 file changed, 16 deletions(-) diff --git a/arch/arm64/kernel/cpuinfo.c b/arch/arm64/kernel/cpuinfo.c index dfb21bf5541d..94e6cd211d70 100644 --- a/arch/arm64/kernel/cpuinfo.c +++ b/arch/arm64/kernel/cpuinfo.c @@ -31,19 +31,6 @@ * values depending on configuration at or after reset. */ DEFINE_PER_CPU(struct cpuinfo_arm64, cpu_data); - -static inline const char *icache_policy_str(int l1ip) -{ - switch (l1ip) { - case CTR_EL0_L1Ip_VIPT: - return "VIPT"; - case CTR_EL0_L1Ip_PIPT: - return "PIPT"; - default: - return "RESERVED/UNKNOWN"; - } -} - unsigned long __icache_flags; static const char *const hwcap_str[] = { @@ -424,7 +411,6 @@ device_initcall(cpuinfo_regs_init); static void cpuinfo_detect_icache_policy(struct cpuinfo_arm64 *info) { - unsigned int cpu = smp_processor_id(); u32 l1ip = CTR_L1IP(info->reg_ctr); switch (l1ip) { @@ -436,8 +422,6 @@ static void cpuinfo_detect_icache_policy(struct cpuinfo_arm64 *info) set_bit(ICACHEF_ALIASING, &__icache_flags); break; } - - pr_info("Detected %s I-cache on CPU%d\n", icache_policy_str(l1ip), cpu); } static void __cpuinfo_store_cpu_32bit(struct cpuinfo_32bit *info) -- 2.56.0.385.gd3acb90ef8-goog