From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 24D9F145323; Thu, 11 Apr 2024 10:41:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712832101; cv=none; b=W5Vxj+fCurweUzF+v3QzGXBRUdSzbahvG/mWRjL/mivhuI9jD7JbGLNINpswB8qlK22bBReYguPWi77hRQs+KJOXAXw1Nlgg7yxzPnsbZFlWCbhA9hwT5L7GZSdk8SRhJmJIo1X3RMUMe/A4f2p672/J3lyv4hAaKldlOaN05mY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712832101; c=relaxed/simple; bh=WlEAcdx4dAp6Xfnqk2dX70F0g0b4N5ykyYyKlD9kdkU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Vds3MCQAYwMq3IRWFzI1WP34UmL7JrUkAiAmAwjusAo65zfqP+mEByJVhsH4zYosueq+WloMJzWnmGh/OesRToffiXVdIo3RTxwZuhQSsh+VFc/8ST9Sx7S3TPjG6zXkzpDZ98/MPmh1ryPVGyon5O9QNrTLlI2SHnUkMEaHuOg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=d7qyi9y5; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="d7qyi9y5" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9D171C433C7; Thu, 11 Apr 2024 10:41:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1712832101; bh=WlEAcdx4dAp6Xfnqk2dX70F0g0b4N5ykyYyKlD9kdkU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=d7qyi9y53njQTEu0dmWLqE1ElRV18TEWaNeZisnQaIa2Cwge5pvxcPXKn0zF963J7 /ynN7CsGXeo3XFXvSMRa3vCK8ejU2hAQ52EEypiHrB3mwUnut1l1iezAQbj8T7vDAQ wRcewmrpXx+EIVBqfwLHYI/dOq3mk26rtxFdOVr0= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Sandipan Das , Ingo Molnar Subject: [PATCH 5.10 190/294] x86/cpufeatures: Add new word for scattered features Date: Thu, 11 Apr 2024 11:55:53 +0200 Message-ID: <20240411095441.335387559@linuxfoundation.org> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240411095435.633465671@linuxfoundation.org> References: <20240411095435.633465671@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.10-stable review patch. If anyone has any objections, please let me know. ------------------ From: Sandipan Das commit 7f274e609f3d5f45c22b1dd59053f6764458b492 upstream. Add a new word for scattered features because all free bits among the existing Linux-defined auxiliary flags have been exhausted. Signed-off-by: Sandipan Das Signed-off-by: Ingo Molnar Link: https://lore.kernel.org/r/8380d2a0da469a1f0ad75b8954a79fb689599ff6.1711091584.git.sandipan.das@amd.com Signed-off-by: Greg Kroah-Hartman --- arch/x86/include/asm/cpufeature.h | 6 ++++-- arch/x86/include/asm/cpufeatures.h | 2 +- arch/x86/include/asm/disabled-features.h | 3 ++- arch/x86/include/asm/required-features.h | 3 ++- 4 files changed, 9 insertions(+), 5 deletions(-) --- a/arch/x86/include/asm/cpufeature.h +++ b/arch/x86/include/asm/cpufeature.h @@ -93,8 +93,9 @@ extern const char * const x86_bug_flags[ CHECK_BIT_IN_MASK_WORD(REQUIRED_MASK, 18, feature_bit) || \ CHECK_BIT_IN_MASK_WORD(REQUIRED_MASK, 19, feature_bit) || \ CHECK_BIT_IN_MASK_WORD(REQUIRED_MASK, 20, feature_bit) || \ + CHECK_BIT_IN_MASK_WORD(REQUIRED_MASK, 21, feature_bit) || \ REQUIRED_MASK_CHECK || \ - BUILD_BUG_ON_ZERO(NCAPINTS != 21)) + BUILD_BUG_ON_ZERO(NCAPINTS != 22)) #define DISABLED_MASK_BIT_SET(feature_bit) \ ( CHECK_BIT_IN_MASK_WORD(DISABLED_MASK, 0, feature_bit) || \ @@ -118,8 +119,9 @@ extern const char * const x86_bug_flags[ CHECK_BIT_IN_MASK_WORD(DISABLED_MASK, 18, feature_bit) || \ CHECK_BIT_IN_MASK_WORD(DISABLED_MASK, 19, feature_bit) || \ CHECK_BIT_IN_MASK_WORD(DISABLED_MASK, 20, feature_bit) || \ + CHECK_BIT_IN_MASK_WORD(DISABLED_MASK, 21, feature_bit) || \ DISABLED_MASK_CHECK || \ - BUILD_BUG_ON_ZERO(NCAPINTS != 21)) + BUILD_BUG_ON_ZERO(NCAPINTS != 22)) #define cpu_has(c, bit) \ (__builtin_constant_p(bit) && REQUIRED_MASK_BIT_SET(bit) ? 1 : \ --- a/arch/x86/include/asm/cpufeatures.h +++ b/arch/x86/include/asm/cpufeatures.h @@ -13,7 +13,7 @@ /* * Defines x86 CPU feature bits */ -#define NCAPINTS 21 /* N 32-bit words worth of info */ +#define NCAPINTS 22 /* N 32-bit words worth of info */ #define NBUGINTS 2 /* N 32-bit bug flags */ /* --- a/arch/x86/include/asm/disabled-features.h +++ b/arch/x86/include/asm/disabled-features.h @@ -103,6 +103,7 @@ #define DISABLED_MASK18 0 #define DISABLED_MASK19 0 #define DISABLED_MASK20 0 -#define DISABLED_MASK_CHECK BUILD_BUG_ON_ZERO(NCAPINTS != 21) +#define DISABLED_MASK21 0 +#define DISABLED_MASK_CHECK BUILD_BUG_ON_ZERO(NCAPINTS != 22) #endif /* _ASM_X86_DISABLED_FEATURES_H */ --- a/arch/x86/include/asm/required-features.h +++ b/arch/x86/include/asm/required-features.h @@ -103,6 +103,7 @@ #define REQUIRED_MASK18 0 #define REQUIRED_MASK19 0 #define REQUIRED_MASK20 0 -#define REQUIRED_MASK_CHECK BUILD_BUG_ON_ZERO(NCAPINTS != 21) +#define REQUIRED_MASK21 0 +#define REQUIRED_MASK_CHECK BUILD_BUG_ON_ZERO(NCAPINTS != 22) #endif /* _ASM_X86_REQUIRED_FEATURES_H */