From nobody Mon Apr 6 23:10:11 2026 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 975D23F7897; Tue, 17 Mar 2026 22:51:34 +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=1773787894; cv=none; b=ZQeIjEko4bKpJG2+ys5+eIUqpwHsj7oJzojfezzNqffsjbzHQgL8/D7C2Shx1qYqj9QpkQQI2ZVCVRJQT2jNqf7ut3gFtdb09xsEJwY7h6MiLZm1/bT1W+tcHm34yxWSL59NUFRmD9SJCPSzEX1jMfIitK79AlI20Rd253qCDfE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773787894; c=relaxed/simple; bh=VHYVcG46HDcvFMvnPYNK+XTdXj0sPBym+XtZyAEFC2M=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=kK1vRsmJYo+3s5gh4hYArGbQPzaYlV+HAm27hqH4r/TS51ZATG6qxctwOJRHKjZHYQUVIV3EX6LqGA4Q881BXFk0xlXEvRIjH7FFFMuJH90ney8ZNdBEQcnR3QNU0jrzgoFbgsT4G1uIKC06AV5Uj1GRa3Nb9zxiq9d+/k0tL1A= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=F9dGKUuC; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="F9dGKUuC" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 11D8BC2BCB0; Tue, 17 Mar 2026 22:51:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1773787894; bh=VHYVcG46HDcvFMvnPYNK+XTdXj0sPBym+XtZyAEFC2M=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=F9dGKUuCdmTIFVIN8p79f8n/HoYP/FrAAPJsea2JO7/IgAUlFJuHz+bDQ++e1OaJN uucFILufRXwG4QS26FVQPIgUGDwpvGjdDb06ia8qXAVXmC1XAsVtBCsX8i2PXoa5xW 9YzHtwrdnVrku7HBboc/o4g2Pa1NW9oC1SV8K7T4KYBAByYBEoODFo3scSP31Ndeho GSWloLMay0XDavuTrYWPAzlNQBSr14Vrev+vEcxsDIk0+PRr5fbP1IVDlYClrnZVmc MibKcYQlxy54qGPNOMU7waOMBpzXSAdTRwCDI/rDEiYIPjchNfCWadhHdVtMLKX25Z MjBoKcliSAbFA== From: Josh Poimboeuf To: x86@kernel.org Cc: linux-kernel@vger.kernel.org, live-patching@vger.kernel.org, Peter Zijlstra , Joe Lawrence , Song Liu , Catalin Marinas , Will Deacon , linux-arm-kernel@lists.infradead.org, Mark Rutland , Nathan Chancellor , Nicolas Schier , Herbert Xu Subject: [PATCH v2 04/12] crypto: arm64: Move data to .rodata Date: Tue, 17 Mar 2026 15:51:04 -0700 Message-ID: X-Mailer: git-send-email 2.53.0 In-Reply-To: References: 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 Content-Type: text/plain; charset="utf-8" Data embedded in .text pollutes i-cache and confuses objtool and other tools that try to disassemble it. Move it to .rodata. Signed-off-by: Josh Poimboeuf --- lib/crypto/arm64/sha2-armv8.pl | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/lib/crypto/arm64/sha2-armv8.pl b/lib/crypto/arm64/sha2-armv8.pl index 35ec9ae99fe1..8cd86768bf5c 100644 --- a/lib/crypto/arm64/sha2-armv8.pl +++ b/lib/crypto/arm64/sha2-armv8.pl @@ -237,7 +237,8 @@ $code.=3D<<___; ldp $E,$F,[$ctx,#4*$SZ] add $num,$inp,$num,lsl#`log(16*$SZ)/log(2)` // end of input ldp $G,$H,[$ctx,#6*$SZ] - adr $Ktbl,.LK$BITS + adrp $Ktbl,.LK$BITS + add $Ktbl,$Ktbl,:lo12:.LK$BITS stp $ctx,$num,[x29,#96] =20 .Loop: @@ -286,6 +287,7 @@ $code.=3D<<___; ret .size $func,.-$func =20 +.pushsection .rodata .align 6 .type .LK$BITS,%object .LK$BITS: @@ -365,6 +367,7 @@ $code.=3D<<___; #endif .asciz "SHA$BITS block transform for ARMv8, CRYPTOGAMS by " .align 2 +.popsection ___ =20 if ($SZ=3D=3D4) { @@ -385,7 +388,8 @@ sha256_block_armv8: add x29,sp,#0 =20 ld1.32 {$ABCD,$EFGH},[$ctx] - adr $Ktbl,.LK256 + adrp $Ktbl,.LK256 + add $Ktbl,$Ktbl,:lo12:.LK256 =20 .Loop_hw: ld1 {@MSG[0]-@MSG[3]},[$inp],#64 @@ -648,7 +652,8 @@ sha256_block_neon: mov x29, sp sub sp,sp,#16*4 =20 - adr $Ktbl,.LK256 + adrp $Ktbl,.LK256 + add $Ktbl,$Ktbl,:lo12:.LK256 add $num,$inp,$num,lsl#6 // len to point at the end of inp =20 ld1.8 {@X[0]},[$inp], #16 --=20 2.53.0