From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:35112 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750841AbcIINok (ORCPT ); Fri, 9 Sep 2016 09:44:40 -0400 Subject: Patch "[PATCH 123/135] crypto: vmx - comply with ABIs that specify vrsave as" has been added to the 4.4-stable tree To: pfsmorigo@linux.vnet.ibm.com, alexander.levin@verizon.com, appro@openssl.org, gregkh@linuxfoundation.org, herbert@gondor.apana.org.au Cc: , From: Date: Fri, 09 Sep 2016 15:38:43 +0200 Message-ID: <147342832328231@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled [PATCH 123/135] crypto: vmx - comply with ABIs that specify vrsave as to the 4.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: 0123-crypto-vmx-comply-with-ABIs-that-specify-vrsave-as-r.patch and it can be found in the queue-4.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From 890c53b8667ad56511f5bf563db96003660d440f Mon Sep 17 00:00:00 2001 From: Paulo Flabiano Smorigo Date: Thu, 5 May 2016 11:09:27 -0300 Subject: [PATCH 123/135] crypto: vmx - comply with ABIs that specify vrsave as reserved. [ Upstream commit 5ca55738201c7ae1b556ad87bbb22c139ecc01dd ] It gives significant improvements ( ~+15%) on some modes. These code has been adopted from OpenSSL project in collaboration with the original author (Andy Polyakov ). Signed-off-by: Paulo Flabiano Smorigo Signed-off-by: Herbert Xu Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- drivers/crypto/vmx/ppc-xlate.pl | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) --- a/drivers/crypto/vmx/ppc-xlate.pl +++ b/drivers/crypto/vmx/ppc-xlate.pl @@ -139,6 +139,26 @@ my $vmr = sub { " vor $vx,$vy,$vy"; }; +# Some ABIs specify vrsave, special-purpose register #256, as reserved +# for system use. +my $no_vrsave = ($flavour =~ /aix|linux64le/); +my $mtspr = sub { + my ($f,$idx,$ra) = @_; + if ($idx == 256 && $no_vrsave) { + " or $ra,$ra,$ra"; + } else { + " mtspr $idx,$ra"; + } +}; +my $mfspr = sub { + my ($f,$rd,$idx) = @_; + if ($idx == 256 && $no_vrsave) { + " li $rd,-1"; + } else { + " mfspr $rd,$idx"; + } +}; + # PowerISA 2.06 stuff sub vsxmem_op { my ($f, $vrt, $ra, $rb, $op) = @_; Patches currently in stable-queue which might be from pfsmorigo@linux.vnet.ibm.com are queue-4.4/0123-crypto-vmx-comply-with-ABIs-that-specify-vrsave-as-r.patch queue-4.4/0126-crypto-vmx-IV-size-failing-on-skcipher-API.patch