linux-kernel - [PATCH 4.4 120/192] [PATCH 124/135] crypto: vmx

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Date:   Mon, 12 Sep 2016 19:00:29 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Anton Blanchard <anton@...ba.org>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        Sasha Levin <alexander.levin@...izon.com>
Subject: [PATCH 4.4 120/192] [PATCH 124/135] crypto: vmx - Fix ABI detection

4.4-stable review patch.  If anyone has any objections, please let me know.

------------------

[ Upstream commit 975f57fdff1d0eb9816806cabd27162a8a1a4038 ]

When calling ppc-xlate.pl, we pass it either linux-ppc64 or
linux-ppc64le. The script however was expecting linux64le, a result
of its OpenSSL origins. This means we aren't obeying the ppc64le
ABIv2 rules.

Fix this by checking for linux-ppc64le.

Fixes: 5ca55738201c ("crypto: vmx - comply with ABIs that specify vrsave as reserved.")
Cc: stable@...r.kernel.org
Signed-off-by: Anton Blanchard <anton@...ba.org>
Signed-off-by: Herbert Xu <herbert@...dor.apana.org.au>
Signed-off-by: Sasha Levin <alexander.levin@...izon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/crypto/vmx/ppc-xlate.pl |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/crypto/vmx/ppc-xlate.pl
+++ b/drivers/crypto/vmx/ppc-xlate.pl
@@ -141,7 +141,7 @@ my $vmr = sub {
 
 # Some ABIs specify vrsave, special-purpose register #256, as reserved
 # for system use.
-my $no_vrsave = ($flavour =~ /aix|linux64le/);
+my $no_vrsave = ($flavour =~ /linux-ppc64le/);
 my $mtspr = sub {
     my ($f,$idx,$ra) = @_;
     if ($idx == 256 && $no_vrsave) {