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Rozycki" Cc: Ralf Baechle , linux-mips@linux-mips.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: Re: [PATCH] MIPS: ptrace: Fix PTRACE_PEEKUSR requests for 64-bit FGRs Message-ID: <20180524125959.GB24269@jamesdev> References: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="3uo+9/B/ebqu+fSQ" Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.9.5 (2018-04-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --3uo+9/B/ebqu+fSQ Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, May 16, 2018 at 04:39:58PM +0100, Maciej W. Rozycki wrote: > Use 64-bit accesses for 64-bit floating-point general registers with=20 > PTRACE_PEEKUSR, removing the truncation of their upper halves in the=20 > FR=3D1 mode, caused by commit bbd426f542cb ("MIPS: Simplify FP context=20 > access"), which inadvertently switched them to using 32-bit accesses. >=20 > The PTRACE_POKEUSR side is fine as it's never been broken and continues= =20 > using 64-bit accesses. >=20 > Cc: # 3.19+ should that be 3.15+? Cheers James --3uo+9/B/ebqu+fSQ Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEARYIAB0WIQS7lRNBWUYtqfDOVL41zuSGKxAj8gUCWwa3TgAKCRA1zuSGKxAj 8sDvAP9b5xyZTvJTRL1ODiGao0nXlZE58CbdZGfh08Ld5eRiaAEAysXgF3YS4+nm +cHSReh8L6LfjKCPbHrOsWEht17wgQY= =+Mrn -----END PGP SIGNATURE----- --3uo+9/B/ebqu+fSQ--