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h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=Zpo1Q1f6YyC8Wb2vF5ejajNa3wxnzilUUiSr9K+N8QDc6kQVGNw7vkeaXGmmGwAsB W6GtPvo/LPoJhUTd29o65XRsfElO6ii9ESgjNhYSLnc16cYk8UAIkviiJ0zEkNwFom P/9JeVSOind2u+NKrE05khtSUYQEFVGwXrpWho1S0ebItb1t+0/wjwd5DDR0+yGZHj v6JNsfMBlSbEcf0vWplB3p7fthjb5tsj/BrB3Oqhp8jidX0zQ2bqPJWYopL4vdPEd/ ljQ2aHQHXtzrm//Tr92OEHQPZFfR+3M1cH0h2/+RKm/xchV5tF+xmrBrwgUzfFOwUb NCp+EYtA09iPA== Received: by keithp.com (Postfix, from userid 1000) id 573A91E6013A; Mon, 11 Oct 2021 16:32:03 -0700 (PDT) From: Keith Packard To: Ard Biesheuvel , linux-arm-kernel@lists.infradead.org, linux@armlinux.org.uk Cc: Ard Biesheuvel , Nicolas Pitre , Arnd Bergmann , Kees Cook , Linus Walleij Subject: Re: [PATCH 0/5] ARM: add vmap'ed stack support In-Reply-To: <20211008074127.435364-1-ardb@kernel.org> References: <20211008074127.435364-1-ardb@kernel.org> Date: Mon, 11 Oct 2021 16:32:03 -0700 Message-ID: <87r1crxhn0.fsf@keithp.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211011_163205_000666_03BD2522 X-CRM114-Status: GOOD ( 10.54 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============1568651590165096545==" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org --===============1568651590165096545== Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha256; protocol="application/pgp-signature" --=-=-= Content-Type: text/plain Content-Transfer-Encoding: quoted-printable Ard Biesheuvel writes: > Ard Biesheuvel (5): > ARM: memcpy: use frame pointer as unwind anchor > ARM: memmove: use frame pointer as unwind anchor > ARM: memset: clean up unwind annotations > ARM: unwind: disregard unwind info before stack frame is set up > ARM: implement support for vmap'ed stacks I've been testing these on my Raspberry Pi 2B (quad v7), including testing kernel stack overflow which now kills the related process rather than the whole system. Tested-by: Keith Packard =2D-=20 =2Dkeith --=-=-= Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEEw4O3eCVWE9/bQJ2R2yIaaQAAABEFAmFkyXMACgkQ2yIaaQAA ABF4AQ/+KI9zob2ld63EOq4OKhE1VZ2DFdsQ/w8WBiuXuQMOVzk3bej3zNcav+S2 X/pGb17g0Wss9dPttD5PMOrR6VeS96UCcXkTxvSGbTdDeftI+x2icR1hb+5oXVrH j6vh+q0jTA2A+y0HkUMzrlCgV2WZaBUAF77Ec9fYD3PQj3pM6K1YXRBdsc4cE7mW Zf8qifvz6aYPMEmKEnXhSxjEayz2ZNK+1AaimTQPRt6U2km7JkW834wLTUpoE4Wi jh9R09n+rTnDOTt1/dxhss8AtK6N10zsaUuPKDt6quagMq3aHIk5Wx8CvMEc0FSC ywa5bt9Z3ytTcnPMZIt/aSaf1r3ar49o/VLycjfGYGfAxXhWkqU5NZ3Me52LLw2E ocIpBmEGoojNjr1FhRjLeCTwcejpTvC4Z+HQFq/iD75NZIbyTYPEoISmy95sb4ih 5+3iCcOWOfqT+3yL2YPYfO+YZFnbpmxAfQCq1hT03W9fT2OsFqKEtP6kMBF+HwNq zl9q7L6Ar7m8ee+fiZUFmjPhPFweHVPRxz0VTJnnTmYx6TX3XvHRVOEfNv0PMRIO md70x1MZ6yacCnejvm4ahn3Xe0ePgqsgH/tizoL3Rj+sn17v2T5gXzg0MToPvC11 CTgOJS+bBHTYf3okpV+A3dsXAJBes1I4XwjGrnqtgrV2A5OsuFY= =K9GB -----END PGP SIGNATURE----- --=-=-=-- --===============1568651590165096545== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel --===============1568651590165096545==--