From mboxrd@z Thu Jan 1 00:00:00 1970 From: Doug Ledford Subject: Re: [GIT PULL] Please pull rdma.git Date: Mon, 29 Apr 2019 14:17:35 -0400 Message-ID: References: <48cbd548d153d1d2a1cf6c4f2127a6cef5d55deb.camel@redhat.com> <20190429180055.GX6705@mtr-leonro.mtl.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg="pgp-sha256"; protocol="application/pgp-signature"; boundary="=-2eZdFUzIMtb2itTLVoq5" Return-path: In-Reply-To: <20190429180055.GX6705@mtr-leonro.mtl.com> Sender: linux-kernel-owner@vger.kernel.org To: Leon Romanovsky Cc: Linus Torvalds , linux-rdma , linux-kernel , "Gunthorpe, Jason" List-Id: linux-rdma@vger.kernel.org --=-2eZdFUzIMtb2itTLVoq5 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Mon, 2019-04-29 at 21:00 +0300, Leon Romanovsky wrote: > On Mon, Apr 29, 2019 at 01:13:01PM -0400, Doug Ledford wrote: > > On Mon, 2019-04-29 at 09:48 -0700, Linus Torvalds wrote: > > > On Mon, Apr 29, 2019 at 9:29 AM Doug Ledford wr= ote: > > > > drivers/infiniband/core/uverbs_main.c | 2 +- > > > > 1 file changed, 1 insertion(+), 1 deletion(-) > > >=20 > > > This trivial one-liner is actually incorrect. > > >=20 > > > It should use 'vmf->address', because the point of the ZERO_PAGE > > > argument is to pick the page with the right virtual address alias for > > > broken architectures that need those kinds. > > >=20 > > > I'm actually surprised s390 wants it, usually it's just MIPS that has > > > the horribly broken virtual address translation stuff. But it looks > > > like for s390 it's at least only a performance issue (ie it causes > > > some aliases in L1 that cause cacheline ping-pong rather than anythin= g > > > else). > >=20 > > That's what I get for listening to Jason ;-) > >=20 > > Well, since you have just essentially re-written the patch to be > > correct, you are now the developer of origin. Do you want to commit th= e > > fix directly or shall I respin it for you to pull? >=20 > Linus already committed it. >=20 > The whole breakage is mystery for me, the patch which introduced > breakage, got successful build report from 0-build. Yeah, successful 0-day build is a good indicator, but not a guarantee.=20 You just can't test all possible permutations and sometimes things slip by. But it's still way better than 20 years ago when half the patches weren't even compile tested before coming to Linus ;-) --=20 Doug Ledford GPG KeyID: B826A3330E572FDD Key fingerprint =3D AE6B 1BDA 122B 23B4 265B 1274 B826 A333 0E57 2FDD --=-2eZdFUzIMtb2itTLVoq5 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEErmsb2hIrI7QmWxJ0uCajMw5XL90FAlzHP78ACgkQuCajMw5X L92gIhAAhHD/7IR34R4xzYk2X98RUqCX2VTgKH7h6OBT64zivmEk/LD2La5hIztt BwcUg1rPJRW57zRBCLHjvVuc81nxgKHBs7LEoOlk8CRrE/kao2MyzvaOBwAr/k/K 6Gj29sYFNGh0MX7/zPsccMCHR5B0vyJyn2C5XDyTflEhC2QKXiXJCKkq3cQZ63uv 21bpojWSYrYoedrTFzzakZkapX2qCxK53jKZWcqllNzjtNAbMlPctuNAReoa15bd fUYQg6ZUQ1XhZ8H1aVBDICKvFNK1D0eNdGjhpaIlwGGCpEYzPo+EJknlIpQzJIR5 IuAbVVZ04pGpzVL71Z+XXCC3B4M4O0Gxr+6yHZ7sGD/76KZM6cAdu572kFWDoJ/J 1gAC+svTgHat7kbH/YZXaVAED7Bf5mPbcq0pfSeAbbdwtktMgNcm1rwURc/ByAFT MQ/0X3Hz0x9gtglnX+OgBCuf/JcSSsfNHJrG7fB5UAxxrMs6gVwk1s51Ayo7Gr+l 1Grn7ESSb0cQMgs4VmzkZGzE/FtuWMor+idFp/ytSI7UrhPYTswDftVt8/9WuK7m GteXJ0BF39SDp0UZMrY+SYRJXI8mjLSoANn/JSA+7UOMPOdKJB/rI6y1K7HM/qZD VoWKibOfLnv58LF653qlXAAp3pmoBDLDTMktwWCWgVlEhZyTJHM= =8lQW -----END PGP SIGNATURE----- --=-2eZdFUzIMtb2itTLVoq5--