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Message-ID: <66ae49a8-d7f9-4fd9-b94e-9be26fd9aea4@paulmck-laptop> Date: Tue, 1 Apr 2025 17:07:17 -0700 From: "Paul E. McKenney" <paulmck@...nel.org> To: Dave Jiang <dave.jiang@...el.com> Cc: Venkat Rao Bagalkote <venkat88@...ux.ibm.com>, Dan Williams <dan.j.williams@...el.com>, Jason Gunthorpe <jgg@...dia.com>, linux-cxl@...r.kernel.org, dave@...olabs.net, jonathan.cameron@...wei.com, alison.schofield@...el.com, vishal.l.verma@...el.com, ira.weiny@...el.com, gourry@...rry.net, linux-kernel@...r.kernel.org, linux-next@...r.kernel.org, sfr@...b.auug.org.au, Madhavan Srinivasan <maddy@...ux.ibm.com> Subject: Re: [BUG -next] ./usr/include/cxl/features.h:11:10: fatal error: uuid/uuid.h: No such file or directory On Tue, Apr 01, 2025 at 08:15:55AM -0700, Dave Jiang wrote: > > > On 4/1/25 12:01 AM, Venkat Rao Bagalkote wrote: > > > > On 01/04/25 1:17 am, Dan Williams wrote: > >> Jason Gunthorpe wrote: > >>> On Mon, Mar 31, 2025 at 09:54:55AM -0700, Dan Williams wrote: > >>>> Jason Gunthorpe wrote: > >>>>> On Fri, Mar 28, 2025 at 05:26:42PM -0700, Dave Jiang wrote: > >>>>>>> For now the following builds for me, but it is a quite a mess to undo > >>>>>>> the assumption that that the hardware object definitions can not use > >>>>>>> uuid_t: > >>>>>> +Jason. > >>>>> Seems invasive? > >>>> Yeah, it left a bad taste for me as well. > >>>> > >>>>> Maybe just like below? > >>>> I like that this avoids converting to the kernel's uuid API, however, > >>>> not quite happy that it forces userspace to contend with the > >>>> type-conflict with uuid/uuid.h. > >>> Oh I see > >>> > >>>> So how about one more riff on your idea? > >>> Sure, works for me, please post it.. > >> b4 am supports scissors lines, so: > >> > >> b4 am -P _ 67eac8df3e217_201f02948d@...llia2-xfh.jf.intel.com.notmuch > >> > >> ...works for me. Do you still need a separate posting? > >> > > > > This issue got introduced in next-20250307 and got fixed in next-20250311(not sure what fixed). > > > > But again got re-introduced in next-20250318. I tried bisection, below are the logs. > > > > One of the things I tried is to install the UUID packages on my set up and after installing those packages, issue is not seen. > > > > rpm -qa | grep uuid > > > > libuuid-2.37.4-20.el9.ppc64le > > uuid-1.6.2-55.el9.ppc64le > > uuid-c++-1.6.2-55.el9.ppc64le > > uuid-dce-1.6.2-55.el9.ppc64le > > uuid-devel-1.6.2-55.el9.ppc64le > > uuidd-2.37.4-20.el9.ppc64le > > libuuid-devel-2.37.4-20.el9.ppc64le > > > > So wondering is this not a setup issue? Please advice. > > uuid/uuid.h only exists if the libuuid-devel package gets installed. And it seems that's where it resides in userspace. Just to double-check... As of some fairly recent time, it is now necessary to install the above seven userspace packages if one wants to do an allmodconfig build of the kernel? Or will there be a change similar to the ones put forward earlier in this thread that will allow such builds to be carried out without additional userspace packages needing to be installed? I of course do have some concerns about the number of userspace packages that might be required if CXL is adding seven of them... ;-) Thanx, Paul > DJ > > > > > > > Bisect Log: > > > > git bisect log > > git bisect start > > # status: waiting for both good and bad commits > > # bad: [c4d4884b67802c41fd67399747165d65c770621a] Add linux-next specific files for 20250318 > > git bisect bad c4d4884b67802c41fd67399747165d65c770621a > > # status: waiting for good commit(s), bad commit known > > # good: [4701f33a10702d5fc577c32434eb62adde0a1ae1] Linux 6.14-rc7 > > git bisect good 4701f33a10702d5fc577c32434eb62adde0a1ae1 > > # good: [cda4d1b29991d4500e9f65c6936b5d3ccd99ecbb] Merge branch 'spi-nor/next' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git > > git bisect good cda4d1b29991d4500e9f65c6936b5d3ccd99ecbb > > # good: [9b22611592aa21d10f7d1b89352a618436dea7ac] Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd.git > > git bisect good 9b22611592aa21d10f7d1b89352a618436dea7ac > > # good: [264791f7669a8246d129cbb935c861debba2f116] Merge branch 'driver-core-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git > > git bisect good 264791f7669a8246d129cbb935c861debba2f116 > > # good: [3c51cb2d6ec7cecf724cd5d78a0633f61f31e726] Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux.git > > git bisect good 3c51cb2d6ec7cecf724cd5d78a0633f61f31e726 > > # good: [612481dbc16505cf5e940809ebf36d8460d174cf] Merge branch 'main' of git://git.infradead.org/users/willy/xarray.git > > git bisect good 612481dbc16505cf5e940809ebf36d8460d174cf > > # bad: [892715be4379deb333376e573113fd75672eca6c] Merge branch 'rust-next' of https://github.com/Rust-for-Linux/linux.git > > git bisect bad 892715be4379deb333376e573113fd75672eca6c > > # bad: [b33f4167a8a2b9b9cc6b3e06f79b030db82cf530] Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl.git > > git bisect bad b33f4167a8a2b9b9cc6b3e06f79b030db82cf530 > > # good: [3b5d43245f0a56390baaa670e1b6d898772266b3] Merge branch 'for-6.15/features' into cxl-for-next > > git bisect good 3b5d43245f0a56390baaa670e1b6d898772266b3 > > # good: [d11af4ae2169672b690a4d07a9dfdfd76c082683] Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/andy/linux-auxdisplay.git > > git bisect good d11af4ae2169672b690a4d07a9dfdfd76c082683 > > # bad: [5908f3ed6dc209e5c824e63afda7545805f75a7e] cxl: Add support to handle user feature commands for get feature > > git bisect bad 5908f3ed6dc209e5c824e63afda7545805f75a7e > > # good: [18285acc2c047cda2449f426c09fc8969b04b8b1] fwctl: Add documentation > > git bisect good 18285acc2c047cda2449f426c09fc8969b04b8b1 > > # good: [15a26c223fff58d9fa4ada12a8c35697f8ecdf6c] Merge branch 'for-6.15/features' into fwctl > > git bisect good 15a26c223fff58d9fa4ada12a8c35697f8ecdf6c > > # bad: [9b8e73cdb1418f7c251c43b2082218ed9c0d0fee] cxl: Move cxl feature command structs to user header > > git bisect bad 9b8e73cdb1418f7c251c43b2082218ed9c0d0fee > > # good: [858ce2f56b5253063f61f6b1c58a6dbf5d71da0b] cxl: Add FWCTL support to CXL > > git bisect good 858ce2f56b5253063f61f6b1c58a6dbf5d71da0b > > # first bad commit: [9b8e73cdb1418f7c251c43b2082218ed9c0d0fee] cxl: Move cxl feature command structs to user header > > > > 9b8e73cdb1418f7c251c43b2082218ed9c0d0fee is the first bad commit > > commit 9b8e73cdb1418f7c251c43b2082218ed9c0d0fee > > Author: Dave Jiang <dave.jiang@...el.com> > > Date: Fri Mar 7 13:55:32 2025 -0700 > > > > cxl: Move cxl feature command structs to user header > > > > In preparation for cxl fwctl enabling, move data structures related to > > cxl feature commands to a user header file. > > > > Reviewed-by; Jonathan Cameron <Jonathan.Cameron@...wei.com> > > > > Link: https://patch.msgid.link/r/20250307205648.1021626-3-dave.jiang@intel.com > > Reviewed-by: Dan Williams <dan.j.williams@...el.com> > > Reviewed-by: Li Ming <ming.li@...omail.com> > > Signed-off-by: Dave Jiang <dave.jiang@...el.com> > > Signed-off-by: Jason Gunthorpe <jgg@...dia.com> > > > > include/cxl/features.h | 112 +---------------------------- > > include/uapi/cxl/features.h | 169 ++++++++++++++++++++++++++++++++++++++++++++ > > 2 files changed, 170 insertions(+), 111 deletions(-) > > create mode 100644 include/uapi/cxl/features.h > > > > > > Regards, > > > > Venkat. > > >
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