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Date:      Thu, 17 Oct 2024 12:56:00 -0600
From:      Warner Losh <imp@bsdimp.com>
To:        Jessica Clarke <jrtc27@freebsd.org>
Cc:        Wolfram Schneider <wosch@freebsd.org>, Warner Losh <imp@freebsd.org>,  src-committers <src-committers@freebsd.org>,  "<dev-commits-src-all@freebsd.org>" <dev-commits-src-all@freebsd.org>,  "<dev-commits-src-main@freebsd.org>" <dev-commits-src-main@freebsd.org>
Subject:   Re: git: 1a37caeb076b - main - modules: Add missing opt_*.h files for stand-alone compile
Message-ID:  <CANCZdfoDVhZ8x2LLh0tGhhzUpHc%2BphUdpeWOD66JzQj34OOZ5Q@mail.gmail.com>
In-Reply-To: <8549EB6C-DB57-4ECC-8020-C799F9789D5F@freebsd.org>
References:  <202410122058.49CKwkrP038188@gitrepo.freebsd.org> <CAMWY7CDGAM_F3cn86DZuUgghF7g8BDnSgTbwr4s_JQPE8uUxKg@mail.gmail.com> <CANCZdfrVapV2VBvLFxAhMpbLeYPJRvV3BT1D3UxBP-nR2zPEiQ@mail.gmail.com> <8549EB6C-DB57-4ECC-8020-C799F9789D5F@freebsd.org>

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[-- Attachment #1 --]
On Thu, Oct 17, 2024 at 12:26 PM Jessica Clarke <jrtc27@freebsd.org> wrote:

> On 17 Oct 2024, at 19:20, Warner Losh <imp@bsdimp.com> wrote:
> >
> >
> >
> > On Thu, Oct 17, 2024, 11:29 AM Wolfram Schneider <wosch@freebsd.org>
> wrote:
> >> On Sat, 12 Oct 2024 at 22:58, Warner Losh <imp@freebsd.org> wrote:
> >> >
> >> > The branch main has been updated by imp:
> >> >
> >> > URL:
> https://cgit.FreeBSD.org/src/commit/?id=1a37caeb076b9d31e13c54691d7f1eeb589798bb
> >> >
> >> > commit 1a37caeb076b9d31e13c54691d7f1eeb589798bb
> >> > Author:     Warner Losh <imp@FreeBSD.org>
> >> > AuthorDate: 2024-10-12 20:40:41 +0000
> >> > Commit:     Warner Losh <imp@FreeBSD.org>
> >> > CommitDate: 2024-10-12 20:40:41 +0000
> >> >
> >> >     modules: Add missing opt_*.h files for stand-alone compile
> >> >
> >> >     Standalone compile that we at least create these opt_*.h files.
> >> >
> >> >     Sponsored by:           Netflix
> >> > ---
> >> >  sys/modules/linux/Makefile   | 2 ++
> >> >  sys/modules/linux64/Makefile | 5 ++++-
> >> >  2 files changed, 6 insertions(+), 1 deletion(-)
> >> >
> >> > diff --git a/sys/modules/linux/Makefile b/sys/modules/linux/Makefile
> >> > index eb4e17ec706b..36dfbbe2192f 100644
> >> > --- a/sys/modules/linux/Makefile
> >> > +++ b/sys/modules/linux/Makefile
> >> > @@ -33,6 +33,7 @@ SRCS= linux${SFX}_dummy_machdep.c \
> >> >         linux_uid16.c \
> >> >         linux_vdso.c \
> >> >         linux_xattr.c \
> >> > +       opt_compat.h \
> >> >         opt_inet.h \
> >> >         opt_inet6.h \
> >> >         opt_ktrace.h \
> >> > @@ -41,6 +42,7 @@ SRCS= linux${SFX}_dummy_machdep.c \
> >> >         bus_if.h \
> >> >         device_if.h \
> >> >         vnode_if.h
> >> > +
> >> >  .if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64"
> >> >  SRCS+= linux_dummy_x86.c
> >> >  VDSODEPS=linux_vdso_gettc_x86.inc
> >> > diff --git a/sys/modules/linux64/Makefile
> b/sys/modules/linux64/Makefile
> >> > index b23891a65a4f..119d90126ab3 100644
> >> > --- a/sys/modules/linux64/Makefile
> >> > +++ b/sys/modules/linux64/Makefile
> >> > @@ -28,14 +28,17 @@ SRCS=       linux_dummy_machdep.c \
> >> >         linux_vdso.c \
> >> >         linux_timer.c \
> >> >         linux_xattr.c \
> >> > -       opt_ktrace.h \
> >> > +       opt_compat.h \
> >> >         opt_inet6.h \
> >> > +       opt_ktrace.h \
> >> >         opt_posix.h \
> >> > +       opt_usb.h \
> >> >         bus_if.h \
> >> >         device_if.h \
> >> >         vnode_if.h \
> >> >         linux_support.S \
> >> >         linux_vdso_inc.S
> >> > +
> >> >  .if ${MACHINE_CPUARCH} == "amd64"
> >> >  SRCS+= linux_dummy_x86.c
> >> >  .endif
> >>
> >> After this commit I get stale symlinks in /usr/obj
> >>
> >> make -j$(nproc) buildworld  > log.buildworld 2>&1; make -j$(nproc)
> >> buildkernel >& log.buildkernel;
> >> ./tools/build/stale-symlink-buildworld.sh
> >>
> >> amd64:
> >> stale symlink detected: lrwxrwxr-x  1 wosch wheel 95 Oct 17 17:00
> >>
> /scratch/tmp/wosch/freebsd/home/wosch/projects/freebsd-src/amd64.amd64/sys/GENERIC/modules/home/wosch/projects/freebsd-src/sys/modules/linux/opt_compat.h
> >> ->
> /scratch/tmp/wosch/freebsd/home/wosch/projects/freebsd-src/amd64.amd64/sys/GENERIC/opt_compat.h
> >>
> >> stale symlink detected: lrwxrwxr-x  1 wosch wheel 95 Oct 17 17:00
> >>
> /scratch/tmp/wosch/freebsd/home/wosch/projects/freebsd-src/amd64.amd64/sys/GENERIC/modules/home/wosch/projects/freebsd-src/sys/modules/linux64/opt_compat.h
> >> ->
> /scratch/tmp/wosch/freebsd/home/wosch/projects/freebsd-src/amd64.amd64/sys/GENERIC/opt_compat.h
> >>
> >> arm64:
> >> stale symlink detected: lrwxr-xr-x  1 root wheel 73 Oct 17 17:18
> >>
> /usr/obj/home/projects/freebsd-src/arm64.aarch64/sys/GENERIC/modules/home/projects/freebsd-src/sys/modules/linux64/opt_compat.h
> >> ->
> /usr/obj/home/projects/freebsd-src/arm64.aarch64/sys/GENERIC/opt_compat.h
> >>
> >> see also PR: 276235
> >
> > The symlinks look right to me. What makes them stale?
>
> Given the script does find -H -type l, it’ll be that they point to
> non-existent files. I don’t know what opt_compat.h is for Netflix but
> there’s no such thing in-tree, these are the only references to it.
>

Ah, but there use to be...  I rebased a tree that had a number of similar
cleanups across
its removal and didn't notice. And my checks of my tree turned that file
up, but I didn't
notice it was in a tree I'd not built out of since before the change:

commit 06c07e1203324bfe8ab4526c82dbb750864272d5
Author: Dmitry Chagin <dchagin@FreeBSD.org>
Date:   Mon Feb 13 19:07:38 2023 +0300

    Complete removal of opt_compat.h

    Since Linux emulation layer build options was removed there is no reason
    to keep opt_compat.h.

    Reviewed by:            emaste
    Differential Revision:  https://reviews.freebsd.org/D38548
    MFC after:              2 weeks

So I've reverted since opt_usb.h was also removed from linuxulator.

Warner

[-- Attachment #2 --]
<div dir="ltr"><div dir="ltr"><br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Oct 17, 2024 at 12:26 PM Jessica Clarke &lt;<a href="mailto:jrtc27@freebsd.org">jrtc27@freebsd.org</a>&gt; wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">On 17 Oct 2024, at 19:20, Warner Losh &lt;<a href="mailto:imp@bsdimp.com" target="_blank">imp@bsdimp.com</a>&gt; wrote:<br>
&gt; <br>
&gt; <br>
&gt; <br>
&gt; On Thu, Oct 17, 2024, 11:29 AM Wolfram Schneider &lt;<a href="mailto:wosch@freebsd.org" target="_blank">wosch@freebsd.org</a>&gt; wrote:<br>
&gt;&gt; On Sat, 12 Oct 2024 at 22:58, Warner Losh &lt;<a href="mailto:imp@freebsd.org" target="_blank">imp@freebsd.org</a>&gt; wrote:<br>
&gt;&gt; &gt;<br>
&gt;&gt; &gt; The branch main has been updated by imp:<br>
&gt;&gt; &gt;<br>
&gt;&gt; &gt; URL: <a href="https://cgit.FreeBSD.org/src/commit/?id=1a37caeb076b9d31e13c54691d7f1eeb589798bb" rel="noreferrer" target="_blank">https://cgit.FreeBSD.org/src/commit/?id=1a37caeb076b9d31e13c54691d7f1eeb589798bb</a><br>;
&gt;&gt; &gt;<br>
&gt;&gt; &gt; commit 1a37caeb076b9d31e13c54691d7f1eeb589798bb<br>
&gt;&gt; &gt; Author:     Warner Losh &lt;imp@FreeBSD.org&gt;<br>
&gt;&gt; &gt; AuthorDate: 2024-10-12 20:40:41 +0000<br>
&gt;&gt; &gt; Commit:     Warner Losh &lt;imp@FreeBSD.org&gt;<br>
&gt;&gt; &gt; CommitDate: 2024-10-12 20:40:41 +0000<br>
&gt;&gt; &gt;<br>
&gt;&gt; &gt;     modules: Add missing opt_*.h files for stand-alone compile<br>
&gt;&gt; &gt;<br>
&gt;&gt; &gt;     Standalone compile that we at least create these opt_*.h files.<br>
&gt;&gt; &gt;<br>
&gt;&gt; &gt;     Sponsored by:           Netflix<br>
&gt;&gt; &gt; ---<br>
&gt;&gt; &gt;  sys/modules/linux/Makefile   | 2 ++<br>
&gt;&gt; &gt;  sys/modules/linux64/Makefile | 5 ++++-<br>
&gt;&gt; &gt;  2 files changed, 6 insertions(+), 1 deletion(-)<br>
&gt;&gt; &gt;<br>
&gt;&gt; &gt; diff --git a/sys/modules/linux/Makefile b/sys/modules/linux/Makefile<br>
&gt;&gt; &gt; index eb4e17ec706b..36dfbbe2192f 100644<br>
&gt;&gt; &gt; --- a/sys/modules/linux/Makefile<br>
&gt;&gt; &gt; +++ b/sys/modules/linux/Makefile<br>
&gt;&gt; &gt; @@ -33,6 +33,7 @@ SRCS= linux${SFX}_dummy_machdep.c \<br>
&gt;&gt; &gt;         linux_uid16.c \<br>
&gt;&gt; &gt;         linux_vdso.c \<br>
&gt;&gt; &gt;         linux_xattr.c \<br>
&gt;&gt; &gt; +       opt_compat.h \<br>
&gt;&gt; &gt;         opt_inet.h \<br>
&gt;&gt; &gt;         opt_inet6.h \<br>
&gt;&gt; &gt;         opt_ktrace.h \<br>
&gt;&gt; &gt; @@ -41,6 +42,7 @@ SRCS= linux${SFX}_dummy_machdep.c \<br>
&gt;&gt; &gt;         bus_if.h \<br>
&gt;&gt; &gt;         device_if.h \<br>
&gt;&gt; &gt;         vnode_if.h<br>
&gt;&gt; &gt; +<br>
&gt;&gt; &gt;  .if ${MACHINE_CPUARCH} == &quot;i386&quot; || ${MACHINE_CPUARCH} == &quot;amd64&quot;<br>
&gt;&gt; &gt;  SRCS+= linux_dummy_x86.c<br>
&gt;&gt; &gt;  VDSODEPS=linux_vdso_gettc_x86.inc<br>
&gt;&gt; &gt; diff --git a/sys/modules/linux64/Makefile b/sys/modules/linux64/Makefile<br>
&gt;&gt; &gt; index b23891a65a4f..119d90126ab3 100644<br>
&gt;&gt; &gt; --- a/sys/modules/linux64/Makefile<br>
&gt;&gt; &gt; +++ b/sys/modules/linux64/Makefile<br>
&gt;&gt; &gt; @@ -28,14 +28,17 @@ SRCS=       linux_dummy_machdep.c \<br>
&gt;&gt; &gt;         linux_vdso.c \<br>
&gt;&gt; &gt;         linux_timer.c \<br>
&gt;&gt; &gt;         linux_xattr.c \<br>
&gt;&gt; &gt; -       opt_ktrace.h \<br>
&gt;&gt; &gt; +       opt_compat.h \<br>
&gt;&gt; &gt;         opt_inet6.h \<br>
&gt;&gt; &gt; +       opt_ktrace.h \<br>
&gt;&gt; &gt;         opt_posix.h \<br>
&gt;&gt; &gt; +       opt_usb.h \<br>
&gt;&gt; &gt;         bus_if.h \<br>
&gt;&gt; &gt;         device_if.h \<br>
&gt;&gt; &gt;         vnode_if.h \<br>
&gt;&gt; &gt;         linux_support.S \<br>
&gt;&gt; &gt;         linux_vdso_inc.S<br>
&gt;&gt; &gt; +<br>
&gt;&gt; &gt;  .if ${MACHINE_CPUARCH} == &quot;amd64&quot;<br>
&gt;&gt; &gt;  SRCS+= linux_dummy_x86.c<br>
&gt;&gt; &gt;  .endif<br>
&gt;&gt; <br>
&gt;&gt; After this commit I get stale symlinks in /usr/obj<br>
&gt;&gt; <br>
&gt;&gt; make -j$(nproc) buildworld  &gt; log.buildworld 2&gt;&amp;1; make -j$(nproc)<br>
&gt;&gt; buildkernel &gt;&amp; log.buildkernel;<br>
&gt;&gt; ./tools/build/stale-symlink-buildworld.sh<br>
&gt;&gt; <br>
&gt;&gt; amd64:<br>
&gt;&gt; stale symlink detected: lrwxrwxr-x  1 wosch wheel 95 Oct 17 17:00<br>
&gt;&gt; /scratch/tmp/wosch/freebsd/home/wosch/projects/freebsd-src/amd64.amd64/sys/GENERIC/modules/home/wosch/projects/freebsd-src/sys/modules/linux/opt_compat.h<br>
&gt;&gt; -&gt; /scratch/tmp/wosch/freebsd/home/wosch/projects/freebsd-src/amd64.amd64/sys/GENERIC/opt_compat.h<br>
&gt;&gt; <br>
&gt;&gt; stale symlink detected: lrwxrwxr-x  1 wosch wheel 95 Oct 17 17:00<br>
&gt;&gt; /scratch/tmp/wosch/freebsd/home/wosch/projects/freebsd-src/amd64.amd64/sys/GENERIC/modules/home/wosch/projects/freebsd-src/sys/modules/linux64/opt_compat.h<br>
&gt;&gt; -&gt; /scratch/tmp/wosch/freebsd/home/wosch/projects/freebsd-src/amd64.amd64/sys/GENERIC/opt_compat.h<br>
&gt;&gt; <br>
&gt;&gt; arm64:<br>
&gt;&gt; stale symlink detected: lrwxr-xr-x  1 root wheel 73 Oct 17 17:18<br>
&gt;&gt; /usr/obj/home/projects/freebsd-src/arm64.aarch64/sys/GENERIC/modules/home/projects/freebsd-src/sys/modules/linux64/opt_compat.h<br>
&gt;&gt; -&gt; /usr/obj/home/projects/freebsd-src/arm64.aarch64/sys/GENERIC/opt_compat.h<br>
&gt;&gt; <br>
&gt;&gt; see also PR: 276235<br>
&gt; <br>
&gt; The symlinks look right to me. What makes them stale?<br>
<br>
Given the script does find -H -type l, it’ll be that they point to<br>
non-existent files. I don’t know what opt_compat.h is for Netflix but<br>
there’s no such thing in-tree, these are the only references to it.<br></blockquote><div><br></div><div>Ah, but there use to be...  I rebased a tree that had a number of similar cleanups across</div><div>its removal and didn&#39;t notice. And my checks of my tree turned that file up, but I didn&#39;t</div><div>notice it was in a tree I&#39;d not built out of since before the change:</div><div><br></div><div>commit 06c07e1203324bfe8ab4526c82dbb750864272d5<br>Author: Dmitry Chagin &lt;dchagin@FreeBSD.org&gt;<br>Date:   Mon Feb 13 19:07:38 2023 +0300<br><br>    Complete removal of opt_compat.h<br><br>    Since Linux emulation layer build options was removed there is no reason<br>    to keep opt_compat.h.<br><br>    Reviewed by:            emaste<br>    Differential Revision:  <a href="https://reviews.freebsd.org/D38548">https://reviews.freebsd.org/D38548</a><br>    MFC after:              2 weeks<br></div><div><br></div><div>So I&#39;ve reverted since opt_usb.h was also removed from linuxulator.</div><div><br></div><div>Warner</div></div></div>

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