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    <title>Changes in link-vmlinux.sh</title>
    <description></description>
    <language>en</language>
    <copyright>Copyright 2025</copyright>
    <generator>Java</generator><item>
        <title>f4b369c6fe0ceaba2da2daff8c9eb415f85926dd - Merge branch &apos;next&apos; into for-linus</title>
        <link>http://opengrok.kc2vjw.com:8080/history/linux/scripts/link-vmlinux.sh#f4b369c6fe0ceaba2da2daff8c9eb415f85926dd</link>
        <description>Merge branch &apos;next&apos; into for-linusPrepare input updates for 7.1 merge window.

            List of files:
            /linux/scripts/link-vmlinux.sh</description>
        <pubDate>Mon, 20 Apr 2026 01:28:57 +0000</pubDate>
        <dc:creator>Dmitry Torokhov &lt;dmitry.torokhov@gmail.com&gt;</dc:creator>
    </item>
<item>
        <title>0421ccdfad0d92713a812a5aeb7d07b0ea7213c8 - Merge tag &apos;v7.0-rc3&apos; into next</title>
        <link>http://opengrok.kc2vjw.com:8080/history/linux/scripts/link-vmlinux.sh#0421ccdfad0d92713a812a5aeb7d07b0ea7213c8</link>
        <description>Merge tag &apos;v7.0-rc3&apos; into nextSync up with the mainline to brig up the latest changes, specificallychanges to ALPS driver.

            List of files:
            /linux/scripts/link-vmlinux.sh</description>
        <pubDate>Thu, 12 Mar 2026 17:44:42 +0000</pubDate>
        <dc:creator>Dmitry Torokhov &lt;dmitry.torokhov@gmail.com&gt;</dc:creator>
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        <title>42d3b66d4cdbacfc9d120d2301b8de89cc29a914 - Merge drm/drm-next into drm-xe-next</title>
        <link>http://opengrok.kc2vjw.com:8080/history/linux/scripts/link-vmlinux.sh#42d3b66d4cdbacfc9d120d2301b8de89cc29a914</link>
        <description>Merge drm/drm-next into drm-xe-nextBackmerging to bring in 7.00-rc3. Important ahead GPU SVM merging THPsupport.Signed-off-by: Matthew Brost &lt;matthew.brost@intel.com&gt;

            List of files:
            /linux/scripts/link-vmlinux.sh</description>
        <pubDate>Thu, 12 Mar 2026 14:17:56 +0000</pubDate>
        <dc:creator>Matthew Brost &lt;matthew.brost@intel.com&gt;</dc:creator>
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        <title>f09812b85fa6f41058bcc46e70ac406bf9b0493a - Merge drm/drm-next into drm-intel-next</title>
        <link>http://opengrok.kc2vjw.com:8080/history/linux/scripts/link-vmlinux.sh#f09812b85fa6f41058bcc46e70ac406bf9b0493a</link>
        <description>Merge drm/drm-next into drm-intel-nextSync with v7.0-rc1 which contains a few treewide changes affecting i915.Signed-off-by: Jani Nikula &lt;jani.nikula@intel.com&gt;

            List of files:
            /linux/scripts/link-vmlinux.sh</description>
        <pubDate>Wed, 25 Feb 2026 11:23:04 +0000</pubDate>
        <dc:creator>Jani Nikula &lt;jani.nikula@intel.com&gt;</dc:creator>
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        <title>8b85987d3cf50178f67618122d9f3bb202f62f42 - Merge drm/drm-next into drm-misc-next</title>
        <link>http://opengrok.kc2vjw.com:8080/history/linux/scripts/link-vmlinux.sh#8b85987d3cf50178f67618122d9f3bb202f62f42</link>
        <description>Merge drm/drm-next into drm-misc-nextLet&apos;s merge 7.0-rc1 to start the new drm-misc-next windowSigned-off-by: Maxime Ripard &lt;mripard@kernel.org&gt;

            List of files:
            /linux/scripts/link-vmlinux.sh</description>
        <pubDate>Mon, 23 Feb 2026 10:48:20 +0000</pubDate>
        <dc:creator>Maxime Ripard &lt;mripard@kernel.org&gt;</dc:creator>
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        <title>c17ee635fd3a482b2ad2bf5e269755c2eae5f25e - Merge drm/drm-fixes into drm-misc-fixes</title>
        <link>http://opengrok.kc2vjw.com:8080/history/linux/scripts/link-vmlinux.sh#c17ee635fd3a482b2ad2bf5e269755c2eae5f25e</link>
        <description>Merge drm/drm-fixes into drm-misc-fixes7.0-rc1 was just released, let&apos;s merge it to kick the new release cycle.Signed-off-by: Maxime Ripard &lt;mripard@kernel.org&gt;

            List of files:
            /linux/scripts/link-vmlinux.sh</description>
        <pubDate>Mon, 23 Feb 2026 09:09:45 +0000</pubDate>
        <dc:creator>Maxime Ripard &lt;mripard@kernel.org&gt;</dc:creator>
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        <title>df989b01b5f97dae8f9869cfacbda1308f2182c1 - Merge 7.0 Kbuild changes into kbuild-fixes</title>
        <link>http://opengrok.kc2vjw.com:8080/history/linux/scripts/link-vmlinux.sh#df989b01b5f97dae8f9869cfacbda1308f2182c1</link>
        <description>Merge 7.0 Kbuild changes into kbuild-fixeskbuild-fixes needs to be based on 6.19 to apply some fixes for  62089b804895 (&quot;kbuild: rpm-pkg: Generate debuginfo package manually&quot;)which landed in 6.19-rc1 but the new material of 7.0 needs fixes mergedas well.Signed-off-by: Nathan Chancellor &lt;nathan@kernel.org&gt;

            List of files:
            /linux/scripts/link-vmlinux.sh</description>
        <pubDate>Thu, 12 Feb 2026 16:28:27 +0000</pubDate>
        <dc:creator>Nathan Chancellor &lt;nathan@kernel.org&gt;</dc:creator>
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        <title>41f1a08645abb5ef7d2a3ed8835c747334878774 - Merge tag &apos;kbuild-7.0-1&apos; of git://git.kernel.org/pub/scm/linux/kernel/git/kbuild/linux</title>
        <link>http://opengrok.kc2vjw.com:8080/history/linux/scripts/link-vmlinux.sh#41f1a08645abb5ef7d2a3ed8835c747334878774</link>
        <description>Merge tag &apos;kbuild-7.0-1&apos; of git://git.kernel.org/pub/scm/linux/kernel/git/kbuild/linuxPull Kbuild/Kconfig updates from Nathan Chancellor: &quot;Kbuild:   - Drop &apos;*_probe&apos; pattern from modpost section check allowlist, which     hid legitimate warnings (Johan Hovold)   - Disable -Wtype-limits altogether, instead of enabling at W=2     (Vincent Mailhol)   - Improve UAPI testing to skip testing headers that require a libc     when CONFIG_CC_CAN_LINK is not set, opening up testing of headers     with no libc dependencies to more environments (Thomas Wei&#223;schuh)   - Update gendwarfksyms documentation with required dependencies     (Jihan LIN)   - Reject invalid LLVM= values to avoid unintentionally falling back     to system toolchain (Thomas Wei&#223;schuh)   - Add a script to help run the kernel build process in a container     for consistent environments and testing (Guillaume Tucker)   - Simplify kallsyms by getting rid of the relative base (Ard     Biesheuvel)   - Performance and usability improvements to scripts/make_fit.py     (Simon Glass)   - Minor various clean ups and fixes  Kconfig:   - Move XPM icons to individual files, clearing up GTK deprecation     warnings (Rostislav Krasny)   - Support        depends on FOO if BAR     as syntactic sugar for        depends on FOO || !BAR     (Nicolas Pitre, Graham Roff)   - Refactor merge_config.sh to use awk over shell/sed/grep,     dramatically speeding up processing large number of config     fragments (Anders Roxell, Mikko Rapeli)&quot;* tag &apos;kbuild-7.0-1&apos; of git://git.kernel.org/pub/scm/linux/kernel/git/kbuild/linux: (39 commits)  kbuild: remove dependency of run-command on config  scripts/make_fit: Compress dtbs in parallel  scripts/make_fit: Support a few more parallel compressors  kbuild: Support a FIT_EXTRA_ARGS environment variable  scripts/make_fit: Move dtb processing into a function  scripts/make_fit: Support an initial ramdisk  scripts/make_fit: Speed up operation  rust: kconfig: Don&apos;t require RUST_IS_AVAILABLE for rustc-option  MAINTAINERS: Add scripts/install.sh into Kbuild entry  modpost: Amend ppc64 save/restfpr symnames for -Os build  MIPS: tools: relocs: Ship a definition of R_MIPS_PC32  streamline_config.pl: remove superfluous exclamation mark  kbuild: dummy-tools: Add python3  scripts: kconfig: merge_config.sh: warn on duplicate input files  scripts: kconfig: merge_config.sh: use awk in checks too  scripts: kconfig: merge_config.sh: refactor from shell/sed/grep to awk  kallsyms: Get rid of kallsyms relative base  mips: Add support for PC32 relocations in vmlinux  Documentation: dev-tools: add container.rst page  scripts: add tool to run containerized builds  ...

            List of files:
            /linux/scripts/link-vmlinux.sh</description>
        <pubDate>Wed, 11 Feb 2026 21:40:35 +0000</pubDate>
        <dc:creator>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</dc:creator>
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        <title>f17b474e36647c23801ef8fdaf2255ab66dd2973 - Merge tag &apos;bpf-next-7.0&apos; of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next</title>
        <link>http://opengrok.kc2vjw.com:8080/history/linux/scripts/link-vmlinux.sh#f17b474e36647c23801ef8fdaf2255ab66dd2973</link>
        <description>Merge tag &apos;bpf-next-7.0&apos; of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-nextPull bpf updates from Alexei Starovoitov: - Support associating BPF program with struct_ops (Amery Hung) - Switch BPF local storage to rqspinlock and remove recursion detection   counters which were causing false positives (Amery Hung) - Fix live registers marking for indirect jumps (Anton Protopopov) - Introduce execution context detection BPF helpers (Changwoo Min) - Improve verifier precision for 32bit sign extension pattern   (Cupertino Miranda) - Optimize BTF type lookup by sorting vmlinux BTF and doing binary   search (Donglin Peng) - Allow states pruning for misc/invalid slots in iterator loops (Eduard   Zingerman) - In preparation for ASAN support in BPF arenas teach libbpf to move   global BPF variables to the end of the region and enable arena kfuncs   while holding locks (Emil Tsalapatis) - Introduce support for implicit arguments in kfuncs and migrate a   number of them to new API. This is a prerequisite for cgroup   sub-schedulers in sched-ext (Ihor Solodrai) - Fix incorrect copied_seq calculation in sockmap (Jiayuan Chen) - Fix ORC stack unwind from kprobe_multi (Jiri Olsa) - Speed up fentry attach by using single ftrace direct ops in BPF   trampolines (Jiri Olsa) - Require frozen map for calculating map hash (KP Singh) - Fix lock entry creation in TAS fallback in rqspinlock (Kumar   Kartikeya Dwivedi) - Allow user space to select cpu in lookup/update operations on per-cpu   array and hash maps (Leon Hwang) - Make kfuncs return trusted pointers by default (Matt Bobrowski) - Introduce &quot;fsession&quot; support where single BPF program is executed   upon entry and exit from traced kernel function (Menglong Dong) - Allow bpf_timer and bpf_wq use in all programs types (Mykyta   Yatsenko, Andrii Nakryiko, Kumar Kartikeya Dwivedi, Alexei   Starovoitov) - Make KF_TRUSTED_ARGS the default for all kfuncs and clean up their   definition across the tree (Puranjay Mohan) - Allow BPF arena calls from non-sleepable context (Puranjay Mohan) - Improve register id comparison logic in the verifier and extend   linked registers with negative offsets (Puranjay Mohan) - In preparation for BPF-OOM introduce kfuncs to access memcg events   (Roman Gushchin) - Use CFI compatible destructor kfunc type (Sami Tolvanen) - Add bitwise tracking for BPF_END in the verifier (Tianci Cao) - Add range tracking for BPF_DIV and BPF_MOD in the verifier (Yazhou   Tang) - Make BPF selftests work with 64k page size (Yonghong Song)* tag &apos;bpf-next-7.0&apos; of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (268 commits)  selftests/bpf: Fix outdated test on storage-&gt;smap  selftests/bpf: Choose another percpu variable in bpf for btf_dump test  selftests/bpf: Remove test_task_storage_map_stress_lookup  selftests/bpf: Update task_local_storage/task_storage_nodeadlock test  selftests/bpf: Update task_local_storage/recursion test  selftests/bpf: Update sk_storage_omem_uncharge test  bpf: Switch to bpf_selem_unlink_nofail in bpf_local_storage_{map_free, destroy}  bpf: Support lockless unlink when freeing map or local storage  bpf: Prepare for bpf_selem_unlink_nofail()  bpf: Remove unused percpu counter from bpf_local_storage_map_free  bpf: Remove cgroup local storage percpu counter  bpf: Remove task local storage percpu counter  bpf: Change local_storage-&gt;lock and b-&gt;lock to rqspinlock  bpf: Convert bpf_selem_unlink to failable  bpf: Convert bpf_selem_link_map to failable  bpf: Convert bpf_selem_unlink_map to failable  bpf: Select bpf_local_storage_map_bucket based on bpf_local_storage  selftests/xsk: fix number of Tx frags in invalid packet  selftests/xsk: properly handle batch ending in the middle of a packet  bpf: Prevent reentrance into call_rcu_tasks_trace()  ...

            List of files:
            /linux/scripts/link-vmlinux.sh</description>
        <pubDate>Tue, 10 Feb 2026 19:26:21 +0000</pubDate>
        <dc:creator>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</dc:creator>
    </item>
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        <title>ec496f77b4c11036cc835d6f045fb5e5ef1e6530 - Merge branch &apos;for-6.20/sony&apos; into for-linus</title>
        <link>http://opengrok.kc2vjw.com:8080/history/linux/scripts/link-vmlinux.sh#ec496f77b4c11036cc835d6f045fb5e5ef1e6530</link>
        <description>Merge branch &apos;for-6.20/sony&apos; into for-linus- Support for Rock band 4 PS4 and PS5 guitars (Rosalie Wanders)

            List of files:
            /linux/scripts/link-vmlinux.sh</description>
        <pubDate>Mon, 09 Feb 2026 16:33:26 +0000</pubDate>
        <dc:creator>Jiri Kosina &lt;jkosina@suse.com&gt;</dc:creator>
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        <title>a081b5789255d27b76cd2cbab85676b2a31dbde1 - kallsyms: Get rid of kallsyms relative base</title>
        <link>http://opengrok.kc2vjw.com:8080/history/linux/scripts/link-vmlinux.sh#a081b5789255d27b76cd2cbab85676b2a31dbde1</link>
        <description>kallsyms: Get rid of kallsyms relative baseWhen the kallsyms relative base was introduced, per-CPU variablereferences on x86_64 SMP were implemented as offsets into the respectiveper-CPU region, rather than offsets relative to the location of thevariable&apos;s template in the kernel image, which is how otherarchitectures implement it.This required kallsyms to reason about the difference between the two,and the sign of the value in the kallsyms_offsets[] array was used todistinguish them. This meant that negative offsets were not permittedfor ordinary variables, and so it was crucial that the relative base waschosen such that all offsets were positive numbers.This is no longer needed: instead, the offsets can simply be encoded asvalues in the range -/+ 2 GiB, which is precisely what PC32 relocationsprovide on most architectures. So it is possible to simplify the logic,and just use _text as the anchor directly, and let the linker calculatethe final value based on the location of the entry itself.Some architectures (nios2, extensa) do not support place-relativerelocations at all, but these are all 32-bit and non-relocatable, and sothere is no need for place-relative relocations in the first place, andthe actual symbol values can just be stored directly.This makes all entries in the kallsyms_offsets[] array visible asplace-relative references in the ELF metadata, which will be importantwhen implementing ELF-based fg-kaslr.Reviewed-by: Kees Cook &lt;kees@kernel.org&gt;Signed-off-by: Ard Biesheuvel &lt;ardb@kernel.org&gt;Link: https://patch.msgid.link/20260116093359.2442297-6-ardb+git@google.comSigned-off-by: Nathan Chancellor &lt;nathan@kernel.org&gt;

            List of files:
            /linux/scripts/link-vmlinux.sh</description>
        <pubDate>Fri, 16 Jan 2026 09:34:02 +0000</pubDate>
        <dc:creator>Ard Biesheuvel &lt;ardb@kernel.org&gt;</dc:creator>
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        <title>26ad5d6e763070aa146d86b941884b11eb1ac0aa - scripts/gen-btf.sh: Use CONFIG_SHELL for execution</title>
        <link>http://opengrok.kc2vjw.com:8080/history/linux/scripts/link-vmlinux.sh#26ad5d6e763070aa146d86b941884b11eb1ac0aa</link>
        <description>scripts/gen-btf.sh: Use CONFIG_SHELL for executionAccording to the docs [1], kernel build scripts should be executed viaCONFIG_SHELL, which is sh by default.Fixup gen-btf.sh to be runnable with sh, and use CONFIG_SHELL at everyinvocation site.See relevant discussion for context [2].[1] https://docs.kernel.org/kbuild/makefiles.html#script-invocation[2] https://lore.kernel.org/bpf/CAADnVQ+dxmSNoJAGb6xV89ffUCKXe5CJXovXZt22nv5iYFV5mw@mail.gmail.com/Signed-off-by: Ihor Solodrai &lt;ihor.solodrai@linux.dev&gt;Tested-by: Gary Guo &lt;gary@garyguo.net&gt;Reported-by: Gary Guo &lt;gary@garyguo.net&gt;Suggested-by: Thomas Wei&#223;schuh &lt;linux@weissschuh.net&gt;Fixes: 522397d05e7d (&quot;resolve_btfids: Change in-place update with raw binary output&quot;)Link: https://lore.kernel.org/r/20260121181617.820300-1-ihor.solodrai@linux.devSigned-off-by: Alexei Starovoitov &lt;ast@kernel.org&gt;

            List of files:
            /linux/scripts/link-vmlinux.sh</description>
        <pubDate>Wed, 21 Jan 2026 18:16:17 +0000</pubDate>
        <dc:creator>Ihor Solodrai &lt;ihor.solodrai@linux.dev&gt;</dc:creator>
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        <title>cc4adab164b772a34b3340d644b7c4728498581e - Merge tag &apos;v6.19-rc1&apos; into msm-next</title>
        <link>http://opengrok.kc2vjw.com:8080/history/linux/scripts/link-vmlinux.sh#cc4adab164b772a34b3340d644b7c4728498581e</link>
        <description>Merge tag &apos;v6.19-rc1&apos; into msm-nextMerge Linux 6.19-rc1 in order to catch up with other changes (e.g. UBWCconfig database defining UBWC_6).Signed-off-by: Dmitry Baryshkov &lt;dmitry.baryshkov@oss.qualcomm.com&gt;

            List of files:
            /linux/scripts/link-vmlinux.sh</description>
        <pubDate>Tue, 20 Jan 2026 22:06:55 +0000</pubDate>
        <dc:creator>Dmitry Baryshkov &lt;dmitry.baryshkov@oss.qualcomm.com&gt;</dc:creator>
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        <title>453dece55bb1cc6812314497a1c5ecc0513457ed - scripts/gen-btf.sh: Reduce log verbosity</title>
        <link>http://opengrok.kc2vjw.com:8080/history/linux/scripts/link-vmlinux.sh#453dece55bb1cc6812314497a1c5ecc0513457ed</link>
        <description>scripts/gen-btf.sh: Reduce log verbosityRemove info messages from gen-btf.sh, as they are unnecessarilydetailed and sometimes inaccurate [1].  Verbose log can be produced bypassing V=1 to make, which will set -x for the shell.[1] https://lore.kernel.org/bpf/CAADnVQ+biTSDaNtoL=ct9XtBJiXYMUqGYLqu604C3D8N+8YH9A@mail.gmail.com/Suggested-by: Alexei Starovoitov &lt;ast@kernel.org&gt;Signed-off-by: Ihor Solodrai &lt;ihor.solodrai@linux.dev&gt;Link: https://lore.kernel.org/r/20251231183929.65668-1-ihor.solodrai@linux.devSigned-off-by: Alexei Starovoitov &lt;ast@kernel.org&gt;

            List of files:
            /linux/scripts/link-vmlinux.sh</description>
        <pubDate>Wed, 31 Dec 2025 18:39:29 +0000</pubDate>
        <dc:creator>Ihor Solodrai &lt;ihor.solodrai@linux.dev&gt;</dc:creator>
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        <title>1a8fa7faf4890d201aad4f5d4943f74d840cd0ba - resolve_btfids: Implement --patch_btfids</title>
        <link>http://opengrok.kc2vjw.com:8080/history/linux/scripts/link-vmlinux.sh#1a8fa7faf4890d201aad4f5d4943f74d840cd0ba</link>
        <description>resolve_btfids: Implement --patch_btfidsRecent changes in BTF generation [1] rely on ${OBJCOPY} command toupdate .BTF_ids section data in target ELF files.This exposed a bug in llvm-objcopy --update-section code path, thatmay lead to corruption of a target ELF file. Specifically, because ofthe bug st_shndx of some symbols may be (incorrectly) set to 0xffff(SHN_XINDEX) [2][3].While there is a pending fix for LLVM, it&apos;ll take some time before itlands (likely in 22.x). And the kernel build must keep working witholder LLVM toolchains in the foreseeable future.Using GNU objcopy for .BTF_ids update would work, but it would requirechanges to LLVM-based build process, likely breaking existing buildenvironments as discussed in [2].To work around llvm-objcopy bug, implement --patch_btfids code path inresolve_btfids as a drop-in replacement for:    ${OBJCOPY} --update-section .BTF_ids=${btf_ids} ${elf}Which works specifically for .BTF_ids section:    ${RESOLVE_BTFIDS} --patch_btfids ${btf_ids} ${elf}This feature in resolve_btfids can be removed at some point in thefuture, when llvm-objcopy with a relevant bugfix becomes common.[1] https://lore.kernel.org/bpf/20251219181321.1283664-1-ihor.solodrai@linux.dev/[2] https://lore.kernel.org/bpf/20251224005752.201911-1-ihor.solodrai@linux.dev/[3] https://github.com/llvm/llvm-project/issues/168060#issuecomment-3533552952Signed-off-by: Ihor Solodrai &lt;ihor.solodrai@linux.dev&gt;Link: https://lore.kernel.org/r/20251231012558.1699758-1-ihor.solodrai@linux.devSigned-off-by: Alexei Starovoitov &lt;ast@kernel.org&gt;

            List of files:
            /linux/scripts/link-vmlinux.sh</description>
        <pubDate>Wed, 31 Dec 2025 01:25:57 +0000</pubDate>
        <dc:creator>Ihor Solodrai &lt;ihor.solodrai@linux.dev&gt;</dc:creator>
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        <title>24f171c7e145f43b9f187578e89b0982ce87e54c - Merge tag &apos;asoc-fix-v6.19-rc1&apos; of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus</title>
        <link>http://opengrok.kc2vjw.com:8080/history/linux/scripts/link-vmlinux.sh#24f171c7e145f43b9f187578e89b0982ce87e54c</link>
        <description>Merge tag &apos;asoc-fix-v6.19-rc1&apos; of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linusASoC: Fixes for v6.19We&apos;ve been quite busy with fixes since the merge window, though not inany particularly exciting ways - the standout thing is the fix for _SXcontrols which were broken by a change to how we do clamping, otherwiseit&apos;s all fairly run of the mill fixes and quirks.

            List of files:
            /linux/scripts/link-vmlinux.sh</description>
        <pubDate>Sun, 21 Dec 2025 10:11:11 +0000</pubDate>
        <dc:creator>Takashi Iwai &lt;tiwai@suse.de&gt;</dc:creator>
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        <title>3d60306b7bb4a3a3c5f01750a2303f987b7d93fa - Merge branch &apos;resolve_btfids-support-for-btf-modifications&apos;</title>
        <link>http://opengrok.kc2vjw.com:8080/history/linux/scripts/link-vmlinux.sh#3d60306b7bb4a3a3c5f01750a2303f987b7d93fa</link>
        <description>Merge branch &apos;resolve_btfids-support-for-btf-modifications&apos;Ihor Solodrai says:====================resolve_btfids: Support for BTF modificationsThis series changes resolve_btfids and kernel build scripts to enableBTF transformations in resolve_btfids. Main motivation for enhancingresolve_btfids is to reduce dependency of the kernel build on paholecapabilities [1] and enable BTF features and optimizations [2][3]particular to the kernel.Patches #1-#4 in the series are non-functional changes inresolve_btfids.Patch #5 makes kernel build notice pahole version changes betweenbuilds.Patch #6 changes minimum version of pahole required forCONFIG_DEBUG_INFO_BTF to v1.22Patch #7 makes a small prep change in selftests/bpf build.The last patch (#8) makes significant changes in resolve_btfids andintroduces scripts/gen-btf.sh. See implementation details in the patchdescription.Successful BPF CI run: https://github.com/kernel-patches/bpf/actions/runs/20378061470[1] https://lore.kernel.org/dwarves/ba1650aa-fafd-49a8-bea4-bdddee7c38c9@linux.dev/[2] https://lore.kernel.org/bpf/20251029190113.3323406-1-ihor.solodrai@linux.dev/[3] https://lore.kernel.org/bpf/20251119031531.1817099-1-dolinux.peng@gmail.com/---v6-&gt;v7:  - documentation edits in patches #5 and #6 (Nicolas)v6: https://lore.kernel.org/bpf/20251219020006.785065-1-ihor.solodrai@linux.dev/v5-&gt;v6:  - patch #8: fix double free when btf__distill_base fails (reported by AI)    https://lore.kernel.org/bpf/e269870b8db409800045ee0061fc02d21721e0efadd99ca83960b48f8db7b3f3@mail.kernel.org/v5: https://lore.kernel.org/bpf/20251219003147.587098-1-ihor.solodrai@linux.dev/v4-&gt;v5:  - patch #3: fix an off-by-one bug (reported by AI)    https://lore.kernel.org/bpf/106b6e71bce75b8f12a85f2f99e75129e67af7287f6d81fa912589ece14044f9@mail.kernel.org/  - patch #8: cleanup GEN_BTF in Makefile.btfv4: https://lore.kernel.org/bpf/20251218003314.260269-1-ihor.solodrai@linux.dev/v3-&gt;v4:  - add patch #4: &quot;resolve_btfids: Always build with -Wall -Werror&quot;  - add patch #5: &quot;kbuild: Sync kconfig when PAHOLE_VERSION changes&quot; (Alan)  - fix clang cross-compilation (LKP)    https://lore.kernel.org/bpf/cecb6351-ea9a-4f8a-863a-82c9ef02f012@linux.dev/  - remove GEN_BTF env variable (Andrii)  - nits and cleanup in resolve_btfids/main.c (Andrii, Eduard)  - nits in a patch bumping minimum pahole version (Andrii, AI)v3: https://lore.kernel.org/bpf/20251205223046.4155870-1-ihor.solodrai@linux.dev/v2-&gt;v3:  - add patch #4 bumping minimum pahole version (Andrii, Alan)  - add patch #5 pre-fixing resolve_btfids test (Donglin)  - add GEN_BTF var and assemble RESOLVE_BTFIDS_FLAGS in Makefile.btf (Alan)  - implement --distill_base flag in resolve_btfids, set it depending    on KBUILD_EXTMOD in Makefile.btf (Eduard)  - various implementation nits, see the v2 thread for details (Andrii, Eduard)v2: https://lore.kernel.org/bpf/20251127185242.3954132-1-ihor.solodrai@linux.dev/v1-&gt;v2:  - gen-btf.sh and other shell script fixes (Donglin)  - update selftests build (Donglin)  - generate .BTF.base only when KBUILD_EXTMOD is set (Alan)  - proper endianness handling for cross-compilation  - change elf_begin mode from ELF_C_RDWR_MMAP to ELF_C_READ_MMAP_PRIVATE  - remove compressed_section_fix()  - nit NULL check in patch #3 (suggested by AI)v1: https://lore.kernel.org/bpf/20251126012656.3546071-1-ihor.solodrai@linux.dev/====================Link: https://patch.msgid.link/20251219181321.1283664-1-ihor.solodrai@linux.devSigned-off-by: Andrii Nakryiko &lt;andrii@kernel.org&gt;

            List of files:
            /linux/scripts/link-vmlinux.sh</description>
        <pubDate>Fri, 19 Dec 2025 18:55:40 +0000</pubDate>
        <dc:creator>Andrii Nakryiko &lt;andrii@kernel.org&gt;</dc:creator>
    </item>
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        <title>522397d05e7d4a7c30b91841492360336b24f833 - resolve_btfids: Change in-place update with raw binary output</title>
        <link>http://opengrok.kc2vjw.com:8080/history/linux/scripts/link-vmlinux.sh#522397d05e7d4a7c30b91841492360336b24f833</link>
        <description>resolve_btfids: Change in-place update with raw binary outputCurrently resolve_btfids updates .BTF_ids section of an ELF filein-place, based on the contents of provided BTF, usually within thesame input file, and optionally a BTF base.Change resolve_btfids behavior to enable BTF transformations as partof its main operation. To achieve this, in-place ELF write inresolve_btfids is replaced with generation of the following binaries:  * ${1}.BTF with .BTF section data  * ${1}.BTF_ids with .BTF_ids section data if it existed in ${1}  * ${1}.BTF.base with .BTF.base section data for out-of-tree modulesThe execution of resolve_btfids and consumption of its output isorchestrated by scripts/gen-btf.sh introduced in this patch.The motivation for emitting binary data is that it allows simplifyingresolve_btfids implementation by delegating ELF update to the $OBJCOPYtool [1], which is already widely used across the codebase.There are two distinct paths for BTF generation and resolve_btfidsapplication in the kernel build: for vmlinux and for kernel modules.For the vmlinux binary a .BTF section is added in a roundabout way toensure correct linking. The patch doesn&apos;t change this approach, onlythe implementation is a little different.Before this patch it worked as follows:  * pahole consumed .tmp_vmlinux1 [2] and added .BTF section with    llvm-objcopy [3] to it  * then everything except the .BTF section was stripped from .tmp_vmlinux1    into a .tmp_vmlinux1.bpf.o object [2], later linked into vmlinux  * resolve_btfids was executed later on vmlinux.unstripped [4],    updating it in-placeAfter this patch gen-btf.sh implements the following:  * pahole consumes .tmp_vmlinux1 and produces a *detached* file with    raw BTF data  * resolve_btfids consumes .tmp_vmlinux1 and detached BTF to produce    (potentially modified) .BTF, and .BTF_ids sections data  * a .tmp_vmlinux1.bpf.o object is then produced with objcopy copying    BTF output of resolve_btfids  * .BTF_ids data gets embedded into vmlinux.unstripped in    link-vmlinux.sh by objcopy --update-sectionFor kernel modules, creating a special .bpf.o file is not necessary,and so embedding of sections data produced by resolve_btfids isstraightforward with objcopy.With this patch an ELF file becomes effectively read-only withinresolve_btfids, which allows deleting elf_update() call and satellitecode (like compressed_section_fix [5]).Endianness handling of .BTF_ids data is also changed. Previously the&quot;flags&quot; part of the section was bswapped in sets_patch() [6], and thenElf_Type was modified before elf_update() to signal to libelf thatbswap may be necessary. With this patch we explicitly bswap entiredata buffer on load and on dump.[1] https://lore.kernel.org/bpf/131b4190-9c49-4f79-a99d-c00fac97fa44@linux.dev/[2] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/scripts/link-vmlinux.sh?h=v6.18#n110[3] https://git.kernel.org/pub/scm/devel/pahole/pahole.git/tree/btf_encoder.c?h=v1.31#n1803[4] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/scripts/link-vmlinux.sh?h=v6.18#n284[5] https://lore.kernel.org/bpf/20200819092342.259004-1-jolsa@kernel.org/[6] https://lore.kernel.org/bpf/cover.1707223196.git.vmalik@redhat.com/Signed-off-by: Ihor Solodrai &lt;ihor.solodrai@linux.dev&gt;Signed-off-by: Andrii Nakryiko &lt;andrii@kernel.org&gt;Tested-by: Alan Maguire &lt;alan.maguire@oracle.com&gt;Acked-by: Eduard Zingerman &lt;eddyz87@gmail.com&gt;Link: https://lore.kernel.org/bpf/20251219181825.1289460-3-ihor.solodrai@linux.dev

            List of files:
            /linux/scripts/link-vmlinux.sh</description>
        <pubDate>Fri, 19 Dec 2025 18:18:25 +0000</pubDate>
        <dc:creator>Ihor Solodrai &lt;ihor.solodrai@linux.dev&gt;</dc:creator>
    </item>
<item>
        <title>5add3c3c280a35f7e258e9cef7607db5a2e56fdc - Merge drm/drm-next into drm-xe-next</title>
        <link>http://opengrok.kc2vjw.com:8080/history/linux/scripts/link-vmlinux.sh#5add3c3c280a35f7e258e9cef7607db5a2e56fdc</link>
        <description>Merge drm/drm-next into drm-xe-nextBackmerging to bring in 6.19-rc1. An important upstream bugfix andto help unblock PTL CI.Signed-off-by: Thomas Hellstr&#246;m &lt;thomas.hellstrom@linux.intel.com&gt;

            List of files:
            /linux/scripts/link-vmlinux.sh</description>
        <pubDate>Fri, 19 Dec 2025 10:51:22 +0000</pubDate>
        <dc:creator>Thomas Hellstr&#246;m &lt;thomas.hellstrom@linux.intel.com&gt;</dc:creator>
    </item>
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        <title>ec439c38013550420aecc15988ae6acb670838c1 - Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf after 6.19-rc1</title>
        <link>http://opengrok.kc2vjw.com:8080/history/linux/scripts/link-vmlinux.sh#ec439c38013550420aecc15988ae6acb670838c1</link>
        <description>Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf after 6.19-rc1Cross-merge BPF and other fixes after downstream PR.Signed-off-by: Alexei Starovoitov &lt;ast@kernel.org&gt;

            List of files:
            /linux/scripts/link-vmlinux.sh</description>
        <pubDate>Wed, 17 Dec 2025 05:29:38 +0000</pubDate>
        <dc:creator>Alexei Starovoitov &lt;ast@kernel.org&gt;</dc:creator>
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