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[PW_SID:1079303] riscv: ftrace: select HAVE_BUILDTIME_MCOUNT_SORT#1745

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[PW_SID:1079303] riscv: ftrace: select HAVE_BUILDTIME_MCOUNT_SORT#1745
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@linux-riscv-bot linux-riscv-bot commented Apr 9, 2026

PR for series 1079303 applied to workflow__riscv__fixes

Name: riscv: ftrace: select HAVE_BUILDTIME_MCOUNT_SORT
URL: https://patchwork.kernel.org/project/linux-riscv/list/?series=1079303
Version: 1

@cp0613
riscv: ftrace: select HAVE_BUILDTIME_MCOUNT_SORT
decac62 
RISC-V already satisfies all prerequisites for build-time mcount sorting:
the sorttable host tool handles EM_RISCV in its machine-type dispatch, and
the __mcount_loc section entries are stored as direct virtual addresses in
the final vmlinux binary, so no relocation processing is required during
the sort step.

Select HAVE_BUILDTIME_MCOUNT_SORT so that BUILDTIME_MCOUNT_SORT is
automatically enabled when DYNAMIC_FTRACE is configured.  This allows
sorttable to sort the __mcount_loc section at link time, making the
run-time ftrace initialisation path skip the software sort and reducing
kernel startup overhead.

Verified with CONFIG_FTRACE_SORT_STARTUP_TEST=y, which confirms that
the section produced by the build is already in ascending order:

  [    0.000000] ftrace section at ffffffff81015a60 sorted properly

Signed-off-by: Chen Pei <cp0613@linux.alibaba.com>
Signed-off-by: Linux RISC-V bot <linux.riscv.bot@gmail.com>
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linux-riscv-bot commented Apr 9, 2026

Patch 1: "riscv: ftrace: select HAVE_BUILDTIME_MCOUNT_SORT"
build-rv32-defconfig
Desc: Builds riscv32 defconfig
Duration: 136.19 seconds
Result: PASS

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linux-riscv-bot commented Apr 9, 2026

Patch 1: "riscv: ftrace: select HAVE_BUILDTIME_MCOUNT_SORT"
build-rv64-clang-allmodconfig
Desc: Builds riscv64 allmodconfig with Clang, and checks for errors and added warnings
Duration: 1127.41 seconds
Result: PASS

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linux-riscv-bot commented Apr 9, 2026

Patch 1: "riscv: ftrace: select HAVE_BUILDTIME_MCOUNT_SORT"
build-rv64-gcc-allmodconfig
Desc: Builds riscv64 allmodconfig with GCC, and checks for errors and added warnings
Duration: 1645.81 seconds
Result: PASS

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linux-riscv-bot commented Apr 9, 2026

Patch 1: "riscv: ftrace: select HAVE_BUILDTIME_MCOUNT_SORT"
build-rv64-nommu-k210-defconfig
Desc: Builds riscv64 defconfig with NOMMU for K210
Duration: 24.68 seconds
Result: PASS

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linux-riscv-bot commented Apr 9, 2026

Patch 1: "riscv: ftrace: select HAVE_BUILDTIME_MCOUNT_SORT"
build-rv64-nommu-k210-virt
Desc: Builds riscv64 defconfig with NOMMU for the virt platform
Duration: 26.10 seconds
Result: PASS

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linux-riscv-bot commented Apr 9, 2026

Patch 1: "riscv: ftrace: select HAVE_BUILDTIME_MCOUNT_SORT"
checkpatch
Desc: Runs checkpatch.pl on the patch
Duration: 0.69 seconds
Result: PASS

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linux-riscv-bot commented Apr 9, 2026

Patch 1: "riscv: ftrace: select HAVE_BUILDTIME_MCOUNT_SORT"
dtb-warn-rv64
Desc: Checks for Device Tree warnings/errors
Duration: 84.05 seconds
Result: PASS

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linux-riscv-bot commented Apr 9, 2026

Patch 1: "riscv: ftrace: select HAVE_BUILDTIME_MCOUNT_SORT"
header-inline
Desc: Detects static functions without inline keyword in header files
Duration: 0.22 seconds
Result: PASS

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linux-riscv-bot commented Apr 9, 2026

Patch 1: "riscv: ftrace: select HAVE_BUILDTIME_MCOUNT_SORT"
kdoc
Desc: Detects for kdoc errors
Duration: 0.89 seconds
Result: PASS

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linux-riscv-bot commented Apr 9, 2026

Patch 1: "riscv: ftrace: select HAVE_BUILDTIME_MCOUNT_SORT"
module-param
Desc: Detect module_param changes
Duration: 0.24 seconds
Result: PASS

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linux-riscv-bot commented Apr 9, 2026

Patch 1: "riscv: ftrace: select HAVE_BUILDTIME_MCOUNT_SORT"
verify-fixes
Desc: Verifies that the Fixes: tags exist
Duration: 0.22 seconds
Result: PASS

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linux-riscv-bot commented Apr 9, 2026

Patch 1: "riscv: ftrace: select HAVE_BUILDTIME_MCOUNT_SORT"
verify-signedoff
Desc: Verifies that Signed-off-by: tags are correct
Duration: 0.30 seconds
Result: PASS

@linux-riscv-bot linux-riscv-bot deleted the pw1079303 branch April 17, 2026 01:52
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