Messages in this thread | | | From | Jinyang He <> | Subject | [PATCH 0/6] Drop the per-node-mode exception handlers | Date | Fri, 24 Feb 2023 18:10:07 +0800 |
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This series drops the per-node-mode exception handlers.
The UnixBench test results are as follows, Loongson-3C5000L-LL, CLFS7.1,
a, DYNAMIC_FTRACE enabled, KASLR disabled, no-pernode b, DYNAMIC_FTRACE enabled, KASLR disabled, pernode c, DYNAMIC_FTRACE enabled, KASLR enabled, no-pernode 1 cpu 16 cpus a-1, 782.6 4025.1 a-2, 783.3 3994.5 a-3, 784.2 4045.5 b-1, 775.5 3913.0 b-2, 763.9 3833.8 b-3, 777.7 3930.4 c-1, 811.0 3950.4 c-2, 795.7 3952.9
The results were almost identical, as Huacai said, the performance difference between pernode and nopernode is negligible
Jinyang He (6): LoongArch: Rename handle_syscall to handle_sys LoongArch: Move the content defined by SYM_DATA to data or rodata section LoongArch: Create a exception handlers section LoongArch: Drop pernode exception handlers LoongArch: Fix up the prologue unwinder unwind exception frame LoongArch: Clean up la_abs macro
arch/loongarch/include/asm/asmmacro.h | 17 ----- arch/loongarch/include/asm/setup.h | 14 ---- arch/loongarch/include/asm/stackframe.h | 2 +- arch/loongarch/include/asm/traps.h | 81 ++++++++++++++++++++++ arch/loongarch/include/asm/unwind.h | 2 +- arch/loongarch/kernel/entry.S | 16 +++-- arch/loongarch/kernel/genex.S | 73 +++++++++++++------- arch/loongarch/kernel/head.S | 2 + arch/loongarch/kernel/mcount_dyn.S | 2 + arch/loongarch/kernel/relocate.c | 28 -------- arch/loongarch/kernel/traps.c | 74 +------------------- arch/loongarch/kernel/unwind_prologue.c | 91 +++---------------------- arch/loongarch/kernel/vmlinux.lds.S | 37 +++++++--- arch/loongarch/mm/cache.c | 6 -- arch/loongarch/mm/tlb.c | 40 ----------- arch/loongarch/mm/tlbex.S | 67 +++++++++++------- arch/loongarch/power/suspend.c | 5 +- 17 files changed, 231 insertions(+), 326 deletions(-) create mode 100644 arch/loongarch/include/asm/traps.h
-- 2.34.3
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