[PATCH v6 15/16] perf tools: s390: Use generic syscall table scripts
From: Charlie Jenkins <hidden>
Date: 2025-01-09 02:37:14
Also in:
bpf, linux-doc, linux-perf-users, linux-riscv, linux-security-module, lkml
Subsystem:
performance events subsystem, the rest · Maintainers:
Peter Zijlstra, Ingo Molnar, Arnaldo Carvalho de Melo, Namhyung Kim, Linus Torvalds
Use the generic scripts to generate headers from the syscall table instead of the custom ones for s390. Signed-off-by: Charlie Jenkins <redacted> --- tools/perf/Makefile.config | 6 +--- tools/perf/Makefile.perf | 2 +- tools/perf/arch/s390/Makefile | 21 -------------- tools/perf/arch/s390/entry/syscalls/Kbuild | 2 ++ .../arch/s390/entry/syscalls/Makefile.syscalls | 5 ++++ tools/perf/arch/s390/entry/syscalls/mksyscalltbl | 32 ---------------------- tools/perf/arch/s390/include/syscall_table.h | 2 ++ tools/perf/util/syscalltbl.c | 6 +--- 8 files changed, 12 insertions(+), 64 deletions(-)
diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config
index 7213f6d806e5497309524cacb16bd8313e9bc5cb..feb61be7c4f93d7ebe0530839aebcd03ab8ec425 100644
--- a/tools/perf/Makefile.config
+++ b/tools/perf/Makefile.config@@ -31,10 +31,6 @@ $(call detected_var,SRCARCH) ifneq ($(NO_SYSCALL_TABLE),1) NO_SYSCALL_TABLE := 1 - ifeq ($(SRCARCH),s390) - NO_SYSCALL_TABLE := 0 - endif - # architectures that use the generic syscall table scripts ifneq ($(filter $(SRCARCH), $(generic_syscall_table_archs)),) NO_SYSCALL_TABLE := 0
@@ -90,7 +86,7 @@ ifeq ($(SRCARCH),loongarch) endif ifeq ($(ARCH),s390) - CFLAGS += -fPIC -I$(OUTPUT)arch/s390/include/generated + CFLAGS += -fPIC endif ifeq ($(ARCH),mips)
diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf
index 0e30da3b781b5a51ea179ab15993391ff7055635..8081adf0e02354b9662a4e3c8493d6b1cec9fe25 100644
--- a/tools/perf/Makefile.perf
+++ b/tools/perf/Makefile.perf@@ -311,7 +311,7 @@ FEATURE_TESTS := all endif endif # architectures that use the generic syscall table -generic_syscall_table_archs := riscv arc csky arm sh sparc xtensa x86 alpha parisc arm64 loongarch mips powerpc +generic_syscall_table_archs := riscv arc csky arm sh sparc xtensa x86 alpha parisc arm64 loongarch mips powerpc s390 ifneq ($(filter $(SRCARCH), $(generic_syscall_table_archs)),) include $(srctree)/tools/perf/scripts/Makefile.syscalls endif
diff --git a/tools/perf/arch/s390/Makefile b/tools/perf/arch/s390/Makefile
index c431c21b11ef824535c1b9fb6ca4246d666fc97b..0033698a65ce5d5d7ebcc280399957561dd9d2c6 100644
--- a/tools/perf/arch/s390/Makefile
+++ b/tools/perf/arch/s390/Makefile@@ -1,24 +1,3 @@ # SPDX-License-Identifier: GPL-2.0-only HAVE_KVM_STAT_SUPPORT := 1 PERF_HAVE_JITDUMP := 1 - -# -# Syscall table generation for perf -# - -out := $(OUTPUT)arch/s390/include/generated/asm -header := $(out)/syscalls_64.c -sysprf := $(srctree)/tools/perf/arch/s390/entry/syscalls -sysdef := $(sysprf)/syscall.tbl -systbl := $(sysprf)/mksyscalltbl - -# Create output directory if not already present -$(shell [ -d '$(out)' ] || mkdir -p '$(out)') - -$(header): $(sysdef) $(systbl) - $(Q)$(SHELL) '$(systbl)' $(sysdef) > $@ - -clean:: - $(call QUIET_CLEAN, s390) $(RM) $(header) - -archheaders: $(header)
diff --git a/tools/perf/arch/s390/entry/syscalls/Kbuild b/tools/perf/arch/s390/entry/syscalls/Kbuild
new file mode 100644
index 0000000000000000000000000000000000000000..9a41e3572c3afd4f202321fd9e492714540e8fd3
--- /dev/null
+++ b/tools/perf/arch/s390/entry/syscalls/Kbuild@@ -0,0 +1,2 @@ +# SPDX-License-Identifier: GPL-2.0 +syscall-y += syscalls_64.h
diff --git a/tools/perf/arch/s390/entry/syscalls/Makefile.syscalls b/tools/perf/arch/s390/entry/syscalls/Makefile.syscalls
new file mode 100644
index 0000000000000000000000000000000000000000..9762d7abf17c3f79a6213e7306a5f7b56e833a78
--- /dev/null
+++ b/tools/perf/arch/s390/entry/syscalls/Makefile.syscalls@@ -0,0 +1,5 @@ +# SPDX-License-Identifier: GPL-2.0 + +syscall_abis_64 += renameat rlimit memfd_secret + +syscalltbl = $(srctree)/tools/perf/arch/s390/entry/syscalls/syscall.tbl
diff --git a/tools/perf/arch/s390/entry/syscalls/mksyscalltbl b/tools/perf/arch/s390/entry/syscalls/mksyscalltbl
deleted file mode 100755
index 52eb88a77c94727aeb8c15427cdd43dfe5f9f2bd..0000000000000000000000000000000000000000
--- a/tools/perf/arch/s390/entry/syscalls/mksyscalltbl
+++ /dev/null@@ -1,32 +0,0 @@ -#!/bin/sh -# SPDX-License-Identifier: GPL-2.0 -# -# Generate system call table for perf -# -# Copyright IBM Corp. 2017, 2018 -# Author(s): Hendrik Brueckner <brueckner@linux.vnet.ibm.com> -# - -SYSCALL_TBL=$1 - -if ! test -r $SYSCALL_TBL; then - echo "Could not read input file" >&2 - exit 1 -fi - -create_table() -{ - local max_nr nr abi sc discard - - echo 'static const char *const syscalltbl_s390_64[] = {' - while read nr abi sc discard; do - printf '\t[%d] = "%s",\n' $nr $sc - max_nr=$nr - done - echo '};' - echo "#define SYSCALLTBL_S390_64_MAX_ID $max_nr" -} - -grep -E "^[[:digit:]]+[[:space:]]+(common|64)" $SYSCALL_TBL \ - |sort -k1 -n \ - |create_table
diff --git a/tools/perf/arch/s390/include/syscall_table.h b/tools/perf/arch/s390/include/syscall_table.h
new file mode 100644
index 0000000000000000000000000000000000000000..b53e31c15805319a01719c22d489c4037378b02b
--- /dev/null
+++ b/tools/perf/arch/s390/include/syscall_table.h@@ -0,0 +1,2 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#include <asm/syscalls_64.h>
diff --git a/tools/perf/util/syscalltbl.c b/tools/perf/util/syscalltbl.c
index 8869fed1a58946c590484816354d8c74aff52ee3..210f61b0a7a264a427ebb602185d3a9da2f426f4 100644
--- a/tools/perf/util/syscalltbl.c
+++ b/tools/perf/util/syscalltbl.c@@ -14,11 +14,7 @@ #include <string.h> #include "string2.h" -#if defined(__s390x__) -#include <asm/syscalls_64.c> -const int syscalltbl_native_max_id = SYSCALLTBL_S390_64_MAX_ID; -static const char *const *syscalltbl_native = syscalltbl_s390_64; -#elif defined(GENERIC_SYSCALL_TABLE) +#if defined(GENERIC_SYSCALL_TABLE) #include <syscall_table.h> const int syscalltbl_native_max_id = SYSCALLTBL_MAX_ID; static const char *const *syscalltbl_native = syscalltbl;
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2.34.1