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5453a7e1bb
kernel/linux-kernel-test.patch
Jason Montleon 5453a7e1bb Test rust fix 
Signed-off-by: Jason Montleon <jmontleo@redhat.com>
2024-09-16 01:39:56 -04:00

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From 04dfb31b2071b74126c972edb40b2e6c32456dfd Mon Sep 17 00:00:00 2001
From: Jason Montleon <jmontleo@redhat.com>
Date: Mon, 16 Sep 2024 01:32:22 -0400
Subject: [PATCH] Fix rust builds on riscv64
Signed-off-by: Jason Montleon <jmontleo@redhat.com>
---
rust/Makefile | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/rust/Makefile b/rust/Makefile
index f168d2c98a15..dfff0304bde2 100644
--- a/rust/Makefile
+++ b/rust/Makefile
@@ -228,11 +228,12 @@ bindgen_skip_c_flags := -mno-fp-ret-in-387 -mpreferred-stack-boundary=% \
-fzero-call-used-regs=% -fno-stack-clash-protection \
-fno-inline-functions-called-once -fsanitize=bounds-strict \
-fstrict-flex-arrays=% -fmin-function-alignment=% \
- --param=% --param asan-%
+ --param=% --param asan-% -mno-riscv-attribute
# Derived from `scripts/Makefile.clang`.
BINDGEN_TARGET_x86 := x86_64-linux-gnu
BINDGEN_TARGET_arm64 := aarch64-linux-gnu
+BINDGEN_TARGET_riscv := riscv64-linux-gnu
BINDGEN_TARGET := $(BINDGEN_TARGET_$(SRCARCH))
# All warnings are inhibited since GCC builds are very experimental,
--
2.46.0
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From: Charlie Jenkins <charlie@rivosinc.com>
Date: Fri, 30 Aug 2024 21:30:50 -0700
Subject: [PATCH] perf syscalltbl: Add syscalltbl__id_at_idx() with no
syscall table support
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Arnaldo Carvalho de Melo <acme@kernel.org>,
Namhyung Kim <namhyung@kernel.org>, Mark Rutland <mark.rutland@arm.com>,
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David Abdurachmanov <davidlt@rivosinc.com>
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When HAVE_SYSCALL_TABLE_SUPPORT is not defined, neither is
syscalltbl__id_at_idx(). However, this function is expected to be
defined when HAVE_BPF_SKEL is defined.
Return -1 from syscalltbl__id_at_idx() to match the other functions when
HAVE_SYSCALL_TABLE_SUPPORT is not defined.
Without this, compiling perf on riscv when libtraceevents, libelf, and
clang are available will cause the functions trying to call
syscalltbl__id_at_idx() to be compiled. This results in the following
error:
/usr/bin/ld: perf-in.o: in function `.L0 ':
builtin-trace.c:(.text+0x60b14): undefined reference to `syscalltbl__id_at_idx'
/usr/bin/ld: builtin-trace.c:(.text+0x60c6c): undefined reference to `syscalltbl__id_at_idx'
/usr/bin/ld: perf-in.o: in function `.L2564':
builtin-trace.c:(.text+0x60cb6): undefined reference to `syscalltbl__id_at_idx'
collect2: error: ld returned 1 exit status
make[2]: *** [Makefile.perf:793: perf] Error 1
make[1]: *** [Makefile.perf:290: sub-make] Error 2
make: *** [Makefile:70: all] Error 2
make: Leaving directory '/src/linux-6.11-rc5/tools/perf'
This patch resolves this issue for all architectures which do not define
HAVE_SYSCALL_TABLE_SUPPORT.
$ ./perf trace -e syscalls:sys_enter_mmap --max-events=1 ls
0.000 ls/287 syscalls:sys_enter_mmap(__syscall_nr: 222, len: 9939, prot: READ, flags: PRIVATE, fd: 3)
Signed-off-by: Charlie Jenkins <charlie@rivosinc.com>
Reported-by: David Abdurachmanov <davidlt@rivosinc.com>
Suggested-by: David Abdurachmanov <davidlt@rivosinc.com>
Fixes: 7a2fb5619cc1 ("perf trace: Fix iteration of syscall ids in syscalltbl->entries")
---
tools/perf/util/syscalltbl.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/tools/perf/util/syscalltbl.c b/tools/perf/util/syscalltbl.c
index 0dd26b991b3f..12654460428f 100644
--- a/tools/perf/util/syscalltbl.c
+++ b/tools/perf/util/syscalltbl.c
@@ -188,4 +188,9 @@ int syscalltbl__strglobmatch_first(struct syscalltbl *tbl, const char *syscall_g
{
return syscalltbl__strglobmatch_next(tbl, syscall_glob, idx);
}
+
+int syscalltbl__id_at_idx(struct syscalltbl *tbl __always_unused, int idx __always_unused)
+{
+ return -1;
+}
#endif /* HAVE_SYSCALL_TABLE_SUPPORT */
---
base-commit: 985bf40edf4343dcb04c33f58b40b4a85c1776d4
change-id: 20240830-perf_syscalltbl_fix-4f586221795e
--
- Charlie
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