Add RISC-V support by David Abdurachmanov <davidlt@rivosinc.com>

0001-Add-support-for-riscv64.patch

@@ -0,0 +1,63 @@
+From 762363d2cb5de264973f08453279400cd570935c Mon Sep 17 00:00:00 2001
+From: David Abdurachmanov <davidlt@rivosinc.com>
+Date: Thu, 21 Aug 2025 15:47:31 +0000
+Subject: [PATCH] Add support for riscv64
+
+Signed-off-by: Andrew Lukoshko <alukoshko@almalinux.org>
+---
+ Makefile     | 11 ++++++++++-
+ src/stalld.h |  2 +-
+ 2 files changed, 11 insertions(+), 2 deletions(-)
+
+diff --git a/Makefile b/Makefile
+index 2027791..e70d8e0 100644
+--- a/Makefile
++++ b/Makefile
+@@ -33,6 +33,11 @@ ifeq ($(ARCH),powerpc)
+ USE_BPF := 0
+ MTUNE := -mtune=powerpc
+ endif
++ifeq ($(ARCH),riscv64)
++FCF_PROTECTION := "-fcf-protection=none"
++M64	:=
++MTUNE := -mtune=generic-ooo
++endif
+ 
+ $(info USE_BPF=$(USE_BPF))
+ $(info FCF_PROTECTION=$(FCF_PROTECTION))
+@@ -134,6 +139,10 @@ endif
+ ifeq ($(ARCH),s390x)
+ CLANGARCH=-D__s390x__
+ endif
++ifeq ($(ARCH),riscv64)
++CLANGARCH="-D__riscv"
++CLANGFLAGS="-D__riscv_xlen=64"
++endif
+ 
+ .PHONY:	all tests
+ 
+@@ -154,7 +163,7 @@ bpf/vmlinux.h:
+ # The .bpf.c needs to be transformed into the .bpf.o.
+ # The .bpf.o is then required to build the .skel.h.
+ bpf/stalld.bpf.o: bpf/vmlinux.h bpf/stalld.bpf.c
+-	@$(CLANG) -g -O2 -target bpf $(CLANGARCH) -DDEBUG_STALLD=$(DEBUG) -D__TARGET_ARCH_$(ARCH) \
++	@$(CLANG) -g -O2 -target bpf $(CLANGARCH) $(CLANGFLAGS) -DDEBUG_STALLD=$(DEBUG) -D__TARGET_ARCH_$(ARCH) \
+ 		$(INCLUDES) $(CLANG_BPF_SYS_INCLUDES) -c $(filter %.c,$^) -o $@
+ 	@$(LLVM_STRIP) -g $@ # strip useless DWARF info
+ 
+diff --git a/src/stalld.h b/src/stalld.h
+index 68a89a0..1350bb8 100644
+--- a/src/stalld.h
++++ b/src/stalld.h
+@@ -122,7 +122,7 @@ struct stalld_backend {
+ #elif __arm__
+ # define __NR_sched_setattr 380
+ # define __NR_sched_getattr 381
+-#elif __aarch64__ || __loongarch64
++#elif __aarch64__ || __loongarch64 || __riscv
+ # define __NR_sched_setattr 274
+ # define __NR_sched_getattr 275
+ #elif __powerpc__
+-- 
+2.43.7
+

stalld.spec

@@ -1,12 +1,15 @@
 Name:		stalld
 Version:	1.20.4
-Release:	1%{?dist}
+Release:	1%{?dist}.alma.1
 Summary:	Daemon that finds starving tasks and gives them a temporary boost
 
 License:	GPL-2.0-or-later AND GPL-2.0-only
 URL:           https://git.kernel.org/pub/scm/utils/%{name}/%{name}.git
 Source0:       https://git.kernel.org/pub/scm/utils/%{name}/%{name}.git/snapshot/%{name}-%{version}.tar.gz
 
+# AlmaLinux Patch
+Patch1001: 0001-Add-support-for-riscv64.patch
+
 BuildRequires:	glibc-devel
 BuildRequires:	gcc
 BuildRequires:	make
@@ -64,6 +67,9 @@ allow 10 microseconds of runtime for 1 second of clock time.
 %systemd_postun_with_restart %{name}.service
 
 %changelog
+* Thu Aug 21 2025 Andrew Lukoshko <alukoshko@almalinux.org> - 1.20.4-1.alma.1
+- Add RISC-V support by David Abdurachmanov <davidlt@rivosinc.com>
+
 * Tue Aug 19 2025 Wander Lairson Costa <wander@redhat.com> - 1.20.4-1
 - Rebase to stalld-1.20.4
 - Remove duplicated ExecStart entry from the stalld.service file