From 27600805e62f800bacf990354632eae4e487d34c Mon Sep 17 00:00:00 2001 From: Yazen Ghannam Date: Thu, 3 Sep 2026 10:43:25 -0500 Subject: x86/amd_node: Fix PCI device reference counting in amd_smn_init() The local "root" pointer is a temporary variable used during the device search. Therefore, refcount related to the search iterators should be cleaned up after the search is complete. Use the __free() cleanup macro to ensure the refcount is decremented when the temporary pointer goes out of scope. Additionally, increment the refcount when caching a root pointer. This ensures the in-use refcount is separate from the temporary search refcounting. Finally, drop the redundant "root = NULL" before the second search loop. The pci_get_class() iterator always decrements the refcount of its "from" argument, so the first loop can only fall through with "root" already NULL. Fixes: 0a4b61d9c2e4 ("x86/amd_node: Fix AMD root device caching") Closes: https://sashiko.dev/#/patchset/20260806160159.230453-1-jason.andryuk%40amd.com Reported-by: Sashiko Assisted-by: LLM Signed-off-by: Yazen Ghannam Signed-off-by: Borislav Petkov (AMD) Reviewed-by: Mario Limonciello (AMD) Cc: Link: https://patch.msgid.link/20260903154325.74343-1-yazen.ghannam@amd.com --- arch/arc/boot/Makefile | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 arch/arc/boot/Makefile (limited to 'arch/arc/boot/Makefile') diff --git a/arch/arc/boot/Makefile b/arch/arc/boot/Makefile new file mode 100644 index 000000000..5a8550124 --- /dev/null +++ b/arch/arc/boot/Makefile @@ -0,0 +1,38 @@ +# SPDX-License-Identifier: GPL-2.0 + +# uImage build relies on mkimage being available on your host for ARC target +# You will need to build u-boot for ARC, rename mkimage to arc-elf32-mkimage +# and make sure it's reachable from your PATH + +OBJCOPYFLAGS= -O binary -R .note -R .note.gnu.build-id -R .comment -S + +LINUX_START_TEXT = $$($(READELF) -h vmlinux | \ + grep "Entry point address" | grep -o 0x.*) + +UIMAGE_LOADADDR = $(CONFIG_LINUX_LINK_BASE) +UIMAGE_ENTRYADDR = $(LINUX_START_TEXT) + +targets += vmlinux.bin +targets += vmlinux.bin.gz +targets += vmlinux.bin.lzma +targets += uImage.bin +targets += uImage.gz +targets += uImage.lzma + +$(obj)/vmlinux.bin: vmlinux FORCE + $(call if_changed,objcopy) + +$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE + $(call if_changed,gzip) + +$(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FORCE + $(call if_changed,lzma) + +$(obj)/uImage.bin: $(obj)/vmlinux.bin FORCE + $(call if_changed,uimage,none) + +$(obj)/uImage.gz: $(obj)/vmlinux.bin.gz FORCE + $(call if_changed,uimage,gzip) + +$(obj)/uImage.lzma: $(obj)/vmlinux.bin.lzma FORCE + $(call if_changed,uimage,lzma) -- cgit v1.3.1