diff options
| author | Zeng Chi <zengchi@kylinos.cn> | 2026-09-21 18:24:42 +0800 |
|---|---|---|
| committer | Sean Christopherson <seanjc@google.com> | 2026-09-22 08:36:16 -0700 |
| commit | 119e9db233ad0f4cbd4cfb9f9385a7bca378b37d (patch) | |
| tree | 660d50d4139cb750fbde1ae3432452c20726c99d /arch/xtensa/boot/Makefile | |
| download | linux-stable-119e9db233ad0f4cbd4cfb9f9385a7bca378b37d.tar.gz linux-stable-119e9db233ad0f4cbd4cfb9f9385a7bca378b37d.zip | |
KVM: Don't pre-reserve xarray entries when storing empty/NULL attributesgrafted
Skip the xarray reservation loop when clearing all memory attributes, as
storing NULL only erases the entry and never needs to allocate, so no
reservation (and no cleanup of a failed one) is required in that case.
Suggested-by: Sean Christopherson <seanjc@google.com>
Cc: David Ballesteros <davimaba.v@proton.me>
Signed-off-by: Zeng Chi <zengchi@kylinos.cn>
Link: https://patch.msgid.link/20260921102442.1232375-1-zeng_chi911@163.com
[sean: split to separate patch]
Signed-off-by: Sean Christopherson <seanjc@google.com>
Diffstat (limited to 'arch/xtensa/boot/Makefile')
| -rw-r--r-- | arch/xtensa/boot/Makefile | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/arch/xtensa/boot/Makefile b/arch/xtensa/boot/Makefile new file mode 100644 index 000000000..d8b0fadf4 --- /dev/null +++ b/arch/xtensa/boot/Makefile @@ -0,0 +1,53 @@ +# +# arch/xtensa/boot/Makefile +# +# This file is subject to the terms and conditions of the GNU General Public +# License. See the file "COPYING" in the main directory of this archive +# for more details. +# +# + + +# KBUILD_CFLAGS used when building rest of boot (takes effect recursively) +KBUILD_CFLAGS += -fno-builtin + +subdir-y := lib +targets += vmlinux.bin vmlinux.bin.gz +targets += uImage xipImage + +# Subdirs for the boot loader(s) + +boot-$(CONFIG_XTENSA_PLATFORM_ISS) += Image +boot-$(CONFIG_XTENSA_PLATFORM_XT2000) += Image zImage uImage +boot-$(CONFIG_XTENSA_PLATFORM_XTFPGA) += Image zImage uImage + +all: $(boot-y) +Image: boot-elf +zImage: boot-redboot +uImage: $(obj)/uImage +xipImage: $(obj)/xipImage + +boot-elf boot-redboot: $(addprefix $(obj)/,$(subdir-y)) + $(Q)$(MAKE) $(build)=$(obj)/$@ $(MAKECMDGOALS) + +OBJCOPYFLAGS = --strip-all -R .comment -R .notes -O binary + +$(obj)/vmlinux.bin: vmlinux FORCE + $(call if_changed,objcopy) + +$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE + $(call if_changed,gzip) + +boot-elf: $(obj)/vmlinux.bin +boot-redboot: $(obj)/vmlinux.bin.gz + +UIMAGE_LOADADDR = $(CONFIG_KERNEL_LOAD_ADDRESS) +UIMAGE_COMPRESSION = gzip + +$(obj)/uImage: $(obj)/vmlinux.bin.gz FORCE + $(call if_changed,uimage) + $(Q)$(kecho) ' Kernel: $@ is ready' + +$(obj)/xipImage: vmlinux FORCE + $(call if_changed,objcopy) + $(Q)$(kecho) ' Kernel: $@ is ready' |