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authorLinus Torvalds <torvalds@linux-foundation.org>2023-03-01 09:13:00 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2023-03-01 09:13:00 -0800
commit64e851689e441e66e001ae063d4536602f9f74cb (patch)
treec1be998b768f6f53be43252d057b36ba28ecfb74 /arch/x86/Makefile.um
parente31b283a58dfe50ab1641d8fd2ead9b62f9ab256 (diff)
parent04df97e150c83d4640540008e95d0229cb188135 (diff)
Merge tag 'uml-for-linus-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/uml/linux
Pull UML updates from Richard Weinberger: - Add support for rust (yay!) - Add support for LTO - Add platform bus support to virtio-pci - Various virtio fixes - Coding style, spelling cleanups * tag 'uml-for-linus-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/uml/linux: (27 commits) Documentation: rust: Fix arch support table uml: vector: Remove unused definitions VECTOR_{WRITE,HEADERS} um: virt-pci: properly remove PCI device from bus um: virtio_uml: move device breaking into workqueue um: virtio_uml: mark device as unregistered when breaking it um: virtio_uml: free command if adding to virtqueue failed UML: define RUNTIME_DISCARD_EXIT virt-pci: add platform bus support um-virt-pci: Make max delay configurable um: virt-pci: implement pcibios_get_phb_of_node() um: Support LTO um: put power options in a menu um: Use CFLAGS_vmlinux um: Prevent building modules incompatible with MODVERSIONS um: Avoid pcap multiple definition errors um: Make the definition of cpu_data more compatible x86: um: vdso: Add '%rcx' and '%r11' to the syscall clobber list rust: arch/um: Add support for CONFIG_RUST under x86_64 UML rust: arch/um: Disable FP/SIMD instruction to match x86 rust: arch/um: Use 'pie' relocation mode under UML ...
Diffstat (limited to 'arch/x86/Makefile.um')
-rw-r--r--arch/x86/Makefile.um6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/x86/Makefile.um b/arch/x86/Makefile.um
index b89e2e0024c5..b70559b821df 100644
--- a/arch/x86/Makefile.um
+++ b/arch/x86/Makefile.um
@@ -1,6 +1,12 @@
# SPDX-License-Identifier: GPL-2.0
core-y += arch/x86/crypto/
+#
+# Disable SSE and other FP/SIMD instructions to match normal x86
+#
+KBUILD_CFLAGS += -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx
+KBUILD_RUSTFLAGS += -Ctarget-feature=-sse,-sse2,-sse3,-ssse3,-sse4.1,-sse4.2,-avx,-avx2
+
ifeq ($(CONFIG_X86_32),y)
START := 0x8048000