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x86/cc: Move arch/x86/{kernel/cc_platform.c => coco/core.c}

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Move cc_platform.c to arch/x86/coco/. The directory is going to be the
home space for code related to confidential computing.

Intel TDX code will land here. AMD SEV code will also eventually be
moved there.

No functional changes.

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Tom Lendacky <thomas.lendacky@amd.com>
Link: https://lore.kernel.org/r/20220222185740.26228-3-kirill.shutemov@linux.intel.com
This commit is contained in:
Kirill A. Shutemov 2022-02-22 21:57:38 +03:00 • committed by Borislav Petkov
parent cfb92440ee
commit 6198311093
4 changed files with 8 additions and 5 deletions

2
arch/x86/Kbuild
View file

@ -1,4 +1,6 @@
# SPDX-License-Identifier: GPL-2.0
obj-$(CONFIG_ARCH_HAS_CC_PLATFORM) += coco/
obj-y += entry/
obj-$(CONFIG_PERF_EVENTS) += events/

6
arch/x86/coco/Makefile Normal file
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@ -0,0 +1,6 @@
# SPDX-License-Identifier: GPL-2.0
CFLAGS_REMOVE_core.o = -pg
KASAN_SANITIZE_core.o := n
CFLAGS_core.o += -fno-stack-protector
obj-y += core.o

0
arch/x86/kernel/cc_platform.c → arch/x86/coco/core.c
View file

5
arch/x86/kernel/Makefile
View file

@ -21,7 +21,6 @@ CFLAGS_REMOVE_ftrace.o = -pg
CFLAGS_REMOVE_early_printk.o = -pg
CFLAGS_REMOVE_head64.o = -pg
CFLAGS_REMOVE_sev.o = -pg
CFLAGS_REMOVE_cc_platform.o = -pg
endif
KASAN_SANITIZE_head$(BITS).o := n
@ -30,7 +29,6 @@ KASAN_SANITIZE_dumpstack_$(BITS).o := n
KASAN_SANITIZE_stacktrace.o := n
KASAN_SANITIZE_paravirt.o := n
KASAN_SANITIZE_sev.o := n
KASAN_SANITIZE_cc_platform.o := n
# With some compiler versions the generated code results in boot hangs, caused
# by several compilation units. To be safe, disable all instrumentation.
@ -49,7 +47,6 @@ endif
KCOV_INSTRUMENT := n
CFLAGS_head$(BITS).o += -fno-stack-protector
CFLAGS_cc_platform.o += -fno-stack-protector
CFLAGS_irq.o := -I $(srctree)/$(src)/../include/asm/trace
@ -151,8 +148,6 @@ obj-$(CONFIG_UNWINDER_GUESS) += unwind_guess.o
obj-$(CONFIG_AMD_MEM_ENCRYPT) += sev.o
obj-$(CONFIG_ARCH_HAS_CC_PLATFORM) += cc_platform.o
###
# 64 bit specific files
ifeq ($(CONFIG_X86_64),y)