mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2026-04-03 12:05:13 +02:00
5b37d2370d
[ Upstream commit84a6fc3784] There is no need to override the default version of this function anymore as UML now has proper _nofault memory access functions. Doing this also fixes the fact that the implementation was incorrect as using mincore() will incorrectly flag pages as inaccessible if they were swapped out by the host. Fixes:f75b1b1bed("um: Implement probe_kernel_read()") Signed-off-by: Benjamin Berg <benjamin.berg@intel.com> Link: https://patch.msgid.link/20250210160926.420133-3-benjamin@sipsolutions.net Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
66 lines
2.1 KiB
Makefile
66 lines
2.1 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
|
|
#
|
|
# Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux,intel}.com)
|
|
#
|
|
|
|
# Don't instrument UML-specific code; without this, we may crash when
|
|
# accessing the instrumentation buffer for the first time from the
|
|
# kernel.
|
|
KCOV_INSTRUMENT := n
|
|
|
|
CPPFLAGS_vmlinux.lds := -DSTART=$(LDS_START) \
|
|
-DELF_ARCH=$(LDS_ELF_ARCH) \
|
|
-DELF_FORMAT=$(LDS_ELF_FORMAT) \
|
|
$(LDS_EXTRA)
|
|
extra-y := vmlinux.lds
|
|
|
|
obj-y = config.o exec.o exitcode.o irq.o ksyms.o mem.o \
|
|
physmem.o process.o ptrace.o reboot.o sigio.o \
|
|
signal.o sysrq.o time.o tlb.o trap.o \
|
|
um_arch.o umid.o kmsg_dump.o capflags.o skas/
|
|
obj-y += load_file.o
|
|
|
|
obj-$(CONFIG_BLK_DEV_INITRD) += initrd.o
|
|
obj-$(CONFIG_GPROF) += gprof_syms.o
|
|
obj-$(CONFIG_OF) += dtb.o
|
|
obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
|
|
obj-$(CONFIG_STACKTRACE) += stacktrace.o
|
|
obj-$(CONFIG_GENERIC_PCI_IOMAP) += ioport.o
|
|
|
|
USER_OBJS := config.o
|
|
|
|
include $(srctree)/arch/um/scripts/Makefile.rules
|
|
|
|
targets := config.c config.tmp capflags.c
|
|
|
|
# Be careful with the below Sed code - sed is pitfall-rich!
|
|
# We use sed to lower build requirements, for "embedded" builders for instance.
|
|
|
|
$(obj)/config.tmp: $(objtree)/.config FORCE
|
|
$(call if_changed,quote1)
|
|
|
|
quiet_cmd_quote1 = QUOTE $@
|
|
cmd_quote1 = sed -e 's/"/\\"/g' -e 's/^/"/' -e 's/$$/\\n",/' \
|
|
$< > $@
|
|
|
|
$(obj)/config.c: $(src)/config.c.in $(obj)/config.tmp FORCE
|
|
$(call if_changed,quote2)
|
|
|
|
quiet_cmd_mkcapflags = MKCAP $@
|
|
cmd_mkcapflags = $(CONFIG_SHELL) $(src)/../../x86/kernel/cpu/mkcapflags.sh $@ $^
|
|
|
|
cpufeature = $(src)/../../x86/include/asm/cpufeatures.h
|
|
vmxfeature = $(src)/../../x86/include/asm/vmxfeatures.h
|
|
|
|
$(obj)/capflags.c: $(cpufeature) $(vmxfeature) $(src)/../../x86/kernel/cpu/mkcapflags.sh FORCE
|
|
$(call if_changed,mkcapflags)
|
|
|
|
quiet_cmd_quote2 = QUOTE $@
|
|
cmd_quote2 = sed -e '/CONFIG/{' \
|
|
-e 's/"CONFIG"//' \
|
|
-e 'r $(obj)/config.tmp' \
|
|
-e 'a \' \
|
|
-e '""' \
|
|
-e '}' \
|
|
$< > $@
|