mirror of https://gitee.com/openkylin/linux.git
37 lines
874 B
Plaintext
37 lines
874 B
Plaintext
# SPDX-License-Identifier: GPL-2.0
|
|
|
|
config HAVE_GENERIC_VDSO
|
|
bool
|
|
|
|
if HAVE_GENERIC_VDSO
|
|
|
|
config GENERIC_GETTIMEOFDAY
|
|
bool
|
|
help
|
|
This is a generic implementation of gettimeofday vdso.
|
|
Each architecture that enables this feature has to
|
|
provide the fallback implementation.
|
|
|
|
config GENERIC_VDSO_32
|
|
bool
|
|
depends on GENERIC_GETTIMEOFDAY && !64BIT
|
|
help
|
|
This config option helps to avoid possible performance issues
|
|
in 32 bit only architectures.
|
|
|
|
config GENERIC_COMPAT_VDSO
|
|
bool
|
|
help
|
|
This config option enables the compat VDSO layer.
|
|
|
|
config CROSS_COMPILE_COMPAT_VDSO
|
|
string "32 bit Toolchain prefix for compat vDSO"
|
|
default ""
|
|
depends on GENERIC_COMPAT_VDSO
|
|
help
|
|
Defines the cross-compiler prefix for compiling compat vDSO.
|
|
If a 64 bit compiler (i.e. x86_64) can compile the VDSO for
|
|
32 bit, it does not need to define this parameter.
|
|
|
|
endif
|