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Diffstat (limited to 'arch/xtensa/Kconfig')
| -rw-r--r-- | arch/xtensa/Kconfig | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig index 3d83c29c9232..49c6c3d94449 100644 --- a/arch/xtensa/Kconfig +++ b/arch/xtensa/Kconfig @@ -238,6 +238,32 @@ config HIGHMEM If unsure, say Y. +config FAST_SYSCALL_XTENSA + bool "Enable fast atomic syscalls" + default n + help + fast_syscall_xtensa is a syscall that can make atomic operations + on UP kernel when processor has no s32c1i support. + + This syscall is deprecated. It may have issues when called with + invalid arguments. It is provided only for backwards compatibility. + Only enable it if your userspace software requires it. + + If unsure, say N. + +config FAST_SYSCALL_SPILL_REGISTERS + bool "Enable spill registers syscall" + default n + help + fast_syscall_spill_registers is a syscall that spills all active + register windows of a calling userspace task onto its stack. + + This syscall is deprecated. It may have issues when called with + invalid arguments. It is provided only for backwards compatibility. + Only enable it if your userspace software requires it. + + If unsure, say N. + endmenu config XTENSA_CALIBRATE_CCOUNT |