diff options
125 files changed, 1831 insertions, 1426 deletions
diff --git a/MAINTAINERS b/MAINTAINERS index d2bf8f0cdca3..e1931e84f87d 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -17019,9 +17019,7 @@ L: linux-s390@vger.kernel.org S: Supported W: http://www.ibm.com/developerworks/linux/linux390/ F: Documentation/s390/vfio-ap.rst -F: drivers/s390/crypto/vfio_ap_drv.c -F: drivers/s390/crypto/vfio_ap_ops.c -F: drivers/s390/crypto/vfio_ap_private.h +F: drivers/s390/crypto/vfio_ap* S390 VFIO-CCW DRIVER M: Eric Farman <farman@linux.ibm.com> diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index 2e11ef97c8b9..9b80e8bed3f6 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -122,7 +122,6 @@ config S390 select ARCH_WANT_IPC_PARSE_VERSION select BUILDTIME_TABLE_SORT select CLONE_BACKWARDS2 - select CPU_NO_EFFICIENT_FFS if !HAVE_MARCH_Z9_109_FEATURES select DMA_OPS if PCI select DYNAMIC_FTRACE if FUNCTION_TRACER select GENERIC_ALLOCATOR @@ -157,7 +156,7 @@ config S390 select HAVE_DYNAMIC_FTRACE_WITH_ARGS select HAVE_DYNAMIC_FTRACE_WITH_DIRECT_CALLS select HAVE_DYNAMIC_FTRACE_WITH_REGS - select HAVE_EBPF_JIT if PACK_STACK && HAVE_MARCH_Z196_FEATURES + select HAVE_EBPF_JIT if HAVE_MARCH_Z196_FEATURES select HAVE_EFFICIENT_UNALIGNED_ACCESS select HAVE_FAST_GUP select HAVE_FENTRY @@ -232,20 +231,8 @@ source "kernel/livepatch/Kconfig" menu "Processor type and features" -config HAVE_MARCH_Z900_FEATURES - def_bool n - -config HAVE_MARCH_Z990_FEATURES - def_bool n - select HAVE_MARCH_Z900_FEATURES - -config HAVE_MARCH_Z9_109_FEATURES - def_bool n - select HAVE_MARCH_Z990_FEATURES - config HAVE_MARCH_Z10_FEATURES def_bool n - select HAVE_MARCH_Z9_109_FEATURES config HAVE_MARCH_Z196_FEATURES def_bool n @@ -271,41 +258,13 @@ choice prompt "Processor type" default MARCH_Z196 -config MARCH_Z900 - bool "IBM zSeries model z800 and z900" - select HAVE_MARCH_Z900_FEATURES - depends on $(cc-option,-march=z900) - help - Select this to enable optimizations for model z800/z900 (2064 and - 2066 series). This will enable some optimizations that are not - available on older ESA/390 (31 Bit) only CPUs. - -config MARCH_Z990 - bool "IBM zSeries model z890 and z990" - select HAVE_MARCH_Z990_FEATURES - depends on $(cc-option,-march=z990) - help - Select this to enable optimizations for model z890/z990 (2084 and - 2086 series). The kernel will be slightly faster but will not work - on older machines. - -config MARCH_Z9_109 - bool "IBM System z9" - select HAVE_MARCH_Z9_109_FEATURES - depends on $(cc-option,-march=z9-109) - help - Select this to enable optimizations for IBM System z9 (2094 and - 2096 series). The kernel will be slightly faster but will not work - on older machines. - config MARCH_Z10 bool "IBM System z10" select HAVE_MARCH_Z10_FEATURES depends on $(cc-option,-march=z10) help - Select this to enable optimizations for IBM System z10 (2097 and - 2098 series). The kernel will be slightly faster but will not work - on older machines. + Select this to enable optimizations for IBM System z10 (2097 and 2098 + series). This is the oldest machine generation currently supported. config MARCH_Z196 bool "IBM zEnterprise 114 and 196" @@ -354,15 +313,6 @@ config MARCH_Z15 endchoice -config MARCH_Z900_TUNE - def_bool TUNE_Z900 || MARCH_Z900 && TUNE_DEFAULT - -config MARCH_Z990_TUNE - def_bool TUNE_Z990 || MARCH_Z990 && TUNE_DEFAULT - -config MARCH_Z9_109_TUNE - def_bool TUNE_Z9_109 || MARCH_Z9_109 && TUNE_DEFAULT - config MARCH_Z10_TUNE def_bool TUNE_Z10 || MARCH_Z10 && TUNE_DEFAULT @@ -398,21 +348,8 @@ config TUNE_DEFAULT Tune the generated code for the target processor for which the kernel will be compiled. -config TUNE_Z900 - bool "IBM zSeries model z800 and z900" - depends on $(cc-option,-mtune=z900) - -config TUNE_Z990 - bool "IBM zSeries model z890 and z990" - depends on $(cc-option,-mtune=z990) - -config TUNE_Z9_109 - bool "IBM System z9" - depends on $(cc-option,-mtune=z9-109) - config TUNE_Z10 bool "IBM System z10" - depends on $(cc-option,-mtune=z10) config TUNE_Z196 bool "IBM zEnterprise 114 and 196" @@ -587,6 +524,7 @@ config KERNEL_NOBP config EXPOLINE def_bool n + depends on $(cc-option,-mindirect-branch=thunk) prompt "Avoid speculative indirect branches in the kernel" help Compile the kernel with the expoline compiler options to guard @@ -597,6 +535,19 @@ config EXPOLINE If un |