diff options
| -rw-r--r-- | arch/xtensa/Kbuild | 1 | ||||
| -rw-r--r-- | arch/xtensa/Kconfig | 2 | ||||
| -rw-r--r-- | arch/xtensa/Makefile | 12 | ||||
| -rw-r--r-- | arch/xtensa/kernel/traps.c | 7 | ||||
| -rw-r--r-- | arch/xtensa/platforms/Makefile | 4 | ||||
| -rw-r--r-- | arch/xtensa/platforms/iss/console.c | 6 |
6 files changed, 16 insertions, 16 deletions
diff --git a/arch/xtensa/Kbuild b/arch/xtensa/Kbuild index a4e40e534e6a..fd12f61745ba 100644 --- a/arch/xtensa/Kbuild +++ b/arch/xtensa/Kbuild @@ -1 +1,2 @@ # SPDX-License-Identifier: GPL-2.0-only +obj-y += kernel/ mm/ platforms/ boot/dts/ diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig index f02b8850b01b..9bf2a9bc8539 100644 --- a/arch/xtensa/Kconfig +++ b/arch/xtensa/Kconfig @@ -31,7 +31,7 @@ config XTENSA select HAVE_DMA_CONTIGUOUS select HAVE_EXIT_THREAD select HAVE_FUNCTION_TRACER - select HAVE_FUTEX_CMPXCHG if !MMU + select HAVE_FUTEX_CMPXCHG if !MMU && FUTEX select HAVE_HW_BREAKPOINT if PERF_EVENTS select HAVE_IRQ_TIME_ACCOUNTING select HAVE_PCI diff --git a/arch/xtensa/Makefile b/arch/xtensa/Makefile index e9c8f064c44d..96714ef7c89e 100644 --- a/arch/xtensa/Makefile +++ b/arch/xtensa/Makefile @@ -17,7 +17,6 @@ variant-y := $(patsubst "%",%,$(CONFIG_XTENSA_VARIANT_NAME)) VARIANT = $(variant-y) -export VARIANT ifneq ($(VARIANT),) ifdef cross_compiling @@ -33,9 +32,6 @@ platform-$(CONFIG_XTENSA_PLATFORM_XT2000) := xt2000 platform-$(CONFIG_XTENSA_PLATFORM_ISS) := iss platform-$(CONFIG_XTENSA_PLATFORM_XTFPGA) := xtfpga -PLATFORM = $(platform-y) -export PLATFORM - # temporarily until string.h is fixed KBUILD_CFLAGS += -ffreestanding -D__linux__ KBUILD_CFLAGS += -pipe -mlongcalls -mtext-section-literals @@ -57,19 +53,11 @@ KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(vardirs) $(plfdirs)) KBUILD_DEFCONFIG := iss_defconfig -# Only build variant and/or platform if it includes a Makefile - -buildvar := $(shell test -e $(srctree)/arch/xtensa/variants/$(VARIANT)/Makefile && echo arch/xtensa/variants/$(VARIANT)/) -buildplf := $(shell test -e $(srctree)/arch/xtensa/platforms/$(PLATFORM)/Makefile && echo arch/xtensa/platforms/$(PLATFORM)/) - # Find libgcc.a LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name) head-y := arch/xtensa/kernel/head.o -core-y += arch/xtensa/kernel/ arch/xtensa/mm/ -core-y += $(buildvar) $(buildplf) -core-y += arch/xtensa/boot/dts/ libs-y += arch/xtensa/lib/ $(LIBGCC) diff --git a/arch/xtensa/kernel/traps.c b/arch/xtensa/kernel/traps.c index efc3a29cde80..874b6efc6fb3 100644 --- a/arch/xtensa/kernel/traps.c +++ b/arch/xtensa/kernel/traps.c @@ -268,6 +268,7 @@ void do_interrupt(struct pt_regs *regs) XCHAL_INTLEVEL7_MASK, }; struct pt_regs *old_regs; + unsigned unhandled = ~0u; trace_hardirqs_off(); @@ -283,6 +284,10 @@ void do_interrupt(struct pt_regs *regs) for (level = LOCKLEVEL; level > 0; --level) { if (int_at_level & int_level_mask[level]) { int_at_level &= int_level_mask[level]; + if (int_at_level & unhandled) + int_at_level &= unhandled; + else + unhandled |= int_level_mask[level]; break; } } @@ -290,6 +295,8 @@ void do_interrupt(struct pt_regs *regs) if (level == 0) break; + /* clear lowest pending irq in the unhandled mask */ + unhandled ^= (int_at_level & -int_at_level); do_IRQ(__ffs(int_at_level), regs); } diff --git a/arch/xtensa/platforms/Makefile b/arch/xtensa/platforms/Makefile new file mode 100644 index 000000000000..e2e7e0726979 --- /dev/null +++ b/arch/xtensa/platforms/Makefile @@ -0,0 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only +obj-$(CONFIG_XTENSA_PLATFORM_XT2000) += xt2000/ +obj-$(CONFIG_XTENSA_PLATFORM_ISS) += iss/ +obj-$(CONFIG_XTENSA_PLATFORM_XTFPGA) += xtfpga/ diff --git a/arch/xtensa/platforms/iss/console.c b/arch/xtensa/platforms/iss/console.c index 81f988914d9a..81d7c7e8f7e9 100644 --- a/arch/xtensa/platforms/iss/console.c +++ b/arch/xtensa/platforms/iss/console.c @@ -199,10 +199,10 @@ late_initcall(rs_init); static void iss_console_write(struct console *co, const char *s, unsigned count) { - int len = strlen(s); - - if (s != 0 && *s != 0) + if (s && *s != 0) { + int len = strlen(s); simc_write(1, s, count < len ? count : len); + } } static struct tty_driver* iss_console_device(struct console *c, int *index) |