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-rw-r--r--arch/mips/Kconfig1
-rw-r--r--arch/mips/Makefile2
-rw-r--r--arch/mips/include/asm/fpu.h2
-rw-r--r--arch/mips/include/asm/pgalloc.h17
-rw-r--r--arch/mips/mm/tlbex.c2
-rw-r--r--arch/mips/mti-malta/malta-platform.c3
-rw-r--r--arch/mips/net/ebpf_jit.c3
7 files changed, 20 insertions, 10 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index cee6087cd686..6dfb27d531dd 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -71,7 +71,6 @@ config MIPS
select HAVE_FUNCTION_TRACER
select HAVE_GCC_PLUGINS
select HAVE_GENERIC_VDSO
- select HAVE_IDE
select HAVE_IOREMAP_PROT
select HAVE_IRQ_EXIT_ON_IRQ_STACK
select HAVE_IRQ_TIME_ACCOUNTING
diff --git a/arch/mips/Makefile b/arch/mips/Makefile
index 4e942b7ef022..653befc1b176 100644
--- a/arch/mips/Makefile
+++ b/arch/mips/Makefile
@@ -321,7 +321,7 @@ KBUILD_LDFLAGS += -m $(ld-emul)
ifdef CONFIG_MIPS
CHECKFLAGS += $(shell $(CC) $(KBUILD_CFLAGS) -dM -E -x c /dev/null | \
- egrep -vw '__GNUC_(|MINOR_|PATCHLEVEL_)_' | \
+ egrep -vw '__GNUC_(MINOR_|PATCHLEVEL_)?_' | \
sed -e "s/^\#define /-D'/" -e "s/ /'='/" -e "s/$$/'/" -e 's/\$$/&&/g')
endif
diff --git a/arch/mips/include/asm/fpu.h b/arch/mips/include/asm/fpu.h
index 08f9dd6903b7..86310d6e1035 100644
--- a/arch/mips/include/asm/fpu.h
+++ b/arch/mips/include/asm/fpu.h
@@ -76,7 +76,7 @@ static inline int __enable_fpu(enum fpu_mode mode)
/* we only have a 32-bit FPU */
return SIGFPE;
#endif
- fallthrough;
+ /* fallthrough */
case FPU_32BIT:
if (cpu_has_fre) {
/* clear FRE */
diff --git a/arch/mips/include/asm/pgalloc.h b/arch/mips/include/asm/pgalloc.h
index 4b2567d6b2df..c7925d0e9874 100644
--- a/arch/mips/include/asm/pgalloc.h
+++ b/arch/mips/include/asm/pgalloc.h
@@ -58,15 +58,20 @@ do { \
static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address)
{
- pmd_t *pmd = NULL;
+ pmd_t *pmd;
struct page *pg;
- pg = alloc_pages(GFP_KERNEL | __GFP_ACCOUNT, PMD_ORDER);
- if (pg) {
- pgtable_pmd_page_ctor(pg);
- pmd = (pmd_t *)page_address(pg);
- pmd_init((unsigned long)pmd, (unsigned long)invalid_pte_table);
+ pg = alloc_pages(GFP_KERNEL_ACCOUNT, PMD_ORDER);
+ if (!pg)
+ return NULL;
+
+ if (!pgtable_pmd_page_ctor(pg)) {
+ __free_pages(pg, PMD_ORDER);
+ return NULL;
}
+
+ pmd = (pmd_t *)page_address(pg);
+ pmd_init((unsigned long)pmd, (unsigned long)invalid_pte_table);
return pmd;
}
diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c
index cd4afcdf3725..9adad24c2e65 100644
--- a/arch/mips/mm/tlbex.c
+++ b/arch/mips/mm/tlbex.c
@@ -1383,6 +1383,7 @@ static void build_r4000_tlb_refill_handler(void)
switch (boot_cpu_type()) {
default:
if (sizeof(long) == 4) {
+ fallthrough;
case CPU_LOONGSON2EF:
/* Loongson2 ebase is different than r4k, we have more space */
if ((p - tlb_handler) > 64)
@@ -2169,6 +2170,7 @@ static void build_r4000_tlb_load_handler(void)
default:
if (cpu_has_mips_r2_exec_hazard) {
uasm_i_ehb(&p);
+ fallthrough;
case CPU_CAVIUM_OCTEON:
case CPU_CAVIUM_OCTEON_PLUS:
diff --git a/arch/mips/mti-malta/malta-platform.c b/arch/mips/mti-malta/malta-platform.c
index ee7471984fe7..4ffbcc58c6f6 100644
--- a/arch/mips/mti-malta/malta-platform.c
+++ b/arch/mips/mti-malta/malta-platform.c
@@ -48,7 +48,8 @@ static struct plat_serial8250_port uart8250_data[] = {
.mapbase = 0x1f000900, /* The CBUS UART */
.irq = MIPS_CPU_IRQ_BASE + MIPSCPU_INT_MB2,
.uartclk = 3686400, /* Twice the usual clk! */
- .iotype = UPIO_MEM32,
+ .iotype = IS_ENABLED(CONFIG_CPU_BIG_ENDIAN) ?
+ UPIO_MEM32BE : UPIO_MEM32,
.flags = CBUS_UART_FLAGS,
.regshift = 3,
},
diff --git a/arch/mips/net/ebpf_jit.c b/arch/mips/net/ebpf_jit.c
index 939dd06764bc..3a73e9375712 100644
--- a/arch/mips/net/ebpf_jit.c
+++ b/arch/mips/net/ebpf_jit.c
@@ -1355,6 +1355,9 @@ jeq_common:
}
break;
+ case BPF_ST | BPF_NOSPEC: /* speculation barrier */
+ break;
+
case BPF_ST | BPF_B | BPF_MEM:
case BPF_ST | BPF_H | BPF_MEM:
case BPF_ST | BPF_W | BPF_MEM: