diff options
| -rw-r--r-- | .mailmap | 3 | ||||
| -rw-r--r-- | MAINTAINERS | 10 | ||||
| -rw-r--r-- | arch/mips/bcm63xx/prom.c | 2 | ||||
| -rw-r--r-- | arch/mips/include/asm/bmips.h | 10 | ||||
| -rw-r--r-- | arch/mips/include/asm/vdso/gettimeofday.h | 4 | ||||
| -rw-r--r-- | arch/mips/kernel/smp-bmips.c | 8 | ||||
| -rw-r--r-- | arch/mips/mm/tlbex.c | 23 |
7 files changed, 35 insertions, 25 deletions
@@ -196,7 +196,8 @@ Oleksij Rempel <linux@rempel-privat.de> <o.rempel@pengutronix.de> Oleksij Rempel <linux@rempel-privat.de> <ore@pengutronix.de> Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Patrick Mochel <mochel@digitalimplant.org> -Paul Burton <paul.burton@mips.com> <paul.burton@imgtec.com> +Paul Burton <paulburton@kernel.org> <paul.burton@imgtec.com> +Paul Burton <paulburton@kernel.org> <paul.burton@mips.com> Peter A Jonsson <pj@ludd.ltu.se> Peter Oruba <peter@oruba.de> Peter Oruba <peter.oruba@amd.com> diff --git a/MAINTAINERS b/MAINTAINERS index 52f3ac28b69e..c6c34d04ce95 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -3098,7 +3098,7 @@ S: Supported F: arch/arm64/net/ BPF JIT for MIPS (32-BIT AND 64-BIT) -M: Paul Burton <paul.burton@mips.com> +M: Paul Burton <paulburton@kernel.org> L: netdev@vger.kernel.org L: bpf@vger.kernel.org S: Maintained @@ -8002,7 +8002,7 @@ S: Maintained F: drivers/usb/atm/ueagle-atm.c IMGTEC ASCII LCD DRIVER -M: Paul Burton <paul.burton@mips.com> +M: Paul Burton <paulburton@kernel.org> S: Maintained F: Documentation/devicetree/bindings/auxdisplay/img-ascii-lcd.txt F: drivers/auxdisplay/img-ascii-lcd.c @@ -10829,7 +10829,7 @@ F: drivers/usb/image/microtek.* MIPS M: Ralf Baechle <ralf@linux-mips.org> -M: Paul Burton <paul.burton@mips.com> +M: Paul Burton <paulburton@kernel.org> M: James Hogan <jhogan@kernel.org> L: linux-mips@vger.kernel.org W: http://www.linux-mips.org/ @@ -10843,7 +10843,7 @@ F: arch/mips/ F: drivers/platform/mips/ MIPS BOSTON DEVELOPMENT BOARD -M: Paul Burton <paul.burton@mips.com> +M: Paul Burton <paulburton@kernel.org> L: linux-mips@vger.kernel.org S: Maintained F: Documentation/devicetree/bindings/clock/img,boston-clock.txt @@ -10853,7 +10853,7 @@ F: drivers/clk/imgtec/clk-boston.c F: include/dt-bindings/clock/boston-clock.h MIPS GENERIC PLATFORM -M: Paul Burton <paul.burton@mips.com> +M: Paul Burton <paulburton@kernel.org> L: linux-mips@vger.kernel.org S: Supported F: Documentation/devicetree/bindings/power/mti,mips-cpc.txt diff --git a/arch/mips/bcm63xx/prom.c b/arch/mips/bcm63xx/prom.c index 77a836e661c9..df69eaa453a1 100644 --- a/arch/mips/bcm63xx/prom.c +++ b/arch/mips/bcm63xx/prom.c @@ -84,7 +84,7 @@ void __init prom_init(void) * Here we will start up CPU1 in the background and ask it to * reconfigure itself then go back to sleep. */ - memcpy((void *)0xa0000200, &bmips_smp_movevec, 0x20); + memcpy((void *)0xa0000200, bmips_smp_movevec, 0x20); __sync(); set_c0_cause(C_SW0); cpumask_set_cpu(1, &bmips_booted_mask); diff --git a/arch/mips/include/asm/bmips.h b/arch/mips/include/asm/bmips.h index bf6a8afd7ad2..581a6a3c66e4 100644 --- a/arch/mips/include/asm/bmips.h +++ b/arch/mips/include/asm/bmips.h @@ -75,11 +75,11 @@ static inline int register_bmips_smp_ops(void) #endif } -extern char bmips_reset_nmi_vec; -extern char bmips_reset_nmi_vec_end; -extern char bmips_smp_movevec; -extern char bmips_smp_int_vec; -extern char bmips_smp_int_vec_end; +extern char bmips_reset_nmi_vec[]; +extern char bmips_reset_nmi_vec_end[]; +extern char bmips_smp_movevec[]; +extern char bmips_smp_int_vec[]; +extern char bmips_smp_int_vec_end[]; extern int bmips_smp_enabled; extern int bmips_cpu_offset; diff --git a/arch/mips/include/asm/vdso/gettimeofday.h b/arch/mips/include/asm/vdso/gettimeofday.h index e78462e8ca2e..b08825531e9f 100644 --- a/arch/mips/include/asm/vdso/gettimeofday.h +++ b/arch/mips/include/asm/vdso/gettimeofday.h @@ -24,6 +24,8 @@ #define VDSO_HAS_CLOCK_GETRES 1 +#define __VDSO_USE_SYSCALL ULLONG_MAX + #ifdef CONFIG_MIPS_CLOCK_VSYSCALL static __always_inline long gettimeofday_fallback( @@ -205,7 +207,7 @@ static __always_inline u64 __arch_get_hw_counter(s32 clock_mode) break; #endif default: - cycle_now = 0; + cycle_now = __VDSO_USE_SYSCALL; break; } diff --git a/arch/mips/kernel/smp-bmips.c b/arch/mips/kernel/smp-bmips.c index 76fae9b79f13..712c15de6ab9 100644 --- a/arch/mips/kernel/smp-bmips.c +++ b/arch/mips/kernel/smp-bmips.c @@ -464,10 +464,10 @@ static void bmips_wr_vec(unsigned long dst, char *start, char *end) static inline void bmips_nmi_handler_setup(void) { - bmips_wr_vec(BMIPS_NMI_RESET_VEC, &bmips_reset_nmi_vec, - &bmips_reset_nmi_vec_end); - bmips_wr_vec(BMIPS_WARM_RESTART_VEC, &bmips_smp_int_vec, - &bmips_smp_int_vec_end); + bmips_wr_vec(BMIPS_NMI_RESET_VEC, bmips_reset_nmi_vec, + bmips_reset_nmi_vec_end); + bmips_wr_vec(BMIPS_WARM_RESTART_VEC, bmips_smp_int_vec, + bmips_smp_int_vec_end); } struct reset_vec_info { diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c index e01cb33bfa1a..41bb91f05688 100644 --- a/arch/mips/mm/tlbex.c +++ b/arch/mips/mm/tlbex.c @@ -653,6 +653,13 @@ static void build_restore_pagemask(u32 **p, struct uasm_reloc **r, int restore_scratch) { if (restore_scratch) { + /* + * Ensure the MFC0 below observes the value written to the + * KScratch register by the prior MTC0. + */ + if (scratch_reg >= 0) + uasm_i_ehb(p); + /* Reset default page size */ if (PM_DEFAULT_MASK >> 16) { uasm_i_lui(p, tmp, PM_DEFAULT_MASK >> 16); @@ -667,12 +674,10 @@ static void build_restore_pagemask(u32 **p, struct uasm_reloc **r, uasm_i_mtc0(p, 0, C0_PAGEMASK); uasm_il_b(p, r, lid); } - if (scratch_reg >= 0) { - uasm_i_ehb(p); + if (scratch_reg >= 0) UASM_i_MFC0(p, 1, c0_kscratch(), scratch_reg); - } else { + else UASM_i_LW(p, 1, scratchpad_offset(0), 0); - } } else { /* Reset default page size */ if (PM_DEFAULT_MASK >> 16) { @@ -921,6 +926,10 @@ build_get_pgd_vmalloc64(u32 **p, struct uasm_label **l, struct uasm_reloc **r, } if (mode != not_refill && check_for_high_segbits) { uasm_l_large_segbits_fault(l, *p); + + if (mode == refill_scratch && scratch_reg >= 0) + uasm_i_ehb(p); + /* * We get here if we are an xsseg address, or if we are * an xuseg address above (PGDIR_SHIFT+PGDIR_BITS) boundary. @@ -939,12 +948,10 @@ build_get_pgd_vmalloc64(u32 **p, struct uasm_label **l, struct uasm_reloc **r, uasm_i_jr(p, ptr); if (mode == refill_scratch) { - if (scratch_reg >= 0) { - uasm_i_ehb(p); + if (scratch_reg >= 0) UASM_i_MFC0(p, 1, c0_kscratch(), scratch_reg); - } else { + else UASM_i_LW(p, 1, scratchpad_offset(0), 0); - } } else { uasm_i_nop(p); } |