diff options
| -rw-r--r-- | arch/powerpc/include/asm/hw_irq.h | 2 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/reg.h | 1 | ||||
| -rw-r--r-- | arch/powerpc/kernel/btext.c | 3 | ||||
| -rw-r--r-- | arch/powerpc/kernel/entry_32.S | 15 | ||||
| -rw-r--r-- | arch/powerpc/kernel/interrupt.c | 5 | ||||
| -rw-r--r-- | arch/powerpc/kexec/core_64.c | 19 | ||||
| -rw-r--r-- | arch/powerpc/platforms/powernv/idle.c | 9 | ||||
| -rwxr-xr-x | arch/powerpc/tools/gcc-check-fpatchable-function-entry.sh | 1 | ||||
| -rwxr-xr-x | arch/powerpc/tools/gcc-check-mprofile-kernel.sh | 1 | ||||
| -rw-r--r-- | tools/testing/selftests/powerpc/pmu/sampling_tests/.gitignore | 1 |
10 files changed, 33 insertions, 24 deletions
diff --git a/arch/powerpc/include/asm/hw_irq.h b/arch/powerpc/include/asm/hw_irq.h index 1078ba88efaf..9cd945f2acaf 100644 --- a/arch/powerpc/include/asm/hw_irq.h +++ b/arch/powerpc/include/asm/hw_irq.h @@ -90,7 +90,7 @@ static inline void __hard_EE_RI_disable(void) if (IS_ENABLED(CONFIG_BOOKE)) wrtee(0); else if (IS_ENABLED(CONFIG_PPC_8xx)) - wrtspr(SPRN_NRI); + wrtspr_sync(SPRN_NRI); else if (IS_ENABLED(CONFIG_PPC_BOOK3S_64)) __mtmsrd(0, 1); else diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h index 3fe186635432..3449dd2b577d 100644 --- a/arch/powerpc/include/asm/reg.h +++ b/arch/powerpc/include/asm/reg.h @@ -1400,6 +1400,7 @@ static inline void mtmsr_isync(unsigned long val) : "r" ((unsigned long)(v)) \ : "memory") #define wrtspr(rn) asm volatile("mtspr " __stringify(rn) ",2" : : : "memory") +#define wrtspr_sync(rn) asm volatile("mtspr " __stringify(rn) ",2; sync" : : : "memory") static inline void wrtee(unsigned long val) { diff --git a/arch/powerpc/kernel/btext.c b/arch/powerpc/kernel/btext.c index 7f63f1cdc6c3..ca00c4824e31 100644 --- a/arch/powerpc/kernel/btext.c +++ b/arch/powerpc/kernel/btext.c @@ -20,6 +20,7 @@ #include <asm/io.h> #include <asm/processor.h> #include <asm/udbg.h> +#include <asm/setup.h> #define NO_SCROLL @@ -463,7 +464,7 @@ static noinline void draw_byte(unsigned char c, long locX, long locY) { unsigned char *base = calc_base(locX << 3, locY << 4); unsigned int font_index = c * 16; - const unsigned char *font = font_sun_8x16.data + font_index; + const unsigned char *font = PTRRELOC(font_sun_8x16.data) + font_index; int rb = dispDeviceRowBytes; rmci_maybe_on(); diff --git a/arch/powerpc/kernel/entry_32.S b/arch/powerpc/kernel/entry_32.S index 16f8ee6cb2cd..d8426251b1cd 100644 --- a/arch/powerpc/kernel/entry_32.S +++ b/arch/powerpc/kernel/entry_32.S @@ -101,17 +101,6 @@ SYM_FUNC_END(__kuep_unlock) .endm #endif -.macro clr_ri trash -#ifndef CONFIG_BOOKE -#ifdef CONFIG_PPC_8xx - mtspr SPRN_NRI, \trash -#else - li \trash, MSR_KERNEL & ~MSR_RI - mtmsr \trash -#endif -#endif -.endm - .globl transfer_to_syscall transfer_to_syscall: stw r3, ORIG_GPR3(r1) @@ -160,7 +149,6 @@ ret_from_syscall: cmpwi r3,0 REST_GPR(3, r1) syscall_exit_finish: - clr_ri r4 mtspr SPRN_SRR0,r7 mtspr SPRN_SRR1,r8 @@ -237,7 +225,6 @@ fast_exception_return: /* Clear the exception marker on the stack to avoid confusing stacktrace */ li r10, 0 stw r10, 8(r11) - clr_ri r10 mtspr SPRN_SRR1,r9 mtspr SPRN_SRR0,r12 REST_GPR(9, r11) @@ -270,7 +257,6 @@ interrupt_return: .Lfast_user_interrupt_return: lwz r11,_NIP(r1) lwz r12,_MSR(r1) - clr_ri r4 mtspr SPRN_SRR0,r11 mtspr SPRN_SRR1,r12 @@ -313,7 +299,6 @@ END_FTR_SECTION_IFSET(CPU_FTR_NEED_PAIRED_STWCX) cmpwi cr1,r3,0 lwz r11,_NIP(r1) lwz r12,_MSR(r1) - clr_ri r4 mtspr SPRN_SRR0,r11 mtspr SPRN_SRR1,r12 diff --git a/arch/powerpc/kernel/interrupt.c b/arch/powerpc/kernel/interrupt.c index aea6f7e8e9c6..e63bfde13e03 100644 --- a/arch/powerpc/kernel/interrupt.c +++ b/arch/powerpc/kernel/interrupt.c @@ -38,7 +38,7 @@ static inline bool exit_must_hard_disable(void) #else static inline bool exit_must_hard_disable(void) { - return false; + return true; } #endif @@ -443,6 +443,9 @@ again: if (unlikely(stack_store)) __hard_EE_RI_disable(); +#else + } else { + __hard_EE_RI_disable(); #endif /* CONFIG_PPC64 */ } diff --git a/arch/powerpc/kexec/core_64.c b/arch/powerpc/kexec/core_64.c index 222aa326dace..825ab8a88f18 100644 --- a/arch/powerpc/kexec/core_64.c +++ b/arch/powerpc/kexec/core_64.c @@ -202,6 +202,23 @@ static void kexec_prepare_cpus_wait(int wait_state) mb(); } + +/* + * The add_cpu() call in wake_offline_cpus() can fail as cpu_bootable() + * returns false for CPUs that fail the cpu_smt_thread_allowed() check + * or non primary threads if SMT is disabled. Re-enable SMT and set the + * number of SMT threads to threads per core. + */ +static void kexec_smt_reenable(void) +{ +#if defined(CONFIG_SMP) && defined(CONFIG_HOTPLUG_SMT) + lock_device_hotplug(); + cpu_smt_num_threads = threads_per_core; + cpu_smt_control = CPU_SMT_ENABLED; + unlock_device_hotplug(); +#endif +} + /* * We need to make sure each present CPU is online. The next kernel will scan * the device tree and assume primary threads are online and query secondary @@ -216,6 +233,8 @@ static void wake_offline_cpus(void) { int cpu = 0; + kexec_smt_reenable(); + for_each_present_cpu(cpu) { if (!cpu_online(cpu)) { printk(KERN_INFO "kexec: Waking offline cpu %d.\n", diff --git a/arch/powerpc/platforms/powernv/idle.c b/arch/powerpc/platforms/powernv/idle.c index d98b933e4984..e4f4e907f6e3 100644 --- a/arch/powerpc/platforms/powernv/idle.c +++ b/arch/powerpc/platforms/powernv/idle.c @@ -1171,8 +1171,9 @@ static void __init pnv_arch300_idle_init(void) u64 max_residency_ns = 0; int i; - /* stop is not really architected, we only have p9,p10 drivers */ - if (!pvr_version_is(PVR_POWER10) && !pvr_version_is(PVR_POWER9)) + /* stop is not really architected, we only have p9,p10 and p11 drivers */ + if (!pvr_version_is(PVR_POWER9) && !pvr_version_is(PVR_POWER10) && + !pvr_version_is(PVR_POWER11)) return; /* @@ -1189,8 +1190,8 @@ static void __init pnv_arch300_idle_init(void) struct pnv_idle_states_t *state = &pnv_idle_states[i]; u64 psscr_rl = state->psscr_val & PSSCR_RL_MASK; - /* No deep loss driver implemented for POWER10 yet */ - if (pvr_version_is(PVR_POWER10) && + /* No deep loss driver implemented for POWER10 and POWER11 yet */ + if ((pvr_version_is(PVR_POWER10) || pvr_version_is(PVR_POWER11)) && state->flags & (OPAL_PM_TIMEBASE_STOP|OPAL_PM_LOSE_FULL_CONTEXT)) continue; diff --git a/arch/powerpc/tools/gcc-check-fpatchable-function-entry.sh b/arch/powerpc/tools/gcc-check-fpatchable-function-entry.sh index 06706903503b..baed467a016b 100755 --- a/arch/powerpc/tools/gcc-check-fpatchable-function-entry.sh +++ b/arch/powerpc/tools/gcc-check-fpatchable-function-entry.sh @@ -2,7 +2,6 @@ # SPDX-License-Identifier: GPL-2.0 set -e -set -o pipefail # To debug, uncomment the following line # set -x diff --git a/arch/powerpc/tools/gcc-check-mprofile-kernel.sh b/arch/powerpc/tools/gcc-check-mprofile-kernel.sh index 73e331e7660e..6193b0ed0c77 100755 --- a/arch/powerpc/tools/gcc-check-mprofile-kernel.sh +++ b/arch/powerpc/tools/gcc-check-mprofile-kernel.sh @@ -2,7 +2,6 @@ # SPDX-License-Identifier: GPL-2.0 set -e -set -o pipefail # To debug, uncomment the following line # set -x diff --git a/tools/testing/selftests/powerpc/pmu/sampling_tests/.gitignore b/tools/testing/selftests/powerpc/pmu/sampling_tests/.gitignore index f93b4c7c3a8a..ea29228334e8 100644 --- a/tools/testing/selftests/powerpc/pmu/sampling_tests/.gitignore +++ b/tools/testing/selftests/powerpc/pmu/sampling_tests/.gitignore @@ -1,5 +1,6 @@ bhrb_filter_map_test bhrb_no_crash_wo_pmu_test +check_extended_reg_test intr_regs_no_crash_wo_pmu_test mmcr0_cc56run_test mmcr0_exceptionbits_test |