Merge tag 'powerpc-6.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc fixes from Madhavan Srinivasan:

 - Fix for kexec warning due to SMT disable or partial SMT enabled

 - Handle font bitmap pointer with reloc_offset to fix boot crash

 - Fix to enable cpuidle state for Power11

 - Couple of misc fixes

Thanks to Aboorva Devarajan, Aditya Bodkhe, Cedar Maxwell, Christian
Zigotzky, Christophe Leroy, Christophe Leroy (CS GROUP), Finn Thain,
Gopi Krishna Menon, Guenter Roeck, Jan Stancek, Joe Lawrence, Josh
Poimboeuf, Justin M. Forbes, Madadi Vineeth Reddy, Naveen N Rao (AMD),
Nysal Jan K.A., Sachin P Bappalige, Samir M, Sourabh Jain, Srikar
Dronamraju, and Stan Johnson

* tag 'powerpc-6.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
  powerpc/32: Restore disabling of interrupts at interrupt/syscall exit
  powerpc/powernv: Enable cpuidle state detection for POWER11
  powerpc: Add reloc_offset() to font bitmap pointer used for bootx_printf()
  powerpc/tools: drop `-o pipefail` in gcc check scripts
  selftests/powerpc/pmu/: Add check_extended_reg_test to .gitignore
  powerpc/kexec: Enable SMT before waking offline CPUs

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