Merge tag 'parisc-for-6.5-rc1' of git://git.kernel.org/pub/scm/linux/…

…kernel/git/deller/parisc-linux

Pull parisc updates from Helge Deller:

 - Add missing cacheflush() syscall

 - Fix STI console on 64-bit-only machines

 - Move kernel debug options to Kconfig.debug

 - Lots of warning fixes in arch/parisc/ and drivers/parisc/ when
   compiled with W=1

 - Enable some more graphics drivers in refreshed defconfigs

* tag 'parisc-for-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux: (29 commits)
  parisc: Refresh defconfigs
  parisc: irq: Add irq-related function declarations
  parisc: Move init function declarations into header file
  parisc: dino: Make dino_init() returning void
  parisc: lba_pci: Mark two variables __maybe_unused
  parisc: unaligned: Include header file to avoid missing prototype warnings
  parisc: signal: Mark do_notify_resume() and sys_rt_sigreturn() asmlinkage
  parisc: unwind: Mark start and stop variables __maybe_unused
  parisc: init: Drop unused variable end_paddr
  parisc: traps: Mark functions static
  parisc: processor: Fix kdoc for init_cpu_profiler()
  parisc: sys_parisc: parisc_personality() is called from asm code
  parisc: ccio-dma: Fix kdoc and compiler warnings
  parisc: pdc_stable: Fix kdoc and compiler warnings
  parisc: pci-dma: Make pcxl_alloc_range() static
  parisc: Mark image_size __maybe_unused in perf_write()
  parisc: module: Mark symindex __maybe_unused
  parisc: pdc_chassis: Fix kdoc warnings
  parisc: firmware: Fix kdoc warnings
  parisc: drivers: Fix kdoc warnings
  ...

arch/parisc/Kconfig

@@ -304,16 +304,6 @@ config IRQSTACKS
 	  for handling hard and soft interrupts.  This can help avoid
 	  overflowing the process kernel stacks.
 
-config TLB_PTLOCK
-	bool "Use page table locks in TLB fault handler"
-	depends on SMP
-	default n
-	help
-	  Select this option to enable page table locking in the TLB
-	  fault handler. This ensures that page table entries are
-	  updated consistently on SMP machines at the expense of some
-	  loss in performance.
-
 config HOTPLUG_CPU
 	bool
 	default y if SMP
@@ -346,7 +336,7 @@ config NR_CPUS
 	int "Maximum number of CPUs (2-32)"
 	range 2 32
 	depends on SMP
-	default "4" if 64BIT
+	default "8" if 64BIT
 	default "16"
 
 config KEXEC

arch/parisc/Kconfig.debug

@@ -10,3 +10,14 @@ config LIGHTWEIGHT_SPINLOCK_CHECK
 	  spinlock debugging you should choose the DEBUG_SPINLOCK option
 	  which will detect unitialized spinlocks too.
 	  If unsure say Y here.
+
+config TLB_PTLOCK
+	bool "Use page table locks in TLB fault handler"
+	depends on SMP
+	default n
+	help
+	  Select this option to enable page table locking in the TLB
+	  fault handler. This ensures that page table entries are
+	  updated consistently on SMP machines at the expense of some
+	  loss in performance.
+

arch/parisc/configs/generic-32bit_defconfig

@@ -82,7 +82,6 @@ CONFIG_TUN=m
 # CONFIG_NET_VENDOR_AMD is not set
 # CONFIG_NET_VENDOR_ATHEROS is not set
 # CONFIG_NET_VENDOR_BROADCOM is not set
-# CONFIG_NET_VENDOR_BROCADE is not set
 # CONFIG_NET_VENDOR_CHELSIO is not set
 # CONFIG_NET_VENDOR_CISCO is not set
 CONFIG_NET_TULIP=y
@@ -97,6 +96,7 @@ CONFIG_LASI_82596=y
 # CONFIG_NET_VENDOR_NVIDIA is not set
 # CONFIG_NET_VENDOR_OKI is not set
 # CONFIG_NET_VENDOR_QLOGIC is not set
+# CONFIG_NET_VENDOR_BROCADE is not set
 # CONFIG_NET_VENDOR_RDC is not set
 # CONFIG_NET_VENDOR_REALTEK is not set
 # CONFIG_NET_VENDOR_SEEQ is not set
@@ -129,17 +129,53 @@ CONFIG_PRINTER=m
 CONFIG_PPDEV=m
 # CONFIG_HW_RANDOM is not set
 CONFIG_I2C=y
-# CONFIG_HWMON is not set
+CONFIG_HWMON=m
+CONFIG_DRM=m
+CONFIG_DRM_DP_CEC=y
+# CONFIG_DRM_I2C_CH7006 is not set
+# CONFIG_DRM_I2C_SIL164 is not set
+CONFIG_DRM_RADEON=m
+CONFIG_DRM_NOUVEAU=m
+# CONFIG_DRM_NOUVEAU_BACKLIGHT is not set
+CONFIG_DRM_VGEM=m
+CONFIG_DRM_UDL=m
+CONFIG_DRM_MGAG200=m
 CONFIG_FB=y
 CONFIG_FB_FOREIGN_ENDIAN=y
-CONFIG_FB_MODE_HELPERS=y
+CONFIG_FB_PM2=m
+CONFIG_FB_PM2_FIFO_DISCONNECT=y
+CONFIG_FB_NVIDIA=m
+CONFIG_FB_NVIDIA_I2C=y
+# CONFIG_FB_NVIDIA_BACKLIGHT is not set
+CONFIG_FB_RIVA=m
+CONFIG_FB_RIVA_I2C=y
+# CONFIG_FB_RIVA_BACKLIGHT is not set
 CONFIG_FB_MATROX=m
+CONFIG_FB_MATROX_MILLENIUM=y
+CONFIG_FB_MATROX_MYSTIQUE=y
 CONFIG_FB_MATROX_G=y
+CONFIG_FB_MATROX_I2C=m
+CONFIG_FB_MATROX_MAVEN=m
+CONFIG_FB_ATY128=m
+# CONFIG_FB_ATY128_BACKLIGHT is not set
+CONFIG_FB_ATY=m
+CONFIG_FB_ATY_CT=y
+CONFIG_FB_ATY_GX=y
+# CONFIG_FB_ATY_BACKLIGHT is not set
+CONFIG_FB_S3=m
+CONFIG_FB_SAVAGE=m
+CONFIG_FB_SAVAGE_I2C=y
+CONFIG_FB_SAVAGE_ACCEL=y
+CONFIG_FB_SIS=m
+CONFIG_FB_SIS_300=y
+CONFIG_FB_SIS_315=y
 CONFIG_FB_VOODOO1=m
+CONFIG_FB_TRIDENT=m
+CONFIG_FB_SMSCUFX=m
+CONFIG_FB_UDL=m
 CONFIG_DUMMY_CONSOLE_COLUMNS=128
 CONFIG_DUMMY_CONSOLE_ROWS=48
 CONFIG_FRAMEBUFFER_CONSOLE=y
-CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY=y
 CONFIG_LOGO=y
 # CONFIG_LOGO_LINUX_MONO is not set
 # CONFIG_LOGO_LINUX_VGA16 is not set
@@ -216,17 +252,17 @@ CONFIG_CIFS_XATTR=y
 CONFIG_CIFS_POSIX=y
 # CONFIG_CIFS_DEBUG is not set
 CONFIG_CRYPTO_TEST=m
-CONFIG_CRYPTO_HMAC=y
-CONFIG_CRYPTO_MD5=y
-CONFIG_CRYPTO_MICHAEL_MIC=m
-CONFIG_CRYPTO_SHA1=y
-CONFIG_CRYPTO_WP512=m
 CONFIG_CRYPTO_BLOWFISH=m
 CONFIG_CRYPTO_CAST5=m
 CONFIG_CRYPTO_CAST6=m
 CONFIG_CRYPTO_DES=y
 CONFIG_CRYPTO_SERPENT=m
 CONFIG_CRYPTO_TWOFISH=m
+CONFIG_CRYPTO_HMAC=y
+CONFIG_CRYPTO_MD5=y
+CONFIG_CRYPTO_MICHAEL_MIC=m
+CONFIG_CRYPTO_SHA1=y
+CONFIG_CRYPTO_WP512=m
 CONFIG_CRYPTO_DEFLATE=y
 CONFIG_CRC_CCITT=m
 CONFIG_CRC_T10DIF=y

arch/parisc/configs/generic-64bit_defconfig

@@ -20,9 +20,6 @@ CONFIG_USER_NS=y
 CONFIG_RELAY=y
 CONFIG_BLK_DEV_INITRD=y
 CONFIG_CC_OPTIMIZE_FOR_SIZE=y
-# CONFIG_COMPAT_BRK is not set
-CONFIG_PA8X00=y
-CONFIG_64BIT=y
 CONFIG_SMP=y
 CONFIG_HPPB=y
 CONFIG_IOMMU_CCIO=y
@@ -37,6 +34,7 @@ CONFIG_MODULE_FORCE_UNLOAD=y
 CONFIG_MODVERSIONS=y
 CONFIG_BLK_DEV_INTEGRITY=y
 CONFIG_BINFMT_MISC=m
+# CONFIG_COMPAT_BRK is not set
 # CONFIG_COMPACTION is not set
 CONFIG_MEMORY_FAILURE=y
 CONFIG_NET=y
@@ -103,7 +101,6 @@ CONFIG_TUN=y
 # CONFIG_NET_VENDOR_AMD is not set
 # CONFIG_NET_VENDOR_ATHEROS is not set
 # CONFIG_NET_VENDOR_BROADCOM is not set
-# CONFIG_NET_VENDOR_BROCADE is not set
 # CONFIG_NET_VENDOR_CHELSIO is not set
 # CONFIG_NET_VENDOR_CISCO is not set
 CONFIG_NET_TULIP=y
@@ -121,6 +118,7 @@ CONFIG_E1000=y
 # CONFIG_NET_VENDOR_OKI is not set
 CONFIG_QLA3XXX=m
 CONFIG_QLCNIC=m
+# CONFIG_NET_VENDOR_BROCADE is not set
 # CONFIG_NET_VENDOR_RDC is not set
 # CONFIG_NET_VENDOR_REALTEK is not set
 # CONFIG_NET_VENDOR_SEEQ is not set
@@ -186,7 +184,6 @@ CONFIG_WATCHDOG=y
 CONFIG_SOFT_WATCHDOG=m
 CONFIG_SSB=m
 CONFIG_SSB_DRIVER_PCICORE=y
-CONFIG_HTC_PASIC3=m
 CONFIG_LPC_SCH=m
 CONFIG_MFD_SM501=m
 CONFIG_REGULATOR=y
@@ -196,14 +193,46 @@ CONFIG_MEDIA_SUPPORT=m
 CONFIG_AGP=y
 CONFIG_AGP_PARISC=y
 CONFIG_DRM=y
+# CONFIG_DRM_I2C_CH7006 is not set
+# CONFIG_DRM_I2C_SIL164 is not set
 CONFIG_DRM_RADEON=y
+CONFIG_DRM_NOUVEAU=m
+# CONFIG_DRM_NOUVEAU_BACKLIGHT is not set
+CONFIG_DRM_MGAG200=m
 CONFIG_FB=y
-CONFIG_FB_MATROX=y
+CONFIG_FB_PM2=m
+CONFIG_FB_PM2_FIFO_DISCONNECT=y
+CONFIG_FB_NVIDIA=m
+CONFIG_FB_NVIDIA_I2C=y
+# CONFIG_FB_NVIDIA_BACKLIGHT is not set
+CONFIG_FB_RIVA=m
+CONFIG_FB_RIVA_I2C=y
+# CONFIG_FB_RIVA_BACKLIGHT is not set
+CONFIG_FB_MATROX=m
+CONFIG_FB_MATROX_MILLENIUM=y
 CONFIG_FB_MATROX_MYSTIQUE=y
 CONFIG_FB_MATROX_G=y
-CONFIG_FB_MATROX_I2C=y
-CONFIG_FB_MATROX_MAVEN=y
+CONFIG_FB_MATROX_I2C=m
+CONFIG_FB_MATROX_MAVEN=m
 CONFIG_FB_RADEON=y
+# CONFIG_FB_RADEON_BACKLIGHT is not set
+CONFIG_FB_ATY128=m
+# CONFIG_FB_ATY128_BACKLIGHT is not set
+CONFIG_FB_ATY=m
+CONFIG_FB_ATY_CT=y
+CONFIG_FB_ATY_GX=y
+# CONFIG_FB_ATY_BACKLIGHT is not set
+CONFIG_FB_S3=m
+CONFIG_FB_SAVAGE=m
+CONFIG_FB_SAVAGE_I2C=y
+CONFIG_FB_SAVAGE_ACCEL=y
+CONFIG_FB_SIS=m
+CONFIG_FB_SIS_300=y
+CONFIG_FB_SIS_315=y
+CONFIG_FB_VOODOO1=m
+CONFIG_FB_TRIDENT=m
+CONFIG_FB_SMSCUFX=m
+CONFIG_FB_UDL=m
 CONFIG_LOGO=y
 # CONFIG_LOGO_LINUX_CLUT224 is not set
 CONFIG_HIDRAW=y
@@ -257,12 +286,12 @@ CONFIG_NLS_ISO8859_1=m
 CONFIG_NLS_ISO8859_2=m
 CONFIG_NLS_UTF8=m
 CONFIG_CRYPTO_MANAGER=y
+CONFIG_CRYPTO_FCRYPT=m
 CONFIG_CRYPTO_ECB=m
 CONFIG_CRYPTO_PCBC=m
 CONFIG_CRYPTO_MD4=m
 CONFIG_CRYPTO_MD5=y
 CONFIG_CRYPTO_MICHAEL_MIC=m
-CONFIG_CRYPTO_FCRYPT=m
 CONFIG_CRYPTO_DEFLATE=m
 # CONFIG_CRYPTO_HW is not set
 CONFIG_CRC_CCITT=m

arch/parisc/include/asm/irqflags.h

@@ -31,6 +31,11 @@ static inline unsigned long arch_local_irq_save(void)
 
 static inline void arch_local_irq_restore(unsigned long flags)
 {
+	/* warn if IRQs are on although they should be off */
+	if (IS_ENABLED(CONFIG_LIGHTWEIGHT_SPINLOCK_CHECK))
+		if (arch_local_save_flags() & PSW_I)
+			asm volatile("break 6,6\n"); /*  SPINLOCK_BREAK_INSN */
+
 	asm volatile("mtsm %0" : : "r" (flags) : "memory");
 }
 

arch/parisc/include/asm/pdc.h

@@ -88,8 +88,8 @@ int pdc_iodc_print(const unsigned char *str, unsigned count);
 
 void pdc_emergency_unlock(void);
 int pdc_sti_call(unsigned long func, unsigned long flags,
-                 unsigned long inptr, unsigned long outputr,
-                 unsigned long glob_cfg);
+		unsigned long inptr, unsigned long outputr,
+		unsigned long glob_cfg, int do_call64);
 
 int __pdc_cpu_rendezvous(void);
 void pdc_cpu_rendezvous_lock(void);

arch/parisc/include/asm/processor.h

@@ -11,6 +11,7 @@
 
 #ifndef __ASSEMBLY__
 #include <linux/threads.h>
+#include <linux/irqreturn.h>
 
 #include <asm/assembly.h>
 #include <asm/prefetch.h>
@@ -291,6 +292,40 @@ extern void __noreturn toc_intr(struct pt_regs *regs);
 extern void toc_handler(void);
 extern unsigned int toc_handler_size;
 extern unsigned int toc_handler_csum;
+extern void do_cpu_irq_mask(struct pt_regs *);
+extern irqreturn_t timer_interrupt(int, void *);
+extern irqreturn_t ipi_interrupt(int, void *);
+
+/* called from assembly code: */
+extern void start_parisc(void);
+extern void smp_callin(unsigned long);
+extern void sys_rt_sigreturn(struct pt_regs *, int);
+extern void do_notify_resume(struct pt_regs *, long);
+extern long do_syscall_trace_enter(struct pt_regs *);
+extern void do_syscall_trace_exit(struct pt_regs *);
+
+/* CPU startup and info */
+struct seq_file;
+extern void early_trap_init(void);
+extern void collect_boot_cpu_data(void);
+extern int show_cpuinfo (struct seq_file *m, void *v);
+
+/* driver code in driver/parisc */
+extern void gsc_init(void);
+extern void processor_init(void);
+extern void ccio_init(void);
+extern void hppb_init(void);
+extern void dino_init(void);
+extern void iosapic_init(void);
+extern void lba_init(void);
+extern void sba_init(void);
+extern void parisc_eisa_init(void);
+struct parisc_device;
+struct resource;
+extern void sba_distributed_lmmio(struct parisc_device *, struct resource *);
+extern void sba_directed_lmmio(struct parisc_device *, struct resource *);
+extern void lba_set_iregs(struct parisc_device *lba, u32 ibase, u32 imask);
+extern void ccio_cujo20_fixup(struct parisc_device *dev, u32 iovp);
 
 #endif /* __ASSEMBLY__ */
 

arch/parisc/include/uapi/asm/cachectl.h

@@ -0,0 +1,12 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#ifndef _ASM_CACHECTL
+#define _ASM_CACHECTL
+
+/*
+ * Options for cacheflush system call
+ */
+#define ICACHE	(1<<0)		/* flush instruction cache	  */
+#define DCACHE	(1<<1)		/* writeback and flush data cache */
+#define BCACHE	(ICACHE|DCACHE) /* flush both caches		  */
+
+#endif	/* _ASM_CACHECTL */

arch/parisc/kernel/audit.c

@@ -40,11 +40,6 @@ int audit_classify_arch(int arch)
 
 int audit_classify_syscall(int abi, unsigned syscall)
 {
-#ifdef CONFIG_COMPAT
-	extern int parisc32_classify_syscall(unsigned);
-	if (abi == AUDIT_ARCH_PARISC)
-		return parisc32_classify_syscall(syscall);
-#endif
 	switch (syscall) {
 	case __NR_open:
 		return AUDITSC_OPEN;
@@ -55,6 +50,10 @@ int audit_classify_syscall(int abi, unsigned syscall)
 	case __NR_openat2:
 		return AUDITSC_OPENAT2;
 	default:
+#ifdef CONFIG_COMPAT
+		if (abi == AUDIT_ARCH_PARISC)
+			return AUDITSC_COMPAT;
+#endif
 		return AUDITSC_NATIVE;
 	}
 }