Merge tag 'm68k-for-v6.15-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k

torvalds · torvalds · commit 27bd3ce4038b · 2025-03-25T14:16:38.000-07:00
Pull m68k updates from Geert Uytterhoeven:

  - misc fixes and improvements

  - defconfig updates

* tag 'm68k-for-v6.15-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k:
  m68k: defconfig: Update defconfigs for v6.14-rc1
  m68k: setup: Remove size argument when calling strscpy()
  m68k: sun3: Fix DEBUG_MMU_EMU build
  m68k: sun3: Use str_read_write() helper in mmu_emu_handle_fault()
diff --git a/arch/m68k/configs/amiga_defconfig b/arch/m68k/configs/amiga_defconfig
@@ -299,7 +299,6 @@ CONFIG_NET_IFE=m
 CONFIG_DEVTMPFS=y
 CONFIG_DEVTMPFS_MOUNT=y
 CONFIG_TEST_ASYNC_DRIVER_PROBE=m
-CONFIG_DM_KUNIT_TEST=m
 CONFIG_CONNECTOR=m
 CONFIG_PARPORT=m
 CONFIG_PARPORT_AMIGA=m
@@ -336,6 +335,7 @@ CONFIG_ATA=y
 CONFIG_PATA_GAYLE=y
 CONFIG_PATA_BUDDHA=y
 CONFIG_MD=y
+CONFIG_MD_LINEAR=m
 CONFIG_BLK_DEV_DM=m
 CONFIG_DM_UNSTRIPED=m
 CONFIG_DM_CRYPT=m
diff --git a/arch/m68k/configs/apollo_defconfig b/arch/m68k/configs/apollo_defconfig
@@ -295,7 +295,6 @@ CONFIG_NET_IFE=m
 CONFIG_DEVTMPFS=y
 CONFIG_DEVTMPFS_MOUNT=y
 CONFIG_TEST_ASYNC_DRIVER_PROBE=m
-CONFIG_DM_KUNIT_TEST=m
 CONFIG_CONNECTOR=m
 CONFIG_ZRAM=m
 CONFIG_BLK_DEV_LOOP=y
@@ -316,6 +315,7 @@ CONFIG_SCSI_SAS_ATTRS=m
 CONFIG_ISCSI_TCP=m
 CONFIG_ISCSI_BOOT_SYSFS=m
 CONFIG_MD=y
+CONFIG_MD_LINEAR=m
 CONFIG_BLK_DEV_DM=m
 CONFIG_DM_UNSTRIPED=m
 CONFIG_DM_CRYPT=m
diff --git a/arch/m68k/configs/atari_defconfig b/arch/m68k/configs/atari_defconfig
@@ -302,7 +302,6 @@ CONFIG_NET_IFE=m
 CONFIG_DEVTMPFS=y
 CONFIG_DEVTMPFS_MOUNT=y
 CONFIG_TEST_ASYNC_DRIVER_PROBE=m
-CONFIG_DM_KUNIT_TEST=m
 CONFIG_CONNECTOR=m
 CONFIG_PARPORT=m
 CONFIG_PARPORT_ATARI=m
@@ -331,6 +330,7 @@ CONFIG_ATA=y
 # CONFIG_ATA_BMDMA is not set
 CONFIG_PATA_FALCON=y
 CONFIG_MD=y
+CONFIG_MD_LINEAR=m
 CONFIG_BLK_DEV_DM=m
 CONFIG_DM_UNSTRIPED=m
 CONFIG_DM_CRYPT=m
diff --git a/arch/m68k/configs/bvme6000_defconfig b/arch/m68k/configs/bvme6000_defconfig
@@ -292,7 +292,6 @@ CONFIG_NET_IFE=m
 CONFIG_DEVTMPFS=y
 CONFIG_DEVTMPFS_MOUNT=y
 CONFIG_TEST_ASYNC_DRIVER_PROBE=m
-CONFIG_DM_KUNIT_TEST=m
 CONFIG_CONNECTOR=m
 CONFIG_ZRAM=m
 CONFIG_BLK_DEV_LOOP=y
@@ -314,6 +313,7 @@ CONFIG_ISCSI_TCP=m
 CONFIG_ISCSI_BOOT_SYSFS=m
 CONFIG_BVME6000_SCSI=y
 CONFIG_MD=y
+CONFIG_MD_LINEAR=m
 CONFIG_BLK_DEV_DM=m
 CONFIG_DM_UNSTRIPED=m
 CONFIG_DM_CRYPT=m
diff --git a/arch/m68k/configs/hp300_defconfig b/arch/m68k/configs/hp300_defconfig
@@ -294,7 +294,6 @@ CONFIG_NET_IFE=m
 CONFIG_DEVTMPFS=y
 CONFIG_DEVTMPFS_MOUNT=y
 CONFIG_TEST_ASYNC_DRIVER_PROBE=m
-CONFIG_DM_KUNIT_TEST=m
 CONFIG_CONNECTOR=m
 CONFIG_ZRAM=m
 CONFIG_BLK_DEV_LOOP=y
@@ -315,6 +314,7 @@ CONFIG_SCSI_SAS_ATTRS=m
 CONFIG_ISCSI_TCP=m
 CONFIG_ISCSI_BOOT_SYSFS=m
 CONFIG_MD=y
+CONFIG_MD_LINEAR=m
 CONFIG_BLK_DEV_DM=m
 CONFIG_DM_UNSTRIPED=m
 CONFIG_DM_CRYPT=m
diff --git a/arch/m68k/configs/mac_defconfig b/arch/m68k/configs/mac_defconfig
@@ -293,7 +293,6 @@ CONFIG_NET_IFE=m
 CONFIG_DEVTMPFS=y
 CONFIG_DEVTMPFS_MOUNT=y
 CONFIG_TEST_ASYNC_DRIVER_PROBE=m
-CONFIG_DM_KUNIT_TEST=m
 CONFIG_CONNECTOR=m
 CONFIG_BLK_DEV_SWIM=m
 CONFIG_ZRAM=m
@@ -320,6 +319,7 @@ CONFIG_ATA=y
 # CONFIG_ATA_BMDMA is not set
 CONFIG_PATA_PLATFORM=y
 CONFIG_MD=y
+CONFIG_MD_LINEAR=m
 CONFIG_BLK_DEV_DM=m
 CONFIG_DM_UNSTRIPED=m
 CONFIG_DM_CRYPT=m
diff --git a/arch/m68k/configs/multi_defconfig b/arch/m68k/configs/multi_defconfig
@@ -313,7 +313,6 @@ CONFIG_NET_IFE=m
 CONFIG_DEVTMPFS=y
 CONFIG_DEVTMPFS_MOUNT=y
 CONFIG_TEST_ASYNC_DRIVER_PROBE=m
-CONFIG_DM_KUNIT_TEST=m
 CONFIG_CONNECTOR=m
 CONFIG_PARPORT=m
 CONFIG_PARPORT_PC=m
@@ -363,6 +362,7 @@ CONFIG_PATA_GAYLE=y
 CONFIG_PATA_BUDDHA=y
 CONFIG_PATA_PLATFORM=y
 CONFIG_MD=y
+CONFIG_MD_LINEAR=m
 CONFIG_BLK_DEV_DM=m
 CONFIG_DM_UNSTRIPED=m
 CONFIG_DM_CRYPT=m
diff --git a/arch/m68k/configs/mvme147_defconfig b/arch/m68k/configs/mvme147_defconfig
@@ -291,7 +291,6 @@ CONFIG_NET_IFE=m
 CONFIG_DEVTMPFS=y
 CONFIG_DEVTMPFS_MOUNT=y
 CONFIG_TEST_ASYNC_DRIVER_PROBE=m
-CONFIG_DM_KUNIT_TEST=m
 CONFIG_CONNECTOR=m
 CONFIG_ZRAM=m
 CONFIG_BLK_DEV_LOOP=y
@@ -313,6 +312,7 @@ CONFIG_ISCSI_TCP=m
 CONFIG_ISCSI_BOOT_SYSFS=m
 CONFIG_MVME147_SCSI=y
 CONFIG_MD=y
+CONFIG_MD_LINEAR=m
 CONFIG_BLK_DEV_DM=m
 CONFIG_DM_UNSTRIPED=m
 CONFIG_DM_CRYPT=m
diff --git a/arch/m68k/configs/mvme16x_defconfig b/arch/m68k/configs/mvme16x_defconfig
@@ -292,7 +292,6 @@ CONFIG_NET_IFE=m
 CONFIG_DEVTMPFS=y
 CONFIG_DEVTMPFS_MOUNT=y
 CONFIG_TEST_ASYNC_DRIVER_PROBE=m
-CONFIG_DM_KUNIT_TEST=m
 CONFIG_CONNECTOR=m
 CONFIG_ZRAM=m
 CONFIG_BLK_DEV_LOOP=y
@@ -314,6 +313,7 @@ CONFIG_ISCSI_TCP=m
 CONFIG_ISCSI_BOOT_SYSFS=m
 CONFIG_MVME16x_SCSI=y
 CONFIG_MD=y
+CONFIG_MD_LINEAR=m
 CONFIG_BLK_DEV_DM=m
 CONFIG_DM_UNSTRIPED=m
 CONFIG_DM_CRYPT=m
diff --git a/arch/m68k/configs/q40_defconfig b/arch/m68k/configs/q40_defconfig
@@ -293,7 +293,6 @@ CONFIG_NET_IFE=m
 CONFIG_DEVTMPFS=y
 CONFIG_DEVTMPFS_MOUNT=y
 CONFIG_TEST_ASYNC_DRIVER_PROBE=m
-CONFIG_DM_KUNIT_TEST=m
 CONFIG_CONNECTOR=m
 CONFIG_PARPORT=m
 CONFIG_PARPORT_PC=m
@@ -320,6 +319,7 @@ CONFIG_ATA=y
 # CONFIG_ATA_BMDMA is not set
 CONFIG_PATA_FALCON=y
 CONFIG_MD=y
+CONFIG_MD_LINEAR=m
 CONFIG_BLK_DEV_DM=m
 CONFIG_DM_UNSTRIPED=m
 CONFIG_DM_CRYPT=m
diff --git a/arch/m68k/configs/sun3_defconfig b/arch/m68k/configs/sun3_defconfig
@@ -288,7 +288,6 @@ CONFIG_NET_IFE=m
 CONFIG_DEVTMPFS=y
 CONFIG_DEVTMPFS_MOUNT=y
 CONFIG_TEST_ASYNC_DRIVER_PROBE=m
-CONFIG_DM_KUNIT_TEST=m
 CONFIG_CONNECTOR=m
 CONFIG_ZRAM=m
 CONFIG_BLK_DEV_LOOP=y
@@ -310,6 +309,7 @@ CONFIG_ISCSI_TCP=m
 CONFIG_ISCSI_BOOT_SYSFS=m
 CONFIG_SUN3_SCSI=y
 CONFIG_MD=y
+CONFIG_MD_LINEAR=m
 CONFIG_BLK_DEV_DM=m
 CONFIG_DM_UNSTRIPED=m
 CONFIG_DM_CRYPT=m
diff --git a/arch/m68k/configs/sun3x_defconfig b/arch/m68k/configs/sun3x_defconfig
@@ -289,7 +289,6 @@ CONFIG_NET_IFE=m
 CONFIG_DEVTMPFS=y
 CONFIG_DEVTMPFS_MOUNT=y
 CONFIG_TEST_ASYNC_DRIVER_PROBE=m
-CONFIG_DM_KUNIT_TEST=m
 CONFIG_CONNECTOR=m
 CONFIG_ZRAM=m
 CONFIG_BLK_DEV_LOOP=y
@@ -311,6 +310,7 @@ CONFIG_ISCSI_TCP=m
 CONFIG_ISCSI_BOOT_SYSFS=m
 CONFIG_SUN3X_ESP=y
 CONFIG_MD=y
+CONFIG_MD_LINEAR=m
 CONFIG_BLK_DEV_DM=m
 CONFIG_DM_UNSTRIPED=m
 CONFIG_DM_CRYPT=m
diff --git a/arch/m68k/include/asm/processor.h b/arch/m68k/include/asm/processor.h
@@ -95,10 +95,24 @@ static inline void set_fc(unsigned long val)
 			      "movec %0,%/dfc\n\t"
 			      : /* no outputs */ : "r" (val) : "memory");
 }
+
+static inline unsigned long get_fc(void)
+{
+	unsigned long val;
+
+	__asm__ ("movec %/dfc,%0" : "=r" (val) : );
+
+	return val;
+}
 #else
 static inline void set_fc(unsigned long val)
 {
 }
+
+static inline unsigned long get_fc(void)
+{
+	return USER_DATA;
+}
 #endif /* CONFIG_CPU_HAS_ADDRESS_SPACES */
 
 struct thread_struct {
diff --git a/arch/m68k/kernel/setup_mm.c b/arch/m68k/kernel/setup_mm.c
@@ -147,8 +147,7 @@ static void __init m68k_parse_bootinfo(const struct bi_record *record)
 			break;
 
 		case BI_COMMAND_LINE:
-			strscpy(m68k_command_line, data,
-				sizeof(m68k_command_line));
+			strscpy(m68k_command_line, data);
 			break;
 
 		case BI_RNG_SEED: {
diff --git a/arch/m68k/sun3/mmu_emu.c b/arch/m68k/sun3/mmu_emu.c
@@ -17,6 +17,7 @@
 #include <linux/bitops.h>
 #include <linux/module.h>
 #include <linux/sched/mm.h>
+#include <linux/string_choices.h>
 
 #include <asm/setup.h>
 #include <asm/traps.h>
@@ -370,8 +371,8 @@ int mmu_emu_handle_fault (unsigned long vaddr, int read_flag, int kernel_fault)
 	}
 
 #ifdef DEBUG_MMU_EMU
-	pr_info("%s: vaddr=%lx type=%s crp=%p\n", __func__, vaddr,
-		read_flag ? "read" : "write", crp);
+	pr_info("%s: vaddr=%lx type=%s crp=%px\n", __func__, vaddr,
+		str_read_write(read_flag), crp);
 #endif
 
 	segment = (vaddr >> SUN3_PMEG_SIZE_BITS) & 0x7FF;
@@ -417,7 +418,7 @@ int mmu_emu_handle_fault (unsigned long vaddr, int read_flag, int kernel_fault)
 		pte_val (*pte) |= SUN3_PAGE_ACCESSED;
 
 #ifdef DEBUG_MMU_EMU
-	pr_info("seg:%ld crp:%p ->", get_fs().seg, crp);
+	pr_info("seg:%ld crp:%px ->", get_fc(), crp);
 	print_pte_vaddr (vaddr);
 	pr_cont("\n");
 #endif
