8 files changed, 46 insertions, 11 deletions

diff --git a/arch/arm/boot/dts/imx6sx-sdb.dts b/arch/arm/boot/dts/imx6sx-sdb.dts
index 1e6e5cc1c14c..8c1febd7e3f2 100644
--- a/arch/arm/boot/dts/imx6sx-sdb.dts
+++ b/arch/arm/boot/dts/imx6sx-sdb.dts
@@ -159,13 +159,28 @@
         pinctrl-0 = <&pinctrl_enet1>;
         phy-supply = <&reg_enet_3v3>;
         phy-mode = "rgmii";
+        phy-handle = <&ethphy1>;
         status = "okay";
+
+        mdio {
+                #address-cells = <1>;
+                #size-cells = <0>;
+
+                ethphy1: ethernet-phy@0 {
+                        reg = <0>;
+                };
+
+                ethphy2: ethernet-phy@1 {
+                        reg = <1>;
+                };
+        };
 };
 
 &fec2 {
         pinctrl-names = "default";
         pinctrl-0 = <&pinctrl_enet2>;
         phy-mode = "rgmii";
+        phy-handle = <&ethphy2>;
         status = "okay";
 };
 
diff --git a/arch/arm/boot/dts/vf610-twr.dts b/arch/arm/boot/dts/vf610-twr.dts
index a0f762159cb2..f2b64b1b00fa 100644
--- a/arch/arm/boot/dts/vf610-twr.dts
+++ b/arch/arm/boot/dts/vf610-twr.dts
@@ -129,13 +129,28 @@
 
 &fec0 {
         phy-mode = "rmii";
+        phy-handle = <&ethphy0>;
         pinctrl-names = "default";
         pinctrl-0 = <&pinctrl_fec0>;
         status = "okay";
+
+        mdio {
+                #address-cells = <1>;
+                #size-cells = <0>;
+
+                ethphy0: ethernet-phy@0 {
+                        reg = <0>;
+                };
+
+                ethphy1: ethernet-phy@1 {
+                        reg = <1>;
+                };
+        };
 };
 
 &fec1 {
         phy-mode = "rmii";
+        phy-handle = <&ethphy1>;
         pinctrl-names = "default";
         pinctrl-0 = <&pinctrl_fec1>;
         status = "okay";
diff --git a/arch/arm/include/uapi/asm/unistd.h b/arch/arm/include/uapi/asm/unistd.h
index 705bb7620673..0c3f5a0dafd3 100644
--- a/arch/arm/include/uapi/asm/unistd.h
+++ b/arch/arm/include/uapi/asm/unistd.h
@@ -413,6 +413,7 @@
 #define __NR_getrandom                  (__NR_SYSCALL_BASE+384)
 #define __NR_memfd_create               (__NR_SYSCALL_BASE+385)
 #define __NR_bpf                        (__NR_SYSCALL_BASE+386)
+#define __NR_execveat                   (__NR_SYSCALL_BASE+387)
 
 /*
  * The following SWIs are ARM private.
diff --git a/arch/arm/kernel/calls.S b/arch/arm/kernel/calls.S
index e51833f8cc38..05745eb838c5 100644
--- a/arch/arm/kernel/calls.S
+++ b/arch/arm/kernel/calls.S
@@ -396,6 +396,7 @@
                 CALL(sys_getrandom)
 /* 385 */       CALL(sys_memfd_create)
                 CALL(sys_bpf)
+                CALL(sys_execveat)
 #ifndef syscalls_counted
 .equ syscalls_padding, ((NR_syscalls + 3) & ~3) - NR_syscalls
 #define syscalls_counted
diff --git a/arch/arm/kernel/perf_regs.c b/arch/arm/kernel/perf_regs.c
index 6e4379c67cbc..592dda3f21ff 100644
--- a/arch/arm/kernel/perf_regs.c
+++ b/arch/arm/kernel/perf_regs.c
@@ -28,3 +28,11 @@ u64 perf_reg_abi(struct task_struct *task)
 {
         return PERF_SAMPLE_REGS_ABI_32;
 }
+
+void perf_get_regs_user(struct perf_regs *regs_user,
+                        struct pt_regs *regs,
+                        struct pt_regs *regs_user_copy)
+{
+        regs_user->regs = task_pt_regs(current);
+        regs_user->abi = perf_reg_abi(current);
+}
diff --git a/arch/arm/mm/dump.c b/arch/arm/mm/dump.c
index 59424937e52b..9fe8e241335c 100644
--- a/arch/arm/mm/dump.c
+++ b/arch/arm/mm/dump.c
@@ -220,9 +220,6 @@ static void note_page(struct pg_state *st, unsigned long addr, unsigned level, u
         static const char units[] = "KMGTPE";
         u64 prot = val & pg_level[level].mask;
 
-        if (addr < USER_PGTABLES_CEILING)
-                return;
-
         if (!st->level) {
                 st->level = level;
                 st->current_prot = prot;
@@ -308,15 +305,13 @@ static void walk_pgd(struct seq_file *m)
         pgd_t *pgd = swapper_pg_dir;
         struct pg_state st;
         unsigned long addr;
-        unsigned i, pgdoff = USER_PGTABLES_CEILING / PGDIR_SIZE;
+        unsigned i;
 
         memset(&st, 0, sizeof(st));
         st.seq = m;
         st.marker = address_markers;
 
-        pgd += pgdoff;
-
-        for (i = pgdoff; i < PTRS_PER_PGD; i++, pgd++) {
+        for (i = 0; i < PTRS_PER_PGD; i++, pgd++) {
                 addr = i * PGDIR_SIZE;
                 if (!pgd_none(*pgd)) {
                         walk_pud(&st, pgd, addr);
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 98ad9c79ea0e..2495c8cb47ba 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -658,8 +658,8 @@ static struct section_perm ro_perms[] = {
                 .start  = (unsigned long)_stext,
                 .end    = (unsigned long)__init_begin,
 #ifdef CONFIG_ARM_LPAE
-                .mask   = ~PMD_SECT_RDONLY,
-                .prot   = PMD_SECT_RDONLY,
+                .mask   = ~L_PMD_SECT_RDONLY,
+                .prot   = L_PMD_SECT_RDONLY,
 #else
                 .mask   = ~(PMD_SECT_APX | PMD_SECT_AP_WRITE),
                 .prot   = PMD_SECT_APX | PMD_SECT_AP_WRITE,
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
index cda7c40999b6..4e6ef896c619 100644
--- a/arch/arm/mm/mmu.c
+++ b/arch/arm/mm/mmu.c
@@ -1329,8 +1329,8 @@ static void __init kmap_init(void)
 static void __init map_lowmem(void)
 {
         struct memblock_region *reg;
-        unsigned long kernel_x_start = round_down(__pa(_stext), SECTION_SIZE);
-        unsigned long kernel_x_end = round_up(__pa(__init_end), SECTION_SIZE);
+        phys_addr_t kernel_x_start = round_down(__pa(_stext), SECTION_SIZE);
+        phys_addr_t kernel_x_end = round_up(__pa(__init_end), SECTION_SIZE);
 
         /* Map all the lowmem memory banks. */
         for_each_memblock(memory, reg) {