6 files changed, 20 insertions, 29 deletions

diff --git a/arch/parisc/include/asm/cache.h b/arch/parisc/include/asm/cache.h
index 47f11c707b65..3d0e17bcc8e9 100644
--- a/arch/parisc/include/asm/cache.h
+++ b/arch/parisc/include/asm/cache.h
@@ -7,20 +7,12 @@
 
 
 /*
- * PA 2.0 processors have 64-byte cachelines; PA 1.1 processors have
- * 32-byte cachelines.  The default configuration is not for SMP anyway,
- * so if you're building for SMP, you should select the appropriate
- * processor type.  There is a potential livelock danger when running
- * a machine with this value set too small, but it's more probable you'll
- * just ruin performance.
+ * PA 2.0 processors have 64 and 128-byte L2 cachelines; PA 1.1 processors
+ * have 32-byte cachelines.  The L1 length appears to be 16 bytes but this
+ * is not clearly documented.
  */
-#ifdef CONFIG_PA20
-#define L1_CACHE_BYTES 64
-#define L1_CACHE_SHIFT 6
-#else
-#define L1_CACHE_BYTES 32
-#define L1_CACHE_SHIFT 5
-#endif
+#define L1_CACHE_BYTES 16
+#define L1_CACHE_SHIFT 4
 
 #ifndef __ASSEMBLY__
 
diff --git a/arch/parisc/include/uapi/asm/unistd.h b/arch/parisc/include/uapi/asm/unistd.h
index 2e639d7604f6..33170384d3ac 100644
--- a/arch/parisc/include/uapi/asm/unistd.h
+++ b/arch/parisc/include/uapi/asm/unistd.h
@@ -358,8 +358,10 @@
 #define __NR_memfd_create       (__NR_Linux + 340)
 #define __NR_bpf                (__NR_Linux + 341)
 #define __NR_execveat           (__NR_Linux + 342)
+#define __NR_membarrier         (__NR_Linux + 343)
+#define __NR_userfaultfd        (__NR_Linux + 344)
 
-#define __NR_Linux_syscalls     (__NR_execveat + 1)
+#define __NR_Linux_syscalls     (__NR_userfaultfd + 1)
 
 
 #define __IGNORE_select         /* newselect */
diff --git a/arch/parisc/kernel/syscall_table.S b/arch/parisc/kernel/syscall_table.S
index 8eefb12d1d33..78c3ef8c348d 100644
--- a/arch/parisc/kernel/syscall_table.S
+++ b/arch/parisc/kernel/syscall_table.S
@@ -438,6 +438,8 @@
         ENTRY_SAME(memfd_create)        /* 340 */
         ENTRY_SAME(bpf)
         ENTRY_COMP(execveat)
+        ENTRY_SAME(membarrier)
+        ENTRY_SAME(userfaultfd)
 
 
 .ifne (. - 90b) - (__NR_Linux_syscalls * (91b - 90b))
diff --git a/drivers/parisc/lba_pci.c b/drivers/parisc/lba_pci.c
index a32c1f6c252c..42844c2bc065 100644
--- a/drivers/parisc/lba_pci.c
+++ b/drivers/parisc/lba_pci.c
@@ -624,6 +624,10 @@ extend_lmmio_len(unsigned long start, unsigned long end, unsigned long lba_len)
 {
         struct resource *tmp;
 
+        /* exit if not a C8000 */
+        if (boot_cpu_data.cpu_type < mako)
+                return end;
+
         pr_debug("LMMIO mismatch: PAT length = 0x%lx, MASK register = 0x%lx\n",
                 end - start, lba_len);
 
@@ -631,10 +635,6 @@ extend_lmmio_len(unsigned long start, unsigned long end, unsigned long lba_len)
 
         pr_debug("LBA: lmmio_space [0x%lx-0x%lx] - original\n", start, end);
 
-        if (boot_cpu_data.cpu_type < mako) {
-                pr_info("LBA: Not a C8000 system - not extending LMMIO range.\n");
-                return end;
-        }
 
         end += lba_len;
         if (end < start) /* fix overflow */
@@ -1557,9 +1557,9 @@ lba_driver_probe(struct parisc_device *dev)
                 pci_add_resource_offset(&resources, &lba_dev->hba.lmmio_space,
                                         lba_dev->hba.lmmio_space_offset);
         if (lba_dev->hba.gmmio_space.flags) {
+                /* Not registering GMMIO space - according to docs it's not
+                 * even used on HP-UX. */
                 /* pci_add_resource(&resources, &lba_dev->hba.gmmio_space); */
-                pr_warn("LBA: Not registering GMMIO space %pR\n",
-                        &lba_dev->hba.gmmio_space);
         }
 
         pci_add_resource(&resources, &lba_dev->hba.bus_num);
diff --git a/drivers/tty/serial/mux.c b/drivers/tty/serial/mux.c
index dd26511ad875..8a4be4b73723 100644
--- a/drivers/tty/serial/mux.c
+++ b/drivers/tty/serial/mux.c
@@ -412,19 +412,14 @@ static int mux_console_setup(struct console *co, char *options)
         return 0;
 }
 
-struct tty_driver *mux_console_device(struct console *co, int *index)
-{
-        *index = co->index;
-        return mux_driver.tty_driver;
-}
-
 static struct console mux_console = {
         .name =         "ttyB",
         .write =        mux_console_write,
-        .device =       mux_console_device,
+        .device =       uart_console_device,
         .setup =        mux_console_setup,
         .flags =        CON_ENABLED | CON_PRINTBUFFER,
         .index =        0,
+        .data =         &mux_driver,
 };
 
 #define MUX_CONSOLE     &mux_console
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 4ac653b7b8ac..a9e3bf42d287 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -718,8 +718,8 @@ struct xps_map {
         u16 queues[0];
 };
 #define XPS_MAP_SIZE(_num) (sizeof(struct xps_map) + ((_num) * sizeof(u16)))
-#define XPS_MIN_MAP_ALLOC ((L1_CACHE_BYTES - sizeof(struct xps_map))    \
-    / sizeof(u16))
+#define XPS_MIN_MAP_ALLOC ((L1_CACHE_ALIGN(offsetof(struct xps_map, queues[1])) \
+       - sizeof(struct xps_map)) / sizeof(u16))
 
 /*
  * This structure holds all XPS maps for device.  Maps are indexed by CPU.