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-rw-r--r--arch/xtensa/Kconfig5
-rw-r--r--arch/xtensa/boot/lib/Makefile2
-rw-r--r--arch/xtensa/include/asm/dma.h7
-rw-r--r--arch/xtensa/include/asm/io.h3
-rw-r--r--arch/xtensa/include/asm/pci.h3
-rw-r--r--arch/xtensa/include/asm/pgalloc.h2
-rw-r--r--arch/xtensa/include/asm/pgtable.h19
-rw-r--r--arch/xtensa/kernel/entry.S10
-rw-r--r--arch/xtensa/kernel/irq.c7
-rw-r--r--arch/xtensa/kernel/time.c1
-rw-r--r--arch/xtensa/mm/fault.c4
-rw-r--r--arch/xtensa/mm/init.c22
-rw-r--r--arch/xtensa/platforms/iss/network.c63
-rw-r--r--arch/xtensa/platforms/iss/simdisk.c4
-rw-r--r--arch/xtensa/platforms/xtfpga/setup.c1
15 files changed, 73 insertions, 80 deletions
diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig
index 0b0f0172cced..12ac277282ba 100644
--- a/arch/xtensa/Kconfig
+++ b/arch/xtensa/Kconfig
@@ -6,6 +6,8 @@ config XTENSA
select ARCH_HAS_CURRENT_STACK_POINTER
select ARCH_HAS_DEBUG_VM_PGTABLE
select ARCH_HAS_DMA_PREP_COHERENT if MMU
+ select ARCH_HAS_GCOV_PROFILE_ALL
+ select ARCH_HAS_KCOV
select ARCH_HAS_SYNC_DMA_FOR_CPU if MMU
select ARCH_HAS_SYNC_DMA_FOR_DEVICE if MMU
select ARCH_HAS_DMA_SET_UNCACHED if MMU
@@ -33,7 +35,7 @@ config XTENSA
select HAVE_ARCH_KCSAN
select HAVE_ARCH_SECCOMP_FILTER
select HAVE_ARCH_TRACEHOOK
- select HAVE_CONTEXT_TRACKING
+ select HAVE_CONTEXT_TRACKING_USER
select HAVE_DEBUG_KMEMLEAK
select HAVE_DMA_CONTIGUOUS
select HAVE_EXIT_THREAD
@@ -50,7 +52,6 @@ config XTENSA
select MODULES_USE_ELF_RELA
select PERF_USE_VMALLOC
select TRACE_IRQFLAGS_SUPPORT
- select VIRT_TO_BUS
help
Xtensa processors are 32-bit RISC machines designed by Tensilica
primarily for embedded systems. These processors are both
diff --git a/arch/xtensa/boot/lib/Makefile b/arch/xtensa/boot/lib/Makefile
index 162d10af36f3..0378a22a08e3 100644
--- a/arch/xtensa/boot/lib/Makefile
+++ b/arch/xtensa/boot/lib/Makefile
@@ -17,6 +17,8 @@ endif
KASAN_SANITIZE := n
KCSAN_SANITIZE := n
+KCOV_INSTRUMENT := n
+GCOV_PROFILE := n
CFLAGS_REMOVE_inflate.o += -fstack-protector -fstack-protector-strong
CFLAGS_REMOVE_zmem.o += -fstack-protector -fstack-protector-strong
diff --git a/arch/xtensa/include/asm/dma.h b/arch/xtensa/include/asm/dma.h
index bb099a373b5a..172644539032 100644
--- a/arch/xtensa/include/asm/dma.h
+++ b/arch/xtensa/include/asm/dma.h
@@ -52,11 +52,4 @@
extern int request_dma(unsigned int dmanr, const char * device_id);
extern void free_dma(unsigned int dmanr);
-#ifdef CONFIG_PCI
-extern int isa_dma_bridge_buggy;
-#else
-#define isa_dma_bridge_buggy (0)
-#endif
-
-
#endif
diff --git a/arch/xtensa/include/asm/io.h b/arch/xtensa/include/asm/io.h
index 54188e69b988..a5b707e1c0f4 100644
--- a/arch/xtensa/include/asm/io.h
+++ b/arch/xtensa/include/asm/io.h
@@ -63,9 +63,6 @@ static inline void iounmap(volatile void __iomem *addr)
xtensa_iounmap(addr);
}
-#define virt_to_bus virt_to_phys
-#define bus_to_virt phys_to_virt
-
#endif /* CONFIG_MMU */
#include <asm-generic/io.h>
diff --git a/arch/xtensa/include/asm/pci.h b/arch/xtensa/include/asm/pci.h
index 8e2b48a268db..b56de9635b6c 100644
--- a/arch/xtensa/include/asm/pci.h
+++ b/arch/xtensa/include/asm/pci.h
@@ -43,7 +43,4 @@
#define ARCH_GENERIC_PCI_MMAP_RESOURCE 1
#define arch_can_pci_mmap_io() 1
-/* Generic PCI */
-#include <asm-generic/pci.h>
-
#endif /* _XTENSA_PCI_H */
diff --git a/arch/xtensa/include/asm/pgalloc.h b/arch/xtensa/include/asm/pgalloc.h
index eeb2de3a89e5..7fc0f9126dd3 100644
--- a/arch/xtensa/include/asm/pgalloc.h
+++ b/arch/xtensa/include/asm/pgalloc.h
@@ -29,7 +29,7 @@
static inline pgd_t*
pgd_alloc(struct mm_struct *mm)
{
- return (pgd_t*) __get_free_pages(GFP_KERNEL | __GFP_ZERO, PGD_ORDER);
+ return (pgd_t*) __get_free_page(GFP_KERNEL | __GFP_ZERO);
}
static inline void ptes_clear(pte_t *ptep)
diff --git a/arch/xtensa/include/asm/pgtable.h b/arch/xtensa/include/asm/pgtable.h
index 0a91376131c5..54f577c13afa 100644
--- a/arch/xtensa/include/asm/pgtable.h
+++ b/arch/xtensa/include/asm/pgtable.h
@@ -57,7 +57,6 @@
#define PTRS_PER_PTE 1024
#define PTRS_PER_PTE_SHIFT 10
#define PTRS_PER_PGD 1024
-#define PGD_ORDER 0
#define USER_PTRS_PER_PGD (TASK_SIZE/PGDIR_SIZE)
#define FIRST_USER_PGD_NR (FIRST_USER_ADDRESS >> PGDIR_SHIFT)
@@ -200,24 +199,6 @@
* What follows is the closest we can get by reasonable means..
* See linux/mm/mmap.c for protection_map[] array that uses these definitions.
*/
-#define __P000 PAGE_NONE /* private --- */
-#define __P001 PAGE_READONLY /* private --r */
-#define __P010 PAGE_COPY /* private -w- */
-#define __P011 PAGE_COPY /* private -wr */
-#define __P100 PAGE_READONLY_EXEC /* private x-- */
-#define __P101 PAGE_READONLY_EXEC /* private x-r */
-#define __P110 PAGE_COPY_EXEC /* private xw- */
-#define __P111 PAGE_COPY_EXEC /* private xwr */
-
-#define __S000 PAGE_NONE /* shared --- */
-#define __S001 PAGE_READONLY /* shared --r */
-#define __S010 PAGE_SHARED /* shared -w- */
-#define __S011 PAGE_SHARED /* shared -wr */
-#define __S100 PAGE_READONLY_EXEC /* shared x-- */
-#define __S101 PAGE_READONLY_EXEC /* shared x-r */
-#define __S110 PAGE_SHARED_EXEC /* shared xw- */
-#define __S111 PAGE_SHARED_EXEC /* shared xwr */
-
#ifndef __ASSEMBLY__
#define pte_ERROR(e) \
diff --git a/arch/xtensa/kernel/entry.S b/arch/xtensa/kernel/entry.S
index e3eae648ba2e..272fff587907 100644
--- a/arch/xtensa/kernel/entry.S
+++ b/arch/xtensa/kernel/entry.S
@@ -455,10 +455,10 @@ KABI_W or a3, a3, a2
abi_call trace_hardirqs_off
1:
#endif
-#ifdef CONFIG_CONTEXT_TRACKING
+#ifdef CONFIG_CONTEXT_TRACKING_USER
l32i abi_tmp0, a1, PT_PS
bbci.l abi_tmp0, PS_UM_BIT, 1f
- abi_call context_tracking_user_exit
+ abi_call user_exit_callable
1:
#endif
@@ -544,8 +544,8 @@ common_exception_return:
j .Lrestore_state
.Lexit_tif_loop_user:
-#ifdef CONFIG_CONTEXT_TRACKING
- abi_call context_tracking_user_enter
+#ifdef CONFIG_CONTEXT_TRACKING_USER
+ abi_call user_enter_callable
#endif
#ifdef CONFIG_HAVE_HW_BREAKPOINT
_bbci.l abi_saved0, TIF_DB_DISABLED, 1f
@@ -2173,7 +2173,7 @@ ENDPROC(ret_from_kernel_thread)
#ifdef CONFIG_HIBERNATION
- .bss
+ .section .bss, "aw"
.align 4
.Lsaved_regs:
#if defined(__XTENSA_WINDOWED_ABI__)
diff --git a/arch/xtensa/kernel/irq.c b/arch/xtensa/kernel/irq.c
index 529fe9245821..42f106004400 100644
--- a/arch/xtensa/kernel/irq.c
+++ b/arch/xtensa/kernel/irq.c
@@ -169,7 +169,7 @@ void migrate_irqs(void)
for_each_active_irq(i) {
struct irq_data *data = irq_get_irq_data(i);
- struct cpumask *mask;
+ const struct cpumask *mask;
unsigned int newcpu;
if (irqd_is_per_cpu(data))
@@ -185,9 +185,10 @@ void migrate_irqs(void)
pr_info_ratelimited("IRQ%u no longer affine to CPU%u\n",
i, cpu);
- cpumask_setall(mask);
+ irq_set_affinity(i, cpu_all_mask);
+ } else {
+ irq_set_affinity(i, mask);
}
- irq_set_affinity(i, mask);
}
}
#endif /* CONFIG_HOTPLUG_CPU */
diff --git a/arch/xtensa/kernel/time.c b/arch/xtensa/kernel/time.c
index e8ceb1528608..16b8a6273772 100644
--- a/arch/xtensa/kernel/time.c
+++ b/arch/xtensa/kernel/time.c
@@ -154,6 +154,7 @@ static void __init calibrate_ccount(void)
cpu = of_find_compatible_node(NULL, NULL, "cdns,xtensa-cpu");
if (cpu) {
clk = of_clk_get(cpu, 0);
+ of_node_put(cpu);
if (!IS_ERR(clk)) {
ccount_freq = clk_get_rate(clk);
return;
diff --git a/arch/xtensa/mm/fault.c b/arch/xtensa/mm/fault.c
index 16f0a5ff5799..8c781b05c0bd 100644
--- a/arch/xtensa/mm/fault.c
+++ b/arch/xtensa/mm/fault.c
@@ -172,6 +172,10 @@ good_area:
return;
}
+ /* The fault is fully completed (including releasing mmap lock) */
+ if (fault & VM_FAULT_COMPLETED)
+ return;
+
if (unlikely(fault & VM_FAULT_ERROR)) {
if (fault & VM_FAULT_OOM)
goto out_of_memory;
diff --git a/arch/xtensa/mm/init.c b/arch/xtensa/mm/init.c
index 6a32b2cf2718..b2587a1a7c46 100644
--- a/arch/xtensa/mm/init.c
+++ b/arch/xtensa/mm/init.c
@@ -216,3 +216,25 @@ static int __init parse_memmap_opt(char *str)
return 0;
}
early_param("memmap", parse_memmap_opt);
+
+#ifdef CONFIG_MMU
+static const pgprot_t protection_map[16] = {
+ [VM_NONE] = PAGE_NONE,
+ [VM_READ] = PAGE_READONLY,
+ [VM_WRITE] = PAGE_COPY,
+ [VM_WRITE | VM_READ] = PAGE_COPY,
+ [VM_EXEC] = PAGE_READONLY_EXEC,
+ [VM_EXEC | VM_READ] = PAGE_READONLY_EXEC,
+ [VM_EXEC | VM_WRITE] = PAGE_COPY_EXEC,
+ [VM_EXEC | VM_WRITE | VM_READ] = PAGE_COPY_EXEC,
+ [VM_SHARED] = PAGE_NONE,
+ [VM_SHARED | VM_READ] = PAGE_READONLY,
+ [VM_SHARED | VM_WRITE] = PAGE_SHARED,
+ [VM_SHARED | VM_WRITE | VM_READ] = PAGE_SHARED,
+ [VM_SHARED | VM_EXEC] = PAGE_READONLY_EXEC,
+ [VM_SHARED | VM_EXEC | VM_READ] = PAGE_READONLY_EXEC,
+ [VM_SHARED | VM_EXEC | VM_WRITE] = PAGE_SHARED_EXEC,
+ [VM_SHARED | VM_EXEC | VM_WRITE | VM_READ] = PAGE_SHARED_EXEC
+};
+DECLARE_VM_GET_PAGE_PROT
+#endif
diff --git a/arch/xtensa/platforms/iss/network.c b/arch/xtensa/platforms/iss/network.c
index fd84d4891758..9ac46ab3a296 100644
--- a/arch/xtensa/platforms/iss/network.c
+++ b/arch/xtensa/platforms/iss/network.c
@@ -37,10 +37,6 @@
#define ETH_HEADER_OTHER 14
#define ISS_NET_TIMER_VALUE (HZ / 10)
-
-static DEFINE_SPINLOCK(devices_lock);
-static LIST_HEAD(devices);
-
/* ------------------------------------------------------------------------- */
/* We currently only support the TUNTAP transport protocol. */
@@ -70,8 +66,6 @@ struct iss_net_ops {
/* This structure contains out private information for the driver. */
struct iss_net_private {
- struct list_head device_list;
-
spinlock_t lock;
struct net_device *dev;
struct platform_device pdev;
@@ -472,23 +466,30 @@ static const struct net_device_ops iss_netdev_ops = {
.ndo_set_rx_mode = iss_net_set_multicast_list,
};
-static int iss_net_configure(int index, char *init)
+static void iss_net_pdev_release(struct device *dev)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ struct iss_net_private *lp =
+ container_of(pdev, struct iss_net_private, pdev);
+
+ free_netdev(lp->dev);
+}
+
+static void iss_net_configure(int index, char *init)
{
struct net_device *dev;
struct iss_net_private *lp;
- int err;
dev = alloc_etherdev(sizeof(*lp));
if (dev == NULL) {
pr_err("eth_configure: failed to allocate device\n");
- return 1;
+ return;
}
/* Initialize private element. */
lp = netdev_priv(dev);
*lp = (struct iss_net_private) {
- .device_list = LIST_HEAD_INIT(lp->device_list),
.dev = dev,
.index = index,
};
@@ -509,7 +510,7 @@ static int iss_net_configure(int index, char *init)
if (!tuntap_probe(lp, index, init)) {
pr_err("%s: invalid arguments. Skipping device!\n",
dev->name);
- goto errout;
+ goto err_free_netdev;
}
pr_info("Netdevice %d (%pM)\n", index, dev->dev_addr);
@@ -517,17 +518,16 @@ static int iss_net_configure(int index, char *init)
/* sysfs register */
if (!driver_registered) {
- platform_driver_register(&iss_net_driver);
+ if (platform_driver_register(&iss_net_driver))
+ goto err_free_netdev;
driver_registered = 1;
}
- spin_lock(&devices_lock);
- list_add(&lp->device_list, &devices);
- spin_unlock(&devices_lock);
-
lp->pdev.id = index;
lp->pdev.name = DRIVER_NAME;
- platform_device_register(&lp->pdev);
+ lp->pdev.dev.release = iss_net_pdev_release;
+ if (platform_device_register(&lp->pdev))
+ goto err_free_netdev;
SET_NETDEV_DEV(dev, &lp->pdev.dev);
dev->netdev_ops = &iss_netdev_ops;
@@ -536,23 +536,20 @@ static int iss_net_configure(int index, char *init)
dev->irq = -1;
rtnl_lock();
- err = register_netdevice(dev);
- rtnl_unlock();
-
- if (err) {
+ if (register_netdevice(dev)) {
+ rtnl_unlock();
pr_err("%s: error registering net device!\n", dev->name);
- /* XXX: should we call ->remove() here? */
- free_netdev(dev);
- return 1;
+ platform_device_unregister(&lp->pdev);
+ return;
}
+ rtnl_unlock();
timer_setup(&lp->tl, iss_net_user_timer_expire, 0);
- return 0;
+ return;
-errout:
- /* FIXME: unregister; free, etc.. */
- return -EIO;
+err_free_netdev:
+ free_netdev(dev);
}
/* ------------------------------------------------------------------------- */
@@ -574,7 +571,7 @@ struct iss_net_init {
static int __init iss_net_setup(char *str)
{
- struct iss_net_private *device = NULL;
+ struct iss_net_init *device = NULL;
struct iss_net_init *new;
struct list_head *ele;
char *end;
@@ -595,16 +592,12 @@ static int __init iss_net_setup(char *str)
}
str = end;
- spin_lock(&devices_lock);
-
- list_for_each(ele, &devices) {
- device = list_entry(ele, struct iss_net_private, device_list);
+ list_for_each(ele, &eth_cmd_line) {
+ device = list_entry(ele, struct iss_net_init, list);
if (device->index == n)
break;
}
- spin_unlock(&devices_lock);
-
if (device && device->index == n) {
pr_err("Device %u already configured\n", n);
return 1;
diff --git a/arch/xtensa/platforms/iss/simdisk.c b/arch/xtensa/platforms/iss/simdisk.c
index 4255b92fa3eb..f50caaa1c249 100644
--- a/arch/xtensa/platforms/iss/simdisk.c
+++ b/arch/xtensa/platforms/iss/simdisk.c
@@ -290,7 +290,7 @@ static int __init simdisk_setup(struct simdisk *dev, int which,
return 0;
out_cleanup_disk:
- blk_cleanup_disk(dev->gd);
+ put_disk(dev->gd);
out:
return err;
}
@@ -344,7 +344,7 @@ static void simdisk_teardown(struct simdisk *dev, int which,
simdisk_detach(dev);
if (dev->gd) {
del_gendisk(dev->gd);
- blk_cleanup_disk(dev->gd);
+ put_disk(dev->gd);
}
remove_proc_entry(tmp, procdir);
}
diff --git a/arch/xtensa/platforms/xtfpga/setup.c b/arch/xtensa/platforms/xtfpga/setup.c
index 538e6748e85a..c79c1d09ea86 100644
--- a/arch/xtensa/platforms/xtfpga/setup.c
+++ b/arch/xtensa/platforms/xtfpga/setup.c
@@ -133,6 +133,7 @@ static int __init machine_setup(void)
if ((eth = of_find_compatible_node(eth, NULL, "opencores,ethoc")))
update_local_mac(eth);
+ of_node_put(eth);
return 0;
}
arch_initcall(machine_setup);
generated by cgit v1.2.3 (git 2.39.0) at 2024-09-17 23:31:39 +0300