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-rw-r--r--arch/xtensa/Kconfig6
-rw-r--r--arch/xtensa/boot/dts/virt.dts2
-rw-r--r--arch/xtensa/configs/audio_kc705_defconfig1
-rw-r--r--arch/xtensa/configs/cadence_csp_defconfig1
-rw-r--r--arch/xtensa/configs/generic_kc705_defconfig1
-rw-r--r--arch/xtensa/configs/iss_defconfig1
-rw-r--r--arch/xtensa/configs/nommu_kc705_defconfig1
-rw-r--r--arch/xtensa/configs/smp_lx200_defconfig1
-rw-r--r--arch/xtensa/configs/virt_defconfig1
-rw-r--r--arch/xtensa/include/asm/bitops.h2
-rw-r--r--arch/xtensa/include/asm/io.h12
-rw-r--r--arch/xtensa/include/asm/platform.h27
-rw-r--r--arch/xtensa/include/asm/uaccess.h94
-rw-r--r--arch/xtensa/kernel/Makefile3
-rw-r--r--arch/xtensa/kernel/pci-dma.c129
-rw-r--r--arch/xtensa/kernel/vmlinux.lds.S8
-rw-r--r--arch/xtensa/kernel/xtensa_ksyms.c7
17 files changed, 82 insertions, 215 deletions
diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig
index a8e7beb6b7b5..c95a34702242 100644
--- a/arch/xtensa/Kconfig
+++ b/arch/xtensa/Kconfig
@@ -3,8 +3,10 @@ config XTENSA
def_bool y
select ARCH_32BIT_OFF_T
select ARCH_HAS_BINFMT_FLAT if !MMU
- select ARCH_HAS_SYNC_DMA_FOR_CPU
- select ARCH_HAS_SYNC_DMA_FOR_DEVICE
+ select ARCH_HAS_DMA_PREP_COHERENT if MMU
+ select ARCH_HAS_SYNC_DMA_FOR_CPU if MMU
+ select ARCH_HAS_SYNC_DMA_FOR_DEVICE if MMU
+ select ARCH_HAS_UNCACHED_SEGMENT if MMU
select ARCH_USE_QUEUED_RWLOCKS
select ARCH_USE_QUEUED_SPINLOCKS
select ARCH_WANT_FRAME_POINTERS
diff --git a/arch/xtensa/boot/dts/virt.dts b/arch/xtensa/boot/dts/virt.dts
index a9dcd87b6eb1..611b98a02a65 100644
--- a/arch/xtensa/boot/dts/virt.dts
+++ b/arch/xtensa/boot/dts/virt.dts
@@ -56,7 +56,7 @@
reg = <0xf0100000 0x03f00000>;
// BUS_ADDRESS(3) CPU_PHYSICAL(1) SIZE(2)
- ranges = <0x01000000 0x0 0xf0000000 0xf0000000 0x0 0x00010000>,
+ ranges = <0x01000000 0x0 0x00000000 0xf0000000 0x0 0x00010000>,
<0x02000000 0x0 0xf4000000 0xf4000000 0x0 0x08000000>;
// PCI_DEVICE(3) INT#(1) CONTROLLER(PHANDLE) CONTROLLER_DATA(2)
diff --git a/arch/xtensa/configs/audio_kc705_defconfig b/arch/xtensa/configs/audio_kc705_defconfig
index f378e56f9ce6..b6367af71d65 100644
--- a/arch/xtensa/configs/audio_kc705_defconfig
+++ b/arch/xtensa/configs/audio_kc705_defconfig
@@ -16,7 +16,6 @@ CONFIG_SCHED_AUTOGROUP=y
CONFIG_RELAY=y
CONFIG_BLK_DEV_INITRD=y
CONFIG_EXPERT=y
-CONFIG_SYSCTL_SYSCALL=y
CONFIG_KALLSYMS_ALL=y
CONFIG_PROFILING=y
CONFIG_OPROFILE=y
diff --git a/arch/xtensa/configs/cadence_csp_defconfig b/arch/xtensa/configs/cadence_csp_defconfig
index 62f32a902568..f4eef6decd2a 100644
--- a/arch/xtensa/configs/cadence_csp_defconfig
+++ b/arch/xtensa/configs/cadence_csp_defconfig
@@ -21,7 +21,6 @@ CONFIG_INITRAMFS_SOURCE="$$KERNEL_INITRAMFS_SOURCE"
# CONFIG_RD_LZO is not set
# CONFIG_RD_LZ4 is not set
CONFIG_CC_OPTIMIZE_FOR_SIZE=y
-CONFIG_SYSCTL_SYSCALL=y
CONFIG_EMBEDDED=y
CONFIG_PROFILING=y
CONFIG_MODULES=y
diff --git a/arch/xtensa/configs/generic_kc705_defconfig b/arch/xtensa/configs/generic_kc705_defconfig
index 8bebe07f1060..c925165cf760 100644
--- a/arch/xtensa/configs/generic_kc705_defconfig
+++ b/arch/xtensa/configs/generic_kc705_defconfig
@@ -16,7 +16,6 @@ CONFIG_SCHED_AUTOGROUP=y
CONFIG_RELAY=y
CONFIG_BLK_DEV_INITRD=y
CONFIG_EXPERT=y
-CONFIG_SYSCTL_SYSCALL=y
CONFIG_KALLSYMS_ALL=y
CONFIG_PROFILING=y
CONFIG_OPROFILE=y
diff --git a/arch/xtensa/configs/iss_defconfig b/arch/xtensa/configs/iss_defconfig
index 4bb5b76d9524..d1c01742baf4 100644
--- a/arch/xtensa/configs/iss_defconfig
+++ b/arch/xtensa/configs/iss_defconfig
@@ -1,7 +1,6 @@
CONFIG_SYSVIPC=y
CONFIG_LOG_BUF_SHIFT=14
CONFIG_EXPERT=y
-CONFIG_SYSCTL_SYSCALL=y
# CONFIG_IOSCHED_DEADLINE is not set
# CONFIG_IOSCHED_CFQ is not set
# CONFIG_PCI is not set
diff --git a/arch/xtensa/configs/nommu_kc705_defconfig b/arch/xtensa/configs/nommu_kc705_defconfig
index 933ab2adf434..380e366730d5 100644
--- a/arch/xtensa/configs/nommu_kc705_defconfig
+++ b/arch/xtensa/configs/nommu_kc705_defconfig
@@ -21,7 +21,6 @@ CONFIG_BLK_DEV_INITRD=y
# CONFIG_RD_LZO is not set
# CONFIG_RD_LZ4 is not set
CONFIG_EXPERT=y
-CONFIG_SYSCTL_SYSCALL=y
CONFIG_KALLSYMS_ALL=y
CONFIG_PERF_EVENTS=y
CONFIG_MODULES=y
diff --git a/arch/xtensa/configs/smp_lx200_defconfig b/arch/xtensa/configs/smp_lx200_defconfig
index e29c5b179a5b..d46b58f34098 100644
--- a/arch/xtensa/configs/smp_lx200_defconfig
+++ b/arch/xtensa/configs/smp_lx200_defconfig
@@ -16,7 +16,6 @@ CONFIG_SCHED_AUTOGROUP=y
CONFIG_RELAY=y
CONFIG_BLK_DEV_INITRD=y
CONFIG_EXPERT=y
-CONFIG_SYSCTL_SYSCALL=y
CONFIG_KALLSYMS_ALL=y
CONFIG_PROFILING=y
CONFIG_OPROFILE=y
diff --git a/arch/xtensa/configs/virt_defconfig b/arch/xtensa/configs/virt_defconfig
index bfc45a138e72..4fddd8512350 100644
--- a/arch/xtensa/configs/virt_defconfig
+++ b/arch/xtensa/configs/virt_defconfig
@@ -15,7 +15,6 @@ CONFIG_SCHED_AUTOGROUP=y
CONFIG_RELAY=y
CONFIG_BLK_DEV_INITRD=y
CONFIG_EXPERT=y
-CONFIG_SYSCTL_SYSCALL=y
CONFIG_KALLSYMS_ALL=y
CONFIG_PERF_EVENTS=y
CONFIG_XTENSA_VARIANT_DC233C=y
diff --git a/arch/xtensa/include/asm/bitops.h b/arch/xtensa/include/asm/bitops.h
index aeb15f4c755b..be8b2be5a98b 100644
--- a/arch/xtensa/include/asm/bitops.h
+++ b/arch/xtensa/include/asm/bitops.h
@@ -148,7 +148,7 @@ static inline void change_bit(unsigned int bit, volatile unsigned long *p)
" getex %0\n"
" beqz %0, 1b\n"
: "=&a" (tmp)
- : "a" (~mask), "a" (p)
+ : "a" (mask), "a" (p)
: "memory");
}
diff --git a/arch/xtensa/include/asm/io.h b/arch/xtensa/include/asm/io.h
index 988e08530a5c..54188e69b988 100644
--- a/arch/xtensa/include/asm/io.h
+++ b/arch/xtensa/include/asm/io.h
@@ -32,8 +32,7 @@ void xtensa_iounmap(volatile void __iomem *addr);
/*
* Return the virtual address for the specified bus memory.
*/
-static inline void __iomem *ioremap_nocache(unsigned long offset,
- unsigned long size)
+static inline void __iomem *ioremap(unsigned long offset, unsigned long size)
{
if (offset >= XCHAL_KIO_PADDR
&& offset - XCHAL_KIO_PADDR < XCHAL_KIO_SIZE)
@@ -52,15 +51,6 @@ static inline void __iomem *ioremap_cache(unsigned long offset,
return xtensa_ioremap_cache(offset, size);
}
#define ioremap_cache ioremap_cache
-#define ioremap_nocache ioremap_nocache
-
-#define ioremap_wc ioremap_nocache
-#define ioremap_wt ioremap_nocache
-
-static inline void __iomem *ioremap(unsigned long offset, unsigned long size)
-{
- return ioremap_nocache(offset, size);
-}
static inline void iounmap(volatile void __iomem *addr)
{
diff --git a/arch/xtensa/include/asm/platform.h b/arch/xtensa/include/asm/platform.h
index 913826dfa838..f2c48522c5a1 100644
--- a/arch/xtensa/include/asm/platform.h
+++ b/arch/xtensa/include/asm/platform.h
@@ -65,31 +65,4 @@ extern void platform_calibrate_ccount (void);
*/
void cpu_reset(void) __attribute__((noreturn));
-/*
- * Memory caching is platform-dependent in noMMU xtensa configurations.
- * The following set of functions should be implemented in platform code
- * in order to enable coherent DMA memory operations when CONFIG_MMU is not
- * enabled. Default implementations do nothing and issue a warning.
- */
-
-/*
- * Check whether p points to a cached memory.
- */
-bool platform_vaddr_cached(const void *p);
-
-/*
- * Check whether p points to an uncached memory.
- */
-bool platform_vaddr_uncached(const void *p);
-
-/*
- * Return pointer to an uncached view of the cached sddress p.
- */
-void *platform_vaddr_to_uncached(void *p);
-
-/*
- * Return pointer to a cached view of the uncached sddress p.
- */
-void *platform_vaddr_to_cached(void *p);
-
#endif /* _XTENSA_PLATFORM_H */
diff --git a/arch/xtensa/include/asm/uaccess.h b/arch/xtensa/include/asm/uaccess.h
index 6792928ba84a..3f80386f1883 100644
--- a/arch/xtensa/include/asm/uaccess.h
+++ b/arch/xtensa/include/asm/uaccess.h
@@ -100,7 +100,7 @@ do { \
case 4: __put_user_asm(x, ptr, retval, 4, "s32i", __cb); break; \
case 8: { \
__typeof__(*ptr) __v64 = x; \
- retval = __copy_to_user(ptr, &__v64, 8); \
+ retval = __copy_to_user(ptr, &__v64, 8) ? -EFAULT : 0; \
break; \
} \
default: __put_user_bad(); \
@@ -132,14 +132,14 @@ do { \
#define __check_align_1 ""
#define __check_align_2 \
- " _bbci.l %3, 0, 1f \n" \
- " movi %0, %4 \n" \
+ " _bbci.l %[addr], 0, 1f \n" \
+ " movi %[err], %[efault] \n" \
" _j 2f \n"
#define __check_align_4 \
- " _bbsi.l %3, 0, 0f \n" \
- " _bbci.l %3, 1, 1f \n" \
- "0: movi %0, %4 \n" \
+ " _bbsi.l %[addr], 0, 0f \n" \
+ " _bbci.l %[addr], 1, 1f \n" \
+ "0: movi %[err], %[efault] \n" \
" _j 2f \n"
@@ -151,40 +151,40 @@ do { \
* WARNING: If you modify this macro at all, verify that the
* __check_align_* macros still work.
*/
-#define __put_user_asm(x, addr, err, align, insn, cb) \
+#define __put_user_asm(x_, addr_, err_, align, insn, cb)\
__asm__ __volatile__( \
__check_align_##align \
- "1: "insn" %2, %3, 0 \n" \
+ "1: "insn" %[x], %[addr], 0 \n" \
"2: \n" \
" .section .fixup,\"ax\" \n" \
" .align 4 \n" \
" .literal_position \n" \
"5: \n" \
- " movi %1, 2b \n" \
- " movi %0, %4 \n" \
- " jx %1 \n" \
+ " movi %[tmp], 2b \n" \
+ " movi %[err], %[efault] \n" \
+ " jx %[tmp] \n" \
" .previous \n" \
" .section __ex_table,\"a\" \n" \
" .long 1b, 5b \n" \
" .previous" \
- :"=r" (err), "=r" (cb) \
- :"r" ((int)(x)), "r" (addr), "i" (-EFAULT), "0" (err))
+ :[err] "+r"(err_), [tmp] "=r"(cb) \
+ :[x] "r"(x_), [addr] "r"(addr_), [efault] "i"(-EFAULT))
#define __get_user_nocheck(x, ptr, size) \
({ \
- long __gu_err, __gu_val; \
- __get_user_size(__gu_val, (ptr), (size), __gu_err); \
- (x) = (__force __typeof__(*(ptr)))__gu_val; \
+ long __gu_err; \
+ __get_user_size((x), (ptr), (size), __gu_err); \
__gu_err; \
})
#define __get_user_check(x, ptr, size) \
({ \
- long __gu_err = -EFAULT, __gu_val = 0; \
+ long __gu_err = -EFAULT; \
const __typeof__(*(ptr)) *__gu_addr = (ptr); \
- if (access_ok(__gu_addr, size)) \
- __get_user_size(__gu_val, __gu_addr, (size), __gu_err); \
- (x) = (__force __typeof__(*(ptr)))__gu_val; \
+ if (access_ok(__gu_addr, size)) \
+ __get_user_size((x), __gu_addr, (size), __gu_err); \
+ else \
+ (x) = 0; \
__gu_err; \
})
@@ -198,8 +198,17 @@ do { \
case 1: __get_user_asm(x, ptr, retval, 1, "l8ui", __cb); break;\
case 2: __get_user_asm(x, ptr, retval, 2, "l16ui", __cb); break;\
case 4: __get_user_asm(x, ptr, retval, 4, "l32i", __cb); break;\
- case 8: retval = __copy_from_user(&x, ptr, 8); break; \
- default: (x) = __get_user_bad(); \
+ case 8: { \
+ u64 __x; \
+ if (unlikely(__copy_from_user(&__x, ptr, 8))) { \
+ retval = -EFAULT; \
+ (x) = 0; \
+ } else { \
+ (x) = *(__force __typeof__((ptr)))&__x; \
+ } \
+ break; \
+ } \
+ default: (x) = 0; __get_user_bad(); \
} \
} while (0)
@@ -208,25 +217,28 @@ do { \
* WARNING: If you modify this macro at all, verify that the
* __check_align_* macros still work.
*/
-#define __get_user_asm(x, addr, err, align, insn, cb) \
-__asm__ __volatile__( \
- __check_align_##align \
- "1: "insn" %2, %3, 0 \n" \
- "2: \n" \
- " .section .fixup,\"ax\" \n" \
- " .align 4 \n" \
- " .literal_position \n" \
- "5: \n" \
- " movi %1, 2b \n" \
- " movi %2, 0 \n" \
- " movi %0, %4 \n" \
- " jx %1 \n" \
- " .previous \n" \
- " .section __ex_table,\"a\" \n" \
- " .long 1b, 5b \n" \
- " .previous" \
- :"=r" (err), "=r" (cb), "=r" (x) \
- :"r" (addr), "i" (-EFAULT), "0" (err))
+#define __get_user_asm(x_, addr_, err_, align, insn, cb) \
+do { \
+ u32 __x = 0; \
+ __asm__ __volatile__( \
+ __check_align_##align \
+ "1: "insn" %[x], %[addr], 0 \n" \
+ "2: \n" \
+ " .section .fixup,\"ax\" \n" \
+ " .align 4 \n" \
+ " .literal_position \n" \
+ "5: \n" \
+ " movi %[tmp], 2b \n" \
+ " movi %[err], %[efault] \n" \
+ " jx %[tmp] \n" \
+ " .previous \n" \
+ " .section __ex_table,\"a\" \n" \
+ " .long 1b, 5b \n" \
+ " .previous" \
+ :[err] "+r"(err_), [tmp] "=r"(cb), [x] "+r"(__x) \
+ :[addr] "r"(addr_), [efault] "i"(-EFAULT)); \
+ (x_) = (__force __typeof__(*(addr_)))__x; \
+} while (0)
/*
diff --git a/arch/xtensa/kernel/Makefile b/arch/xtensa/kernel/Makefile
index 6f629027ac7d..d4082c6a121b 100644
--- a/arch/xtensa/kernel/Makefile
+++ b/arch/xtensa/kernel/Makefile
@@ -5,10 +5,11 @@
extra-y := head.o vmlinux.lds
-obj-y := align.o coprocessor.o entry.o irq.o pci-dma.o platform.o process.o \
+obj-y := align.o coprocessor.o entry.o irq.o platform.o process.o \
ptrace.o setup.o signal.o stacktrace.o syscall.o time.o traps.o \
vectors.o
+obj-$(CONFIG_MMU) += pci-dma.o
obj-$(CONFIG_PCI) += pci.o
obj-$(CONFIG_MODULES) += xtensa_ksyms.o module.o
obj-$(CONFIG_FUNCTION_TRACER) += mcount.o
diff --git a/arch/xtensa/kernel/pci-dma.c b/arch/xtensa/kernel/pci-dma.c
index 154979d62b73..72b6222daa0b 100644
--- a/arch/xtensa/kernel/pci-dma.c
+++ b/arch/xtensa/kernel/pci-dma.c
@@ -44,8 +44,8 @@ static void do_cache_op(phys_addr_t paddr, size_t size,
}
}
-void arch_sync_dma_for_cpu(struct device *dev, phys_addr_t paddr,
- size_t size, enum dma_data_direction dir)
+void arch_sync_dma_for_cpu(phys_addr_t paddr, size_t size,
+ enum dma_data_direction dir)
{
switch (dir) {
case DMA_BIDIRECTIONAL:
@@ -62,8 +62,8 @@ void arch_sync_dma_for_cpu(struct device *dev, phys_addr_t paddr,
}
}
-void arch_sync_dma_for_device(struct device *dev, phys_addr_t paddr,
- size_t size, enum dma_data_direction dir)
+void arch_sync_dma_for_device(phys_addr_t paddr, size_t size,
+ enum dma_data_direction dir)
{
switch (dir) {
case DMA_BIDIRECTIONAL:
@@ -81,122 +81,25 @@ void arch_sync_dma_for_device(struct device *dev, phys_addr_t paddr,
}
}
-#ifdef CONFIG_MMU
-bool platform_vaddr_cached(const void *p)
-{
- unsigned long addr = (unsigned long)p;
-
- return addr >= XCHAL_KSEG_CACHED_VADDR &&
- addr - XCHAL_KSEG_CACHED_VADDR < XCHAL_KSEG_SIZE;
-}
-
-bool platform_vaddr_uncached(const void *p)
-{
- unsigned long addr = (unsigned long)p;
-
- return addr >= XCHAL_KSEG_BYPASS_VADDR &&
- addr - XCHAL_KSEG_BYPASS_VADDR < XCHAL_KSEG_SIZE;
-}
-
-void *platform_vaddr_to_uncached(void *p)
-{
- return p + XCHAL_KSEG_BYPASS_VADDR - XCHAL_KSEG_CACHED_VADDR;
-}
-
-void *platform_vaddr_to_cached(void *p)
-{
- return p + XCHAL_KSEG_CACHED_VADDR - XCHAL_KSEG_BYPASS_VADDR;
-}
-#else
-bool __attribute__((weak)) platform_vaddr_cached(const void *p)
-{
- WARN_ONCE(1, "Default %s implementation is used\n", __func__);
- return true;
-}
-
-bool __attribute__((weak)) platform_vaddr_uncached(const void *p)
-{
- WARN_ONCE(1, "Default %s implementation is used\n", __func__);
- return false;
-}
-
-void __attribute__((weak)) *platform_vaddr_to_uncached(void *p)
+void arch_dma_prep_coherent(struct page *page, size_t size)
{
- WARN_ONCE(1, "Default %s implementation is used\n", __func__);
- return p;
-}
-
-void __attribute__((weak)) *platform_vaddr_to_cached(void *p)
-{
- WARN_ONCE(1, "Default %s implementation is used\n", __func__);
- return p;
+ __invalidate_dcache_range((unsigned long)page_address(page), size);
}
-#endif
/*
- * Note: We assume that the full memory space is always mapped to 'kseg'
- * Otherwise we have to use page attributes (not implemented).
+ * Memory caching is platform-dependent in noMMU xtensa configurations.
+ * The following two functions should be implemented in platform code
+ * in order to enable coherent DMA memory operations when CONFIG_MMU is not
+ * enabled.
*/
-
-void *arch_dma_alloc(struct device *dev, size_t size, dma_addr_t *handle,
- gfp_t flag, unsigned long attrs)
-{
- unsigned long count = PAGE_ALIGN(size) >> PAGE_SHIFT;
- struct page *page = NULL;
-
- /* ignore region speicifiers */
-
- flag &= ~(__GFP_DMA | __GFP_HIGHMEM);
-
- if (dev == NULL || (dev->coherent_dma_mask < 0xffffffff))
- flag |= GFP_DMA;
-
- if (gfpflags_allow_blocking(flag))
- page = dma_alloc_from_contiguous(dev, count, get_order(size),
- flag & __GFP_NOWARN);
-
- if (!page)
- page = alloc_pages(flag | __GFP_ZERO, get_order(size));
-
- if (!page)
- return NULL;
-
- *handle = phys_to_dma(dev, page_to_phys(page));
-
#ifdef CONFIG_MMU
- if (PageHighMem(page)) {
- void *p;
-
- p = dma_common_contiguous_remap(page, size,
- pgprot_noncached(PAGE_KERNEL),
- __builtin_return_address(0));
- if (!p) {
- if (!dma_release_from_contiguous(dev, page, count))
- __free_pages(page, get_order(size));
- }
- return p;
- }
-#endif
- BUG_ON(!platform_vaddr_cached(page_address(page)));
- __invalidate_dcache_range((unsigned long)page_address(page), size);
- return platform_vaddr_to_uncached(page_address(page));
+void *uncached_kernel_address(void *p)
+{
+ return p + XCHAL_KSEG_BYPASS_VADDR - XCHAL_KSEG_CACHED_VADDR;
}
-void arch_dma_free(struct device *dev, size_t size, void *vaddr,
- dma_addr_t dma_handle, unsigned long attrs)
+void *cached_kernel_address(void *p)
{
- unsigned long count = PAGE_ALIGN(size) >> PAGE_SHIFT;
- struct page *page;
-
- if (platform_vaddr_uncached(vaddr)) {
- page = virt_to_page(platform_vaddr_to_cached(vaddr));
- } else {
-#ifdef CONFIG_MMU
- dma_common_free_remap(vaddr, size);
-#endif
- page = pfn_to_page(PHYS_PFN(dma_to_phys(dev, dma_handle)));
- }
-
- if (!dma_release_from_contiguous(dev, page, count))
- __free_pages(page, get_order(size));
+ return p + XCHAL_KSEG_CACHED_VADDR - XCHAL_KSEG_BYPASS_VADDR;
}
+#endif /* CONFIG_MMU */
diff --git a/arch/xtensa/kernel/vmlinux.lds.S b/arch/xtensa/kernel/vmlinux.lds.S
index 943f10639a93..0043d5858f14 100644
--- a/arch/xtensa/kernel/vmlinux.lds.S
+++ b/arch/xtensa/kernel/vmlinux.lds.S
@@ -14,6 +14,8 @@
* Joe Taylor <joe@tensilica.com, joetylr@yahoo.com>
*/
+#define RO_EXCEPTION_TABLE_ALIGN 16
+
#include <asm-generic/vmlinux.lds.h>
#include <asm/page.h>
#include <asm/thread_info.h>
@@ -124,18 +126,16 @@ SECTIONS
. = ALIGN(16);
- RODATA
+ RO_DATA(4096)
/* Relocation table */
.fixup : { *(.fixup) }
- EXCEPTION_TABLE(16)
- NOTES
/* Data section */
_sdata = .;
- RW_DATA_SECTION(XCHAL_ICACHE_LINESIZE, PAGE_SIZE, THREAD_SIZE)
+ RW_DATA(XCHAL_ICACHE_LINESIZE, PAGE_SIZE, THREAD_SIZE)
_edata = .;
/* Initialization code and data: */
diff --git a/arch/xtensa/kernel/xtensa_ksyms.c b/arch/xtensa/kernel/xtensa_ksyms.c
index 04f19de46700..4092555828b1 100644
--- a/arch/xtensa/kernel/xtensa_ksyms.c
+++ b/arch/xtensa/kernel/xtensa_ksyms.c
@@ -119,13 +119,6 @@ EXPORT_SYMBOL(__invalidate_icache_range);
// FIXME EXPORT_SYMBOL(screen_info);
#endif
-EXPORT_SYMBOL(outsb);
-EXPORT_SYMBOL(outsw);
-EXPORT_SYMBOL(outsl);
-EXPORT_SYMBOL(insb);
-EXPORT_SYMBOL(insw);
-EXPORT_SYMBOL(insl);
-
extern long common_exception_return;
EXPORT_SYMBOL(common_exception_return);