From bdca8cc096203b17ad0ac4e19f50578207e054d2 Mon Sep 17 00:00:00 2001 From: Nagarathnam Muthusamy Date: Mon, 19 Jun 2017 13:08:48 -0400 Subject: Adding asm-prototypes.h for genksyms to generate crc This patch adds the prototypes of assembly defined functions to asm-prototypes.h. Some prototypes are directly added as they are not present in any existing header files. Signed-off-by: Nagarathnam Muthusamy Reviewed-by: Babu Moger Signed-off-by: David S. Miller --- arch/sparc/include/asm/asm-prototypes.h | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 arch/sparc/include/asm/asm-prototypes.h (limited to 'arch') diff --git a/arch/sparc/include/asm/asm-prototypes.h b/arch/sparc/include/asm/asm-prototypes.h new file mode 100644 index 000000000000..d381e11c5dbb --- /dev/null +++ b/arch/sparc/include/asm/asm-prototypes.h @@ -0,0 +1,24 @@ +/* + * Copyright (c) 2017 Oracle and/or its affiliates. All rights reserved. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +void *__memscan_zero(void *, size_t); +void *__memscan_generic(void *, int, size_t); +void *__bzero(void *, size_t); +void VISenter(void); /* Dummy prototype to supress warning */ +#undef memcpy +#undef memset +void *memcpy(void *dest, const void *src, size_t n); +void *memset(void *s, int c, size_t n); +typedef int TItype __attribute__((mode(TI))); +TItype __multi3(TItype a, TItype b); -- cgit v1.2.3-59-g8ed1b From d16c0649feb4fe4e814f44803df5a617769c3233 Mon Sep 17 00:00:00 2001 From: Nagarathnam Muthusamy Date: Mon, 19 Jun 2017 13:08:49 -0400 Subject: sed regex in Makefile.build requires line break between exported symbols The following regex in Makefile.build matches only one ___EXPORT_SYMBOL per line. sed 's/.*___EXPORT_SYMBOL[[:space:]]*\([a-zA-Z0-9_]*\)[[:space:]]*,.*/EXPORT_SYMBOL(\1);/' ATOMIC_OPS macro in atomic_64.S expands multiple symbols in same line hence version generation is done only for the last matched symbol. This patch adds new line between the symbol expansions. Signed-off-by: Nagarathnam Muthusamy Reviewed-by: Babu Moger Signed-off-by: David S. Miller --- arch/sparc/lib/atomic_64.S | 44 ++++++++++++++++++++++++++------------------ 1 file changed, 26 insertions(+), 18 deletions(-) (limited to 'arch') diff --git a/arch/sparc/lib/atomic_64.S b/arch/sparc/lib/atomic_64.S index 1c6a1bde5138..ce17c3094ba6 100644 --- a/arch/sparc/lib/atomic_64.S +++ b/arch/sparc/lib/atomic_64.S @@ -62,19 +62,23 @@ ENTRY(atomic_fetch_##op) /* %o0 = increment, %o1 = atomic_ptr */ \ ENDPROC(atomic_fetch_##op); \ EXPORT_SYMBOL(atomic_fetch_##op); -#define ATOMIC_OPS(op) ATOMIC_OP(op) ATOMIC_OP_RETURN(op) ATOMIC_FETCH_OP(op) +ATOMIC_OP(add) +ATOMIC_OP_RETURN(add) +ATOMIC_FETCH_OP(add) -ATOMIC_OPS(add) -ATOMIC_OPS(sub) +ATOMIC_OP(sub) +ATOMIC_OP_RETURN(sub) +ATOMIC_FETCH_OP(sub) -#undef ATOMIC_OPS -#define ATOMIC_OPS(op) ATOMIC_OP(op) ATOMIC_FETCH_OP(op) +ATOMIC_OP(and) +ATOMIC_FETCH_OP(and) -ATOMIC_OPS(and) -ATOMIC_OPS(or) -ATOMIC_OPS(xor) +ATOMIC_OP(or) +ATOMIC_FETCH_OP(or) + +ATOMIC_OP(xor) +ATOMIC_FETCH_OP(xor) -#undef ATOMIC_OPS #undef ATOMIC_FETCH_OP #undef ATOMIC_OP_RETURN #undef ATOMIC_OP @@ -124,19 +128,23 @@ ENTRY(atomic64_fetch_##op) /* %o0 = increment, %o1 = atomic_ptr */ \ ENDPROC(atomic64_fetch_##op); \ EXPORT_SYMBOL(atomic64_fetch_##op); -#define ATOMIC64_OPS(op) ATOMIC64_OP(op) ATOMIC64_OP_RETURN(op) ATOMIC64_FETCH_OP(op) +ATOMIC64_OP(add) +ATOMIC64_OP_RETURN(add) +ATOMIC64_FETCH_OP(add) + +ATOMIC64_OP(sub) +ATOMIC64_OP_RETURN(sub) +ATOMIC64_FETCH_OP(sub) -ATOMIC64_OPS(add) -ATOMIC64_OPS(sub) +ATOMIC64_OP(and) +ATOMIC64_FETCH_OP(and) -#undef ATOMIC64_OPS -#define ATOMIC64_OPS(op) ATOMIC64_OP(op) ATOMIC64_FETCH_OP(op) +ATOMIC64_OP(or) +ATOMIC64_FETCH_OP(or) -ATOMIC64_OPS(and) -ATOMIC64_OPS(or) -ATOMIC64_OPS(xor) +ATOMIC64_OP(xor) +ATOMIC64_FETCH_OP(xor) -#undef ATOMIC64_OPS #undef ATOMIC64_FETCH_OP #undef ATOMIC64_OP_RETURN #undef ATOMIC64_OP -- cgit v1.2.3-59-g8ed1b From f5a651f1d5e524cab345250a783702fb6a3f14d6 Mon Sep 17 00:00:00 2001 From: Nagarathnam Muthusamy Date: Mon, 19 Jun 2017 13:08:50 -0400 Subject: Adding the type of exported symbols Missing symbol type for few functions prevents genksyms from generating symbol versions for those functions. This patch fixes them. Signed-off-by: Nagarathnam Muthusamy Reviewed-by: Babu Moger Signed-off-by: David S. Miller --- arch/sparc/lib/checksum_64.S | 1 + arch/sparc/lib/csum_copy.S | 1 + arch/sparc/lib/memscan_64.S | 2 ++ arch/sparc/lib/memset.S | 1 + 4 files changed, 5 insertions(+) (limited to 'arch') diff --git a/arch/sparc/lib/checksum_64.S b/arch/sparc/lib/checksum_64.S index f6732174fe6b..6cfa521f444d 100644 --- a/arch/sparc/lib/checksum_64.S +++ b/arch/sparc/lib/checksum_64.S @@ -38,6 +38,7 @@ csum_partial_fix_alignment: .align 32 .globl csum_partial + .type csum_partial,#function EXPORT_SYMBOL(csum_partial) csum_partial: /* %o0=buff, %o1=len, %o2=sum */ prefetch [%o0 + 0x000], #n_reads diff --git a/arch/sparc/lib/csum_copy.S b/arch/sparc/lib/csum_copy.S index 0ecbafc30fd0..b1051e77c49a 100644 --- a/arch/sparc/lib/csum_copy.S +++ b/arch/sparc/lib/csum_copy.S @@ -65,6 +65,7 @@ add %o5, %o4, %o4 .globl FUNC_NAME + .type FUNC_NAME,#function EXPORT_SYMBOL(FUNC_NAME) FUNC_NAME: /* %o0=src, %o1=dst, %o2=len, %o3=sum */ LOAD(prefetch, %o0 + 0x000, #n_reads) diff --git a/arch/sparc/lib/memscan_64.S b/arch/sparc/lib/memscan_64.S index daa96f4b03e6..5efee1f4be36 100644 --- a/arch/sparc/lib/memscan_64.S +++ b/arch/sparc/lib/memscan_64.S @@ -14,6 +14,8 @@ .text .align 32 .globl __memscan_zero, __memscan_generic + .type __memscan_zero,#function + .type __memscan_generic,#function .globl memscan EXPORT_SYMBOL(__memscan_zero) EXPORT_SYMBOL(__memscan_generic) diff --git a/arch/sparc/lib/memset.S b/arch/sparc/lib/memset.S index bb539b42b088..e23338dbfc43 100644 --- a/arch/sparc/lib/memset.S +++ b/arch/sparc/lib/memset.S @@ -63,6 +63,7 @@ __bzero_begin: .globl __bzero + .type __bzero,#function .globl memset EXPORT_SYMBOL(__bzero) EXPORT_SYMBOL(memset) -- cgit v1.2.3-59-g8ed1b From dbd2667a4fb9ce4f547982b07cd69dda127c47ea Mon Sep 17 00:00:00 2001 From: Nitin Gupta Date: Thu, 22 Jun 2017 17:15:08 -0700 Subject: sparc64: Fix gup_huge_pmd The function assumes that each PMD points to head of a huge page. This is not correct as a PMD can point to start of any 8M region with a, say 256M, hugepage. The fix ensures that it points to the correct head of any PMD huge page. Cc: Julian Calaby Signed-off-by: Nitin Gupta Signed-off-by: David S. Miller --- arch/sparc/mm/gup.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'arch') diff --git a/arch/sparc/mm/gup.c b/arch/sparc/mm/gup.c index cd0e32bbcb1d..f80cfc64c55b 100644 --- a/arch/sparc/mm/gup.c +++ b/arch/sparc/mm/gup.c @@ -78,8 +78,8 @@ static int gup_huge_pmd(pmd_t *pmdp, pmd_t pmd, unsigned long addr, return 0; refs = 0; - head = pmd_page(pmd); - page = head + ((addr & ~PMD_MASK) >> PAGE_SHIFT); + page = pmd_page(pmd) + ((addr & ~PMD_MASK) >> PAGE_SHIFT); + head = compound_head(page); do { VM_BUG_ON(compound_head(page) != head); pages[*nr] = page; -- cgit v1.2.3-59-g8ed1b