From db68ce10c4f0a27c1ff9fa0e789e5c41f8c4ea63 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Mon, 20 Mar 2017 21:08:07 -0400 Subject: new helper: uaccess_kernel() Signed-off-by: Al Viro --- arch/parisc/lib/memcpy.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'arch/parisc/lib') diff --git a/arch/parisc/lib/memcpy.c b/arch/parisc/lib/memcpy.c index f82ff10..66f5160 100644 --- a/arch/parisc/lib/memcpy.c +++ b/arch/parisc/lib/memcpy.c @@ -76,7 +76,7 @@ DECLARE_PER_CPU(struct exception_data, exception_data); goto label; \ } while (0) -#define get_user_space() (segment_eq(get_fs(), KERNEL_DS) ? 0 : mfsp(3)) +#define get_user_space() (uaccess_kernel() ? 0 : mfsp(3)) #define get_kernel_space() (0) #define MERGE(w0, sh_1, w1, sh_2) ({ \ -- cgit v1.1 From f64fd180ec2c0bcca2a141314db3b5d3b6bfef2f Mon Sep 17 00:00:00 2001 From: Al Viro Date: Fri, 24 Mar 2017 23:11:26 -0400 Subject: parisc: switch to RAW_COPY_USER ... and remove dead declarations, while we are at it Signed-off-by: Al Viro --- arch/parisc/lib/memcpy.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) (limited to 'arch/parisc/lib') diff --git a/arch/parisc/lib/memcpy.c b/arch/parisc/lib/memcpy.c index e88e4a5..99115cd 100644 --- a/arch/parisc/lib/memcpy.c +++ b/arch/parisc/lib/memcpy.c @@ -36,25 +36,25 @@ DECLARE_PER_CPU(struct exception_data, exception_data); extern unsigned long pa_memcpy(void *dst, const void *src, unsigned long len); -unsigned long __copy_to_user(void __user *dst, const void *src, - unsigned long len) +unsigned long raw_copy_to_user(void __user *dst, const void *src, + unsigned long len) { mtsp(get_kernel_space(), 1); mtsp(get_user_space(), 2); return pa_memcpy((void __force *)dst, src, len); } -EXPORT_SYMBOL(__copy_to_user); +EXPORT_SYMBOL(raw_copy_to_user); -unsigned long __copy_from_user(void *dst, const void __user *src, +unsigned long raw_copy_from_user(void *dst, const void __user *src, unsigned long len) { mtsp(get_user_space(), 1); mtsp(get_kernel_space(), 2); return pa_memcpy(dst, (void __force *)src, len); } -EXPORT_SYMBOL(__copy_from_user); +EXPORT_SYMBOL(raw_copy_from_user); -unsigned long copy_in_user(void __user *dst, const void __user *src, unsigned long len) +unsigned long raw_copy_in_user(void __user *dst, const void __user *src, unsigned long len) { mtsp(get_user_space(), 1); mtsp(get_user_space(), 2); @@ -70,7 +70,7 @@ void * memcpy(void * dst,const void *src, size_t count) return dst; } -EXPORT_SYMBOL(copy_in_user); +EXPORT_SYMBOL(raw_copy_in_user); EXPORT_SYMBOL(memcpy); long probe_kernel_read(void *dst, const void *src, size_t size) -- cgit v1.1