diff options
| author | Arnd Bergmann <arnd@arndb.de> | 2021-09-08 15:18:29 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-09-08 15:32:35 -0700 |
| commit | a7a08b275a8bbade798c4bdaad07ade68fe7003c (patch) | |
| tree | 25076445a217fe41316ba7c589bc126d3919ff42 /arch/parisc | |
| parent | 59ab844eed9c6b01d32dcb27b57accc23771b324 (diff) | |
| download | linux-a7a08b275a8bbade798c4bdaad07ade68fe7003c.tar.bz2 | |
arch: remove compat_alloc_user_space
All users of compat_alloc_user_space() and copy_in_user() have been
removed from the kernel, only a few functions in sparc remain that can be
changed to calling arch_copy_in_user() instead.
Link: https://lkml.kernel.org/r/20210727144859.4150043-7-arnd@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Eric Biederman <ebiederm@xmission.com>
Cc: Feng Tang <feng.tang@intel.com>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Helge Deller <deller@gmx.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/parisc')
| -rw-r--r-- | arch/parisc/include/asm/compat.h | 6 | ||||
| -rw-r--r-- | arch/parisc/include/asm/uaccess.h | 2 | ||||
| -rw-r--r-- | arch/parisc/lib/memcpy.c | 9 |
3 files changed, 0 insertions, 17 deletions
diff --git a/arch/parisc/include/asm/compat.h b/arch/parisc/include/asm/compat.h index b5d90e82b65d..c04f5a637c39 100644 --- a/arch/parisc/include/asm/compat.h +++ b/arch/parisc/include/asm/compat.h @@ -163,12 +163,6 @@ struct compat_shmid64_ds { #define COMPAT_ELF_NGREG 80 typedef compat_ulong_t compat_elf_gregset_t[COMPAT_ELF_NGREG]; -static __inline__ void __user *arch_compat_alloc_user_space(long len) -{ - struct pt_regs *regs = ¤t->thread.regs; - return (void __user *)regs->gr[30]; -} - static inline int __is_compat_task(struct task_struct *t) { return test_tsk_thread_flag(t, TIF_32BIT); diff --git a/arch/parisc/include/asm/uaccess.h b/arch/parisc/include/asm/uaccess.h index ed2cd4fb479b..7c13314aae4a 100644 --- a/arch/parisc/include/asm/uaccess.h +++ b/arch/parisc/include/asm/uaccess.h @@ -215,8 +215,6 @@ unsigned long __must_check raw_copy_to_user(void __user *dst, const void *src, unsigned long len); unsigned long __must_check raw_copy_from_user(void *dst, const void __user *src, unsigned long len); -unsigned long __must_check raw_copy_in_user(void __user *dst, const void __user *src, - unsigned long len); #define INLINE_COPY_TO_USER #define INLINE_COPY_FROM_USER diff --git a/arch/parisc/lib/memcpy.c b/arch/parisc/lib/memcpy.c index 4b75388190b4..ea70a0e08321 100644 --- a/arch/parisc/lib/memcpy.c +++ b/arch/parisc/lib/memcpy.c @@ -38,14 +38,6 @@ unsigned long raw_copy_from_user(void *dst, const void __user *src, } EXPORT_SYMBOL(raw_copy_from_user); -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); - return pa_memcpy((void __force *)dst, (void __force *)src, len); -} - - void * memcpy(void * dst,const void *src, size_t count) { mtsp(get_kernel_space(), 1); @@ -54,7 +46,6 @@ void * memcpy(void * dst,const void *src, size_t count) return dst; } -EXPORT_SYMBOL(raw_copy_in_user); EXPORT_SYMBOL(memcpy); bool copy_from_kernel_nofault_allowed(const void *unsafe_src, size_t size) |