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arch: remove compat_alloc_user_space

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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>
This commit is contained in:
Arnd Bergmann
2021-09-08 15:18:29 -07:00
committed by Linus Torvalds
parent 59ab844eed
commit a7a08b275a
24 changed files with 12 additions and 333 deletions
Download Patch File Download Diff File Expand all files Collapse all files

26
arch/mips/include/asm/uaccess.h
View File

@@ -428,7 +428,6 @@ do { \
extern size_t __raw_copy_from_user(void *__to, const void *__from, size_t __n);
extern size_t __raw_copy_to_user(void *__to, const void *__from, size_t __n);
extern size_t __raw_copy_in_user(void *__to, const void *__from, size_t __n);
static inline unsigned long
raw_copy_from_user(void *to, const void __user *from, unsigned long n)
@@ -480,31 +479,6 @@ raw_copy_to_user(void __user *to, const void *from, unsigned long n)
#define INLINE_COPY_FROM_USER
#define INLINE_COPY_TO_USER
static inline unsigned long
raw_copy_in_user(void __user *to, const void __user *from, unsigned long n)
{
register void __user *__cu_to_r __asm__("$4");
register const void __user *__cu_from_r __asm__("$5");
register long __cu_len_r __asm__("$6");
__cu_to_r = to;
__cu_from_r = from;
__cu_len_r = n;
__asm__ __volatile__(
".set\tnoreorder\n\t"
__MODULE_JAL(__raw_copy_in_user)
".set\tnoat\n\t"
__UA_ADDU "\t$1, %1, %2\n\t"
".set\tat\n\t"
".set\treorder"
: "+r" (__cu_to_r), "+r" (__cu_from_r), "+r" (__cu_len_r)
:
: "$8", "$9", "$10", "$11", "$12", "$14", "$15", "$24", "$31",
DADDI_SCRATCH, "memory");
return __cu_len_r;
}
extern __kernel_size_t __bzero(void __user *addr, __kernel_size_t size);
/*