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Revision 0baca070068c58b95e342881d9da4840d5cf3bd1 authored by Linus Torvalds on 22 September 2020, 21:36:50 UTC, committed by Linus Torvalds on 22 September 2020, 21:36:50 UTC 
Merge tag 'io_uring-5.9-2020-09-22' of git://git.kernel.dk/linux-block
 
Pull io_uring fixes from Jens Axboe:
 "A few fixes - most of them regression fixes from this cycle, but also
  a few stable heading fixes, and a build fix for the included demo tool
  since some systems now actually have gettid() available"

* tag 'io_uring-5.9-2020-09-22' of git://git.kernel.dk/linux-block:
  io_uring: fix openat/openat2 unified prep handling
  io_uring: mark statx/files_update/epoll_ctl as non-SQPOLL
  tools/io_uring: fix compile breakage
  io_uring: don't use retry based buffered reads for non-async bdev
  io_uring: don't re-setup vecs/iter in io_resumit_prep() is already there
  io_uring: don't run task work on an exiting task
  io_uring: drop 'ctx' ref on task work cancelation
  io_uring: grab any needed state during defer prep
2 parent s c37b718 + 4eb8dde
Raw File
extable.c 
// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
 *
 * Borrowed heavily from MIPS
 */

#include <linux/export.h>
#include <linux/extable.h>
#include <linux/uaccess.h>

int fixup_exception(struct pt_regs *regs)
{
	const struct exception_table_entry *fixup;

	fixup = search_exception_tables(instruction_pointer(regs));
	if (fixup) {
		regs->ret = fixup->fixup;

		return 1;
	}

	return 0;
}

#ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE

unsigned long arc_clear_user_noinline(void __user *to,
		unsigned long n)
{
	return __arc_clear_user(to, n);
}
EXPORT_SYMBOL(arc_clear_user_noinline);

long arc_strncpy_from_user_noinline(char *dst, const char __user *src,
		long count)
{
	return __arc_strncpy_from_user(dst, src, count);
}
EXPORT_SYMBOL(arc_strncpy_from_user_noinline);

long arc_strnlen_user_noinline(const char __user *src, long n)
{
	return __arc_strnlen_user(src, n);
}
EXPORT_SYMBOL(arc_strnlen_user_noinline);
#endif
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