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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

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This commit is contained in:
David S. Miller 2016-04-09 17:41:41 -04:00
commit ae95d71261
710 changed files with 7706 additions and 4846 deletions
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15
kernel/events/core.c
View file

@ -2417,14 +2417,24 @@ static void ctx_sched_out(struct perf_event_context *ctx,
cpuctx->task_ctx = NULL;
}
is_active ^= ctx->is_active; /* changed bits */
/*
* Always update time if it was set; not only when it changes.
* Otherwise we can 'forget' to update time for any but the last
* context we sched out. For example:
*
* ctx_sched_out(.event_type = EVENT_FLEXIBLE)
* ctx_sched_out(.event_type = EVENT_PINNED)
*
* would only update time for the pinned events.
*/
if (is_active & EVENT_TIME) {
/* update (and stop) ctx time */
update_context_time(ctx);
update_cgrp_time_from_cpuctx(cpuctx);
}
is_active ^= ctx->is_active; /* changed bits */
if (!ctx->nr_active || !(is_active & EVENT_ALL))
return;
@ -8547,6 +8557,7 @@ SYSCALL_DEFINE5(perf_event_open,
f_flags);
if (IS_ERR(event_file)) {
err = PTR_ERR(event_file);
event_file = NULL;
goto err_context;
}

8
kernel/events/uprobes.c
View file

@ -321,7 +321,7 @@ retry:
copy_to_page(new_page, vaddr, &opcode, UPROBE_SWBP_INSN_SIZE);
ret = __replace_page(vma, vaddr, old_page, new_page);
page_cache_release(new_page);
put_page(new_page);
put_old:
put_page(old_page);
@ -539,14 +539,14 @@ static int __copy_insn(struct address_space *mapping, struct file *filp,
* see uprobe_register().
*/
if (mapping->a_ops->readpage)
page = read_mapping_page(mapping, offset >> PAGE_CACHE_SHIFT, filp);
page = read_mapping_page(mapping, offset >> PAGE_SHIFT, filp);
else
page = shmem_read_mapping_page(mapping, offset >> PAGE_CACHE_SHIFT);
page = shmem_read_mapping_page(mapping, offset >> PAGE_SHIFT);
if (IS_ERR(page))
return PTR_ERR(page);
copy_from_page(page, offset, insn, nbytes);
page_cache_release(page);
put_page(page);
return 0;
}