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x86/xen: Convert to DEFINE_SHOW_ATTRIBUTE 

Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.

Signed-off-by: Qinglang Miao <miaoqinglang@huawei.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Link: https://lore.kernel.org/r/20200917125547.104472-1-miaoqinglang@huawei.com
Signed-off-by: Juergen Gross <jgross@suse.com>
This commit is contained in:
Qinglang Miao 2020-09-17 20:55:47 +08:00 committed by Juergen Gross
parent 1c728719a4
commit e34ff4cda2
1 changed files with 1 additions and 11 deletions
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12
arch/x86/xen/p2m.c
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@ -795,17 +795,7 @@ static int p2m_dump_show(struct seq_file *m, void *v)
return 0;
}
static int p2m_dump_open(struct inode *inode, struct file *filp)
{
return single_open(filp, p2m_dump_show, NULL);
}
static const struct file_operations p2m_dump_fops = {
.open = p2m_dump_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
DEFINE_SHOW_ATTRIBUTE(p2m_dump);
static struct dentry *d_mmu_debug;