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| author | Zeng Chi <zengchi@kylinos.cn> | 2026-09-21 18:24:42 +0800 |
|---|---|---|
| committer | Sean Christopherson <seanjc@google.com> | 2026-09-22 08:36:16 -0700 |
| commit | 119e9db233ad0f4cbd4cfb9f9385a7bca378b37d (patch) | |
| tree | 660d50d4139cb750fbde1ae3432452c20726c99d /include/net/datalink.h | |
| download | linux-stable-119e9db233ad0f4cbd4cfb9f9385a7bca378b37d.tar.gz linux-stable-119e9db233ad0f4cbd4cfb9f9385a7bca378b37d.zip | |
KVM: Don't pre-reserve xarray entries when storing empty/NULL attributesgrafted
Skip the xarray reservation loop when clearing all memory attributes, as
storing NULL only erases the entry and never needs to allocate, so no
reservation (and no cleanup of a failed one) is required in that case.
Suggested-by: Sean Christopherson <seanjc@google.com>
Cc: David Ballesteros <davimaba.v@proton.me>
Signed-off-by: Zeng Chi <zengchi@kylinos.cn>
Link: https://patch.msgid.link/20260921102442.1232375-1-zeng_chi911@163.com
[sean: split to separate patch]
Signed-off-by: Sean Christopherson <seanjc@google.com>
Diffstat (limited to 'include/net/datalink.h')
| -rw-r--r-- | include/net/datalink.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/include/net/datalink.h b/include/net/datalink.h new file mode 100644 index 000000000..6c529a40e --- /dev/null +++ b/include/net/datalink.h @@ -0,0 +1,26 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _NET_INET_DATALINK_H_ +#define _NET_INET_DATALINK_H_ + +#include <linux/list.h> + +struct llc_sap; +struct net_device; +struct packet_type; +struct sk_buff; + +struct datalink_proto { + unsigned char type[8]; + + struct llc_sap *sap; + + unsigned short header_length; + + int (*rcvfunc)(struct sk_buff *, struct net_device *, + struct packet_type *, struct net_device *); + int (*request)(struct datalink_proto *, struct sk_buff *, + const unsigned char *); + struct list_head node; +}; + +#endif |