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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/netns/mpls.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/netns/mpls.h')
| -rw-r--r-- | include/net/netns/mpls.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/include/net/netns/mpls.h b/include/net/netns/mpls.h new file mode 100644 index 000000000..2073cbac2 --- /dev/null +++ b/include/net/netns/mpls.h @@ -0,0 +1,25 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * mpls in net namespaces + */ + +#ifndef __NETNS_MPLS_H__ +#define __NETNS_MPLS_H__ + +#include <linux/types.h> + +struct mpls_route; +struct ctl_table_header; + +struct netns_mpls { + int ip_ttl_propagate; + int default_ttl; + size_t platform_labels; + struct mpls_route __rcu * __rcu *platform_label; + struct mutex platform_mutex; + seqcount_mutex_t platform_label_seq; + + struct ctl_table_header *ctl; +}; + +#endif /* __NETNS_MPLS_H__ */ |