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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 /io_uring/Kconfig | |
| 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 'io_uring/Kconfig')
| -rw-r--r-- | io_uring/Kconfig | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/io_uring/Kconfig b/io_uring/Kconfig new file mode 100644 index 000000000..a283d9e53 --- /dev/null +++ b/io_uring/Kconfig @@ -0,0 +1,21 @@ +# SPDX-License-Identifier: GPL-2.0-only +# +# io_uring configuration +# + +config IO_URING_ZCRX + def_bool y + depends on IO_URING + depends on PAGE_POOL + depends on INET + depends on NET_RX_BUSY_POLL + +config IO_URING_BPF + def_bool y + depends on BPF + depends on NET + +config IO_URING_BPF_OPS + def_bool y + depends on IO_URING + depends on BPF_SYSCALL && BPF_JIT && DEBUG_INFO_BTF |