diff options
| 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 /lib/kunit/device-impl.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 'lib/kunit/device-impl.h')
| -rw-r--r-- | lib/kunit/device-impl.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/lib/kunit/device-impl.h b/lib/kunit/device-impl.h new file mode 100644 index 000000000..5fcd48ff0 --- /dev/null +++ b/lib/kunit/device-impl.h @@ -0,0 +1,19 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * KUnit internal header for device helpers + * + * Header for KUnit-internal driver / bus management. + * + * Copyright (C) 2023, Google LLC. + * Author: David Gow <davidgow@google.com> + */ + +#ifndef _KUNIT_DEVICE_IMPL_H +#define _KUNIT_DEVICE_IMPL_H + +// For internal use only -- registers the kunit_bus. +int kunit_bus_init(void); +// For internal use only -- unregisters the kunit_bus. +void kunit_bus_shutdown(void); + +#endif //_KUNIT_DEVICE_IMPL_H |