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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/dt-bindings/input/input.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/dt-bindings/input/input.h')
| -rw-r--r-- | include/dt-bindings/input/input.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/include/dt-bindings/input/input.h b/include/dt-bindings/input/input.h new file mode 100644 index 000000000..bcf0ae100 --- /dev/null +++ b/include/dt-bindings/input/input.h @@ -0,0 +1,18 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * This header provides constants for most input bindings. + * + * Most input bindings include key code, matrix key code format. + * In most cases, key code and matrix key code format uses + * the standard values/macro defined in this header. + */ + +#ifndef _DT_BINDINGS_INPUT_INPUT_H +#define _DT_BINDINGS_INPUT_INPUT_H + +#include "linux-event-codes.h" + +#define MATRIX_KEY(row, col, code) \ + ((((row) & 0xFF) << 24) | (((col) & 0xFF) << 16) | ((code) & 0xFFFF)) + +#endif /* _DT_BINDINGS_INPUT_INPUT_H */ |