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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/video/cmdline.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/video/cmdline.h')
| -rw-r--r-- | include/video/cmdline.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/video/cmdline.h b/include/video/cmdline.h new file mode 100644 index 000000000..76649465b --- /dev/null +++ b/include/video/cmdline.h @@ -0,0 +1,16 @@ +/* SPDX-License-Identifier: GPL-2.0 */ + +#ifndef VIDEO_CMDLINE_H +#define VIDEO_CMDLINE_H + +#include <linux/kconfig.h> +#include <linux/types.h> + +const char *video_get_options(const char *name); + +#if IS_ENABLED(CONFIG_FB_CORE) +/* exported for compatibility with fbdev; don't use in new code */ +bool __video_get_options(const char *name, const char **option, bool is_of); +#endif + +#endif |