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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 /drivers/video/fbdev/vt8500lcdfb.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 'drivers/video/fbdev/vt8500lcdfb.h')
| -rw-r--r-- | drivers/video/fbdev/vt8500lcdfb.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/video/fbdev/vt8500lcdfb.h b/drivers/video/fbdev/vt8500lcdfb.h new file mode 100644 index 000000000..7808f8475 --- /dev/null +++ b/drivers/video/fbdev/vt8500lcdfb.h @@ -0,0 +1,26 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * linux/drivers/video/vt8500lcdfb.h + * + * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com> + */ + +struct vt8500lcd_info { + struct fb_info fb; + void __iomem *regbase; + void __iomem *palette_cpu; + dma_addr_t palette_phys; + size_t palette_size; + wait_queue_head_t wait; +}; + +static int bpp_values[] = { + 1, + 2, + 4, + 8, + 12, + 16, + 18, + 24, +}; |