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 /include/sound/opl4.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/sound/opl4.h')
| -rw-r--r-- | include/sound/opl4.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/include/sound/opl4.h b/include/sound/opl4.h new file mode 100644 index 000000000..9f337148c --- /dev/null +++ b/include/sound/opl4.h @@ -0,0 +1,19 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +#ifndef __SOUND_OPL4_H +#define __SOUND_OPL4_H + +/* + * Global definitions for the OPL4 driver + * Copyright (c) 2003 by Clemens Ladisch <clemens@ladisch.de> + */ + +#include <sound/opl3.h> + +struct snd_opl4; + +extern int snd_opl4_create(struct snd_card *card, + unsigned long fm_port, unsigned long pcm_port, + int seq_device, + struct snd_opl3 **opl3, struct snd_opl4 **opl4); + +#endif /* __SOUND_OPL4_H */ |