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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/clk/qcom/reset.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/clk/qcom/reset.h')
| -rw-r--r-- | drivers/clk/qcom/reset.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/drivers/clk/qcom/reset.h b/drivers/clk/qcom/reset.h new file mode 100644 index 000000000..fe0561bf5 --- /dev/null +++ b/drivers/clk/qcom/reset.h @@ -0,0 +1,31 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (c) 2013, The Linux Foundation. All rights reserved. + */ + +#ifndef __QCOM_CLK_RESET_H__ +#define __QCOM_CLK_RESET_H__ + +#include <linux/reset-controller.h> + +struct qcom_reset_map { + unsigned int reg; + u8 bit; + u16 udelay; + u32 bitmask; +}; + +struct regmap; + +struct qcom_reset_controller { + const struct qcom_reset_map *reset_map; + struct regmap *regmap; + struct reset_controller_dev rcdev; +}; + +#define to_qcom_reset_controller(r) \ + container_of(r, struct qcom_reset_controller, rcdev); + +extern const struct reset_control_ops qcom_reset_ops; + +#endif |