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>

1 files changed, 46 insertions, 0 deletions

diff --git a/include/sound/da7213.h b/include/sound/da7213.h
new file mode 100644
index 000000000..6216a0a7b
--- /dev/null
+++ b/include/sound/da7213.h
@@ -0,0 +1,46 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * da7213.h - DA7213 ASoC Codec Driver Platform Data
+ *
+ * Copyright (c) 2013 Dialog Semiconductor
+ *
+ * Author: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
+ */
+
+#ifndef _DA7213_PDATA_H
+#define _DA7213_PDATA_H
+
+enum da7213_micbias_voltage {
+	DA7213_MICBIAS_1_6V = 0,
+	DA7213_MICBIAS_2_2V = 1,
+	DA7213_MICBIAS_2_5V = 2,
+	DA7213_MICBIAS_3_0V = 3,
+};
+
+enum da7213_dmic_data_sel {
+	DA7213_DMIC_DATA_LRISE_RFALL = 0,
+	DA7213_DMIC_DATA_LFALL_RRISE = 1,
+};
+
+enum da7213_dmic_samplephase {
+	DA7213_DMIC_SAMPLE_ON_CLKEDGE = 0,
+	DA7213_DMIC_SAMPLE_BETWEEN_CLKEDGE = 1,
+};
+
+enum da7213_dmic_clk_rate {
+	DA7213_DMIC_CLK_3_0MHZ = 0,
+	DA7213_DMIC_CLK_1_5MHZ = 1,
+};
+
+struct da7213_platform_data {
+	/* Mic Bias voltage */
+	enum da7213_micbias_voltage micbias1_lvl;
+	enum da7213_micbias_voltage micbias2_lvl;
+
+	/* DMIC config */
+	enum da7213_dmic_data_sel dmic_data_sel;
+	enum da7213_dmic_samplephase dmic_samplephase;
+	enum da7213_dmic_clk_rate dmic_clk_rate;
+};
+
+#endif /* _DA7213_PDATA_H */