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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/media/common/ttpci-eeprom.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/media/common/ttpci-eeprom.h')
| -rw-r--r-- | drivers/media/common/ttpci-eeprom.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/media/common/ttpci-eeprom.h b/drivers/media/common/ttpci-eeprom.h new file mode 100644 index 000000000..ee741867b --- /dev/null +++ b/drivers/media/common/ttpci-eeprom.h @@ -0,0 +1,22 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + Retrieve encoded MAC address from ATMEL ttpci_eeprom serial 2-wire EEPROM, + decode it and store it in associated adapter net device + + Robert Schlabbach GMX + Michael Glaum KVH Industries + Holger Waechtler Convergence + + +*/ + +#ifndef __TTPCI_EEPROM_H__ +#define __TTPCI_EEPROM_H__ + +#include <linux/types.h> +#include <linux/i2c.h> + +extern int ttpci_eeprom_decode_mac(u8 *decodedMAC, u8 *encodedMAC); +extern int ttpci_eeprom_parse_mac(struct i2c_adapter *adapter, u8 *propsed_mac); + +#endif |