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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/crypto/virtio/Kconfig | |
| 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/crypto/virtio/Kconfig')
| -rw-r--r-- | drivers/crypto/virtio/Kconfig | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/crypto/virtio/Kconfig b/drivers/crypto/virtio/Kconfig new file mode 100644 index 000000000..5f8915f4a --- /dev/null +++ b/drivers/crypto/virtio/Kconfig @@ -0,0 +1,13 @@ +# SPDX-License-Identifier: GPL-2.0-only +config CRYPTO_DEV_VIRTIO + tristate "VirtIO crypto driver" + depends on VIRTIO + select CRYPTO_AEAD + select CRYPTO_AKCIPHER2 + select CRYPTO_SKCIPHER + select CRYPTO_ENGINE + select CRYPTO_RSA + select MPILIB + help + This driver provides support for virtio crypto device. If you + choose 'M' here, this module will be called virtio_crypto. |