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s390/uv: Remove uv_get_secret_metadata function

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The uv_get_secret_metadata() in-kernel function was only
offered and used by the pkey uv handler. Remove it as there
is no customer any more.

Suggested-by: Steffen Eiden <seiden@linux.ibm.com>
Signed-off-by: Harald Freudenberger <freude@linux.ibm.com>
Reviewed-by: Steffen Eiden <seiden@linux.ibm.com>
Acked-by: Holger Dengler <dengler@linux.ibm.com>
Link: https://lore.kernel.org/r/20250424133619.16495-24-freude@linux.ibm.com
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
This commit is contained in:
Harald Freudenberger 2025-04-24 15:36:17 +02:00 committed by Heiko Carstens
parent 1bd4793728
commit a42831f0b7
2 changed files with 0 additions and 32 deletions
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2
arch/s390/include/asm/uv.h
View File

@ -619,8 +619,6 @@ static inline int uv_remove_shared(unsigned long addr)
int uv_find_secret(const u8 secret_id[UV_SECRET_ID_LEN], int uv_find_secret(const u8 secret_id[UV_SECRET_ID_LEN],
struct uv_secret_list *list, struct uv_secret_list *list,
struct uv_secret_list_item_hdr *secret); struct uv_secret_list_item_hdr *secret);
int uv_get_secret_metadata(const u8 secret_id[UV_SECRET_ID_LEN],
struct uv_secret_list_item_hdr *secret);
int uv_retrieve_secret(u16 secret_idx, u8 *buf, size_t buf_size); int uv_retrieve_secret(u16 secret_idx, u8 *buf, size_t buf_size);
extern int prot_virt_host; extern int prot_virt_host;

30
arch/s390/kernel/uv.c
View File

@ -840,36 +840,6 @@ int uv_find_secret(const u8 secret_id[UV_SECRET_ID_LEN],
} }
EXPORT_SYMBOL_GPL(uv_find_secret); EXPORT_SYMBOL_GPL(uv_find_secret);
/**
* uv_get_secret_metadata() - get secret metadata for a given secret id.
* @secret_id: search pattern.
* @secret: output data, containing the secret's metadata.
*
* Search for a secret with the given secret_id in the Ultravisor secret store.
*
* Context: might sleep.
*
* Return:
* * %0: - Found entry; secret->idx and secret->type are valid.
* * %ENOENT - No entry found.
* * %ENODEV: - Not supported: UV not available or command not available.
* * %EIO: - Other unexpected UV error.
*/
int uv_get_secret_metadata(const u8 secret_id[UV_SECRET_ID_LEN],
struct uv_secret_list_item_hdr *secret)
{
struct uv_secret_list *buf;
int rc;
buf = kzalloc(sizeof(*buf), GFP_KERNEL);
if (!buf)
return -ENOMEM;
rc = uv_find_secret(secret_id, buf, secret);
kfree(buf);
return rc;
}
EXPORT_SYMBOL_GPL(uv_get_secret_metadata);
/** /**
* uv_retrieve_secret() - get the secret value for the secret index. * uv_retrieve_secret() - get the secret value for the secret index.
* @secret_idx: Secret index for which the secret should be retrieved. * @secret_idx: Secret index for which the secret should be retrieved.