[PATCH v4 5/7] crash_dump: retrieve dm crypt keys in kdump kernel

Coiby Xu coxu at redhat.com
Fri Jun 7 05:27:37 PDT 2024


On Fri, Jun 07, 2024 at 05:50:15PM +0800, Baoquan He wrote:
>On 05/23/24 at 01:04pm, Coiby Xu wrote:
>......
>> +ssize_t __weak dm_crypt_keys_read(char *buf, size_t count, u64 *ppos)
>> +{
>> +	struct kvec kvec = { .iov_base = buf, .iov_len = count };
>> +	struct iov_iter iter;
>> +
>> +	iov_iter_kvec(&iter, READ, &kvec, 1, count);
>> +	return read_from_oldmem(&iter, count, ppos, false);
>Do we need create a x86 specific version to cope with the confidential
>computing thing, e.g sme/tdx?

Thanks for raising the concern! I'll test sme/tdx and will fix it in v6
if any issue is found.

-- 
Best regards,
Coiby




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