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Geert reports that: > On v6.2, "make ARCH=m68k defconfig" gives you > CONFIG_RPCSEC_GSS_KRB5=m > On v6.3, it became builtin, due to dropping the dependencies on > the individual crypto modules. > > $ grep -E "CRYPTO_(MD5|DES|CBC|CTS|ECB|HMAC|SHA1|AES)" .config > CONFIG_CRYPTO_AES=y > CONFIG_CRYPTO_AES_TI=m > CONFIG_CRYPTO_DES=m > CONFIG_CRYPTO_CBC=m > CONFIG_CRYPTO_CTS=m > CONFIG_CRYPTO_ECB=m > CONFIG_CRYPTO_HMAC=m > CONFIG_CRYPTO_MD5=m > CONFIG_CRYPTO_SHA1=m This behavior is triggered by the "default y" in the definition of RPCSEC_GSS. The "default y" was added in 2010 by commitdf486a2590("NFS: Fix the selection of security flavours in Kconfig"). However, svc_gss_principal was removed in 2012 by commit03a4e1f6dd("nfsd4: move principal name into svc_cred"), so the 2010 fix is no longer necessary. We can safely change the NFS_V4 and NFSD_V4 dependencies back to RPCSEC_GSS_KRB5 to get the nicer v6.2 behavior back. Selecting KRB5 symbolically represents the true requirement here: that all spec-compliant NFSv4 implementations must have Kerberos available to use. Reported-by: Geert Uytterhoeven <geert@linux-m68k.org> Fixes:dfe9a12345("SUNRPC: Enable rpcsec_gss_krb5.ko to be built without CRYPTO_DES") Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.