** Description changed: + [Impact] + Users of PowerPC processors with an NX coprocessor will not be able to use features like memory compression without this set of patches. + + [Test Case] + Run kernel on a PowerPC processor with an NX coprocessor implementing 842 memory compression. + + [Fix] + + Commits: + b130e7c04f1130f241eddf72098a6e08d41d08fe + edc424f8cd84bbae530d8a9f86caf1923606fb24 + 2da572c959dd5815aef153cf62010b16a498a0d3 + 2062c5b6da758ca2bb64b698d7f9c5c45a06fcf9 + fdd05e4b9ae22603ed09beb4e179ae7746555a81 + 7011a122383e36dab594406720fa1d089e0be8f9 + 959e6659b6f74ec1fa4d391a3b88d63dc0189f36 + 99182a42b7ef3d5e4180992ce01befd9e87526d2 + b8e04187c90107c58d1ccbeb68a0ba4c5bfd4167 + ed70b479c2c0b6e1319f0cb2de19f1051be219a4 + f7ead7b47a758bbee6fdc66f95f27fdb866e5e9d + ca7fc7e962fa067ba31f76a6e5828537394f6481 + 9358eac06b8fcf9fcaf566ec825fc05e2b1acd10 + 3e648cbeb31be5cb84b9ec19822e2b85417f07c4 + 3154de71258a32040214fda174e67b975b0810ef + 32be6d3e362b896c81aae7c635d44e5a91406ce2 + 2c6f6eabc0bfcea0a62370038da713e3873cff31 + c47d63020c03659e584673f78f24f2e5de3e6b9b + + Plus the following configuration changes: + + +CONFIG_842_COMPRESS=m + +CONFIG_842_DECOMPRESS=m + +CONFIG_CRYPTO_DEV_NX_COMPRESS_CRYPTO=m + +CONFIG_CRYPTO_DEV_NX_COMPRESS_POWERNV=m + +CONFIG_CRYPTO_DEV_NX_COMPRESS_PSERIES=m + + In addition some modules need to be loaded by initramfs which requires + changes to the initramfs-tools package. + + -- + Please add/include the patches for PowerPC NX coprocessor 842 memory compression. They're currently in Herbert Xu's upstream tree, and presumably he will send them up to Linus at the 4.2 merge window. - You can find the commits at + You can find the commits at git://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git ed70b47 crypto: nx - add hardware 842 crypto comp alg b8e04187 crypto: nx - simplify pSeries nx842 driver 99182a42 crypto: nx - add PowerNV platform NX-842 driver 959e665 crypto: nx - add nx842 constraints 7011a12 crypto: nx - add NX-842 platform frontend driver fdd05e4 crypto: nx - rename nx-842.c to nx-842-pseries.c 2062c5b crypto: 842 - change 842 alg to use software 2da572c lib: add software 842 compression/decompression edc424f powerpc: Add ICSWX instruction b130e7c powerpc: export of_get_ibm_chip_id function I'll update this when they are added to Linus' tree.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1454687 Title: add NX 842 hw compression patches To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/initramfs-tools/+bug/1454687/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
