[oe] [meta-oe][PATCH] haveged: fix CPU cache size detection
akuster808
akuster808 at gmail.com
Fri Jun 7 21:52:08 UTC 2019
On 6/6/19 7:09 AM, Stefan Agner wrote:
> From: Stefan Agner <stefan.agner at toradex.com>
>
> Fix ENOMEM error in case the kernel reports cache size of -1. This
> lead to the following error when starting haveged:
> haveged starting up
> haveged: Couldn't initialize HAVEGE rng 5
>
> Signed-off-by: Stefan Agner <stefan.agner at toradex.com>
> ---
> .../haveged/fix-cpu-cache-size-detection.patch | 20 ++++++++++++++++++++
> meta-oe/recipes-extended/haveged/haveged_1.9.4.bb | 1 +
> 2 files changed, 21 insertions(+)
> create mode 100644 meta-oe/recipes-extended/haveged/haveged/fix-cpu-cache-size-detection.patch
>
> diff --git a/meta-oe/recipes-extended/haveged/haveged/fix-cpu-cache-size-detection.patch b/meta-oe/recipes-extended/haveged/haveged/fix-cpu-cache-size-detection.patch
> new file mode 100644
> index 000000000..5b68f1966
> --- /dev/null
> +++ b/meta-oe/recipes-extended/haveged/haveged/fix-cpu-cache-size-detection.patch
> @@ -0,0 +1,20 @@
> +Some ARM cpus does not report the cache size or say it is -1
> +
> +https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=866306
> +
> +Upstream-status: Pending
missing "Singed-off-by" per patch process
> +
> +Index: haveged-1.9.2/src/havegetune.c
> +===================================================================
> +--- haveged-1.9.2.orig/src/havegetune.c
> ++++ haveged-1.9.2/src/havegetune.c
> +@@ -795,6 +795,9 @@ static int vfs_configInfoCache(
> + ctype = vfs_configFile(pAnchor, path, vfs_configType);
> + strcpy(path+plen, "size");
> + size = vfs_configFile(pAnchor, path, vfs_configInt);
> ++ if (size == -1) {
> ++ size = ctype == 'I' ? GENERIC_ICACHE : GENERIC_DCACHE;
> ++ }
> + cfg_cacheAdd(pAnchor, SRC_VFS_INDEX, pArgs[1], level, ctype, size);
> + }
> + }
> diff --git a/meta-oe/recipes-extended/haveged/haveged_1.9.4.bb b/meta-oe/recipes-extended/haveged/haveged_1.9.4.bb
> index 32aab59f1..d0e1a29dd 100644
> --- a/meta-oe/recipes-extended/haveged/haveged_1.9.4.bb
> +++ b/meta-oe/recipes-extended/haveged/haveged_1.9.4.bb
> @@ -9,6 +9,7 @@ LIC_FILES_CHKSUM="file://COPYING;md5=d32239bcb673463ab874e80d47fae504"
> SRCREV = "faa40ff345af194d3253f5fb030403e3c9831c36"
> SRC_URI = "git://github.com/jirka-h/haveged.git \
> file://haveged-init.d-Makefile.am-add-missing-dependency.patch \
> + file://fix-cpu-cache-size-detection.patch \
> "
> S = "${WORKDIR}/git"
>
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