find-requires.ksyms: import RHEL-specific changes from RHEL 7.6
* find-requires.ksyms: Add file comment. (check_kabi): New function. (if [ ${#modules[@]} -gt 0 ]): Call it. Resolves: #2002887 Signed-off-by: Eugene Syromiatnikov <esyr@redhat.com>
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@ -1,4 +1,9 @@
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#! /bin/bash
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#! /bin/bash
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#
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# This script is called during external module building to create dependencies
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# both upon the RHEL kernel, and on additional external modules. Symbols that
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# cannot be reconciled against those provided by the kernel are assumed to be
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# provided by an external module and "ksym" replaces th regular "kernel" dep.
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IFS=$'\n'
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IFS=$'\n'
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@ -50,6 +55,49 @@ if ! [ -e /sbin/modinfo -a -e /sbin/modprobe ]; then
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exit 0
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exit 0
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fi
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fi
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check_kabi() {
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arch=$(uname -m)
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kabi_file="/lib/modules/kabi-current/kabi_stablelist_$arch"
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# If not installed, output a warning and return (continue)
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if [ ! -f "$kabi_file" ]; then
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echo "" >&2
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echo "********************************************************************************" >&2
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echo "*********************** KERNEL ABI COMPATIBILITY WARNING ***********************" >&2
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echo "********************************************************************************" >&2
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echo "The kernel ABI reference files (provided by "kabi-stablelists") were not found." >&2
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echo "No compatibility check was performed. Please install the kABI reference files" >&2
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echo "and rebuild if you would like to verify compatibility with kernel ABI." >&2
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echo "" >&2
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return
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fi
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unset non_kabi
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for symbol in "$@"; do
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if ! egrep "^[[:space:]]$symbol\$" $kabi_file >/dev/null; then
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non_kabi=("${non_kabi[@]}" "$symbol")
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fi
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done
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if [ ${#non_kabi[@]} -gt 0 ]; then
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echo "" >&2
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echo "********************************************************************************" >&2
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echo "*********************** KERNEL ABI COMPATIBILITY WARNING ***********************" >&2
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echo "********************************************************************************" >&2
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echo "The following kernel symbols are not guaranteed to remain compatible with" >&2
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echo "future kernel updates to this RHEL release:" >&2
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echo "" >&2
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for symbol in "${non_kabi[@]}"; do
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printf "\t$symbol\n" >&2
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done
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echo "" >&2
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echo "Red Hat recommends that you consider using only official kernel ABI symbols" >&2
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echo "where possible. Requests for additions to the kernel ABI can be filed with" >&2
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echo "your partner or customer representative (component: driver-update-program)." >&2
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echo "" >&2
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fi
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}
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modules=($(grep -E '/lib/modules/.+\.ko$'))
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modules=($(grep -E '/lib/modules/.+\.ko$'))
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if [ ${#modules[@]} -gt 0 ]; then
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if [ ${#modules[@]} -gt 0 ]; then
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kernel=$(/sbin/modinfo -F vermagic "${modules[0]}" | sed -e 's: .*::' -e q)
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kernel=$(/sbin/modinfo -F vermagic "${modules[0]}" | sed -e 's: .*::' -e q)
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@ -71,4 +119,10 @@ if [ ${#modules[@]} -gt 0 ]; then
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# Symbols from elsewhere get a "ksym" dependency
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# Symbols from elsewhere get a "ksym" dependency
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LC_ALL=C join -t $'\t' -j 1 -v 2 $symvers <(mod_requires "${modules[@]}") | LC_ALL=C sort -u \
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LC_ALL=C join -t $'\t' -j 1 -v 2 $symvers <(mod_requires "${modules[@]}") | LC_ALL=C sort -u \
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| awk '{ FS = "\t" ; OFS = "\t" } { print "ksym(" $1 ") = " $2 }'
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| awk '{ FS = "\t" ; OFS = "\t" } { print "ksym(" $1 ") = " $2 }'
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# Check kABI if the kabi-stablelists package is installed
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# Do this last so we can try to output this error at the end
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kabi_check_symbols=($(LC_ALL=C join -t $'\t' -j 1 $symvers <(mod_requires "${modules[@]}") | LC_ALL=C sort -u \
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| awk '{ FS = "\t" ; OFS = "\t" } { print $1 }'))
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check_kabi "${kabi_check_symbols[@]}"
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fi
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fi
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