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Make ISC rwlock implementation the default again

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Revert the change from ad03c22e97 as
further testing has shown that with hyper-threading disabled, named with
ISC rwlocks outperforms named with pthread rwlocks in cold cache testing
scenarios.  Since building named with pthread rwlocks might still be a
better choice for some workloads, keep the compile-time option which
enables that.
This commit is contained in:
Michał Kępień
2020-04-17 08:36:24 +02:00
parent 8471206bac
commit 17101fd093
2 changed files with 6 additions and 7 deletions
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7
configure vendored
View File

@@ -1624,9 +1624,8 @@ Optional Features:
--enable-devpoll use /dev/poll when available [default=yes] --enable-devpoll use /dev/poll when available [default=yes]
--disable-geoip support GeoIP2 geolocation ACLs if available --disable-geoip support GeoIP2 geolocation ACLs if available
[default=yes] [default=yes]
--disable-pthread-rwlock --enable-pthread-rwlock use pthread rwlock instead of internal rwlock
use internal rwlock implementation instead of implementation
pthread rwlock
--enable-fips-mode enable FIPS mode in OpenSSL library [default=no] --enable-fips-mode enable FIPS mode in OpenSSL library [default=no]
--enable-native-pkcs11 use native PKCS11 for public-key crypto [default=no] --enable-native-pkcs11 use native PKCS11 for public-key crypto [default=no]
--disable-tcp-fastopen disable TCP Fast Open support [default=yes] --disable-tcp-fastopen disable TCP Fast Open support [default=yes]
@@ -16001,7 +16000,7 @@ done
if test "${enable_pthread_rwlock+set}" = set; then : if test "${enable_pthread_rwlock+set}" = set; then :
enableval=$enable_pthread_rwlock; enableval=$enable_pthread_rwlock;
else else
enable_pthread_rwlock=yes enable_pthread_rwlock=no
fi fi

6
configure.ac
View File

@@ -685,9 +685,9 @@ AC_SUBST(ALWAYS_DEFINES)
# Do we want to use pthread rwlock? # Do we want to use pthread rwlock?
# #
AC_ARG_ENABLE([pthread_rwlock], AC_ARG_ENABLE([pthread_rwlock],
[AS_HELP_STRING([--disable-pthread-rwlock], [AS_HELP_STRING([--enable-pthread-rwlock],
[use internal rwlock implementation instead of pthread rwlock])], [use pthread rwlock instead of internal rwlock implementation])],
[], [enable_pthread_rwlock=yes]) [], [enable_pthread_rwlock=no])
AS_IF([test "$enable_pthread_rwlock" = "yes"], AS_IF([test "$enable_pthread_rwlock" = "yes"],
[AC_CHECK_FUNCS([pthread_rwlock_rdlock], [], [AC_CHECK_FUNCS([pthread_rwlock_rdlock], [],