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erlang
0967-erts-Disable-the-JIT-on-x86-Macs.patch
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File 0967-erts-Disable-the-JIT-on-x86-Macs.patch of Package erlang
From 5c9581eb409f5ef180447fbf34059bfe9b734f77 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?John=20H=C3=B6gberg?= <john@erlang.org> Date: Mon, 29 Jan 2024 22:06:18 +0100 Subject: [PATCH] erts: Disable the JIT on x86 Macs --- erts/configure | 18 +++++++++++++++++- erts/configure.ac | 17 ++++++++++++++++- 2 files changed, 33 insertions(+), 2 deletions(-) diff --git a/erts/configure b/erts/configure index a09c84ff09..8d2083aa48 100755 --- a/erts/configure +++ b/erts/configure @@ -21838,7 +21838,23 @@ then : if test ${enable_jit} != no; then case "$ARCH" in amd64) - JIT_ARCH=x86 + case "$OPSYS" in + darwin) + # MacOS Sonoma introduced some very annoying popups when + # dual-mapping memory through the documented APIs, and we did + # not wish to start using undocumented functionality in a patch + # release, so we have disabled the JIT on this platform. + # + # The ARM JIT is unaffected because it uses per-thread + # permissions instead of dual-mapped memory. + enable_jit=no + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: JIT disabled due to lack to support on x86 Macs" >&5 +printf "%s\n" "$as_me: WARNING: JIT disabled due to lack to support on x86 Macs" >&2;} + ;; + *) + JIT_ARCH=x86 + ;; + esac ;; *) if test ${enable_jit} = yes; then diff --git a/erts/configure.in b/erts/configure.in index 540cc4b3cb..a684879027 100644 --- a/erts/configure.in +++ b/erts/configure.in @@ -2872,7 +2872,22 @@ AS_IF([test ${enable_jit} != no], if test ${enable_jit} != no; then case "$ARCH" in amd64) - JIT_ARCH=x86 + case "$OPSYS" in + darwin) + # MacOS Sonoma introduced some very annoying popups when + # dual-mapping memory through the documented APIs, and we did + # not wish to start using undocumented functionality in a patch + # release, so we have disabled the JIT on this platform. + # + # The ARM JIT is unaffected because it uses per-thread + # permissions instead of dual-mapped memory. + enable_jit=no + AC_MSG_WARN([JIT disabled due to lack to support on x86 Macs]) + ;; + *) + JIT_ARCH=x86 + ;; + esac ;; *) if test ${enable_jit} = yes; then -- 2.35.3
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