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* [glibc] NEWS: Mention PLT rewrite on x86-64
@ 2024-01-16 19:03 H.J. Lu
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From: H.J. Lu @ 2024-01-16 19:03 UTC (permalink / raw)
  To: glibc-cvs

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e2803cfd8bb00b54816d1a2c381d2cf82b136da6

commit e2803cfd8bb00b54816d1a2c381d2cf82b136da6
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Mon Jan 15 09:39:03 2024 -0800

    NEWS: Mention PLT rewrite on x86-64
    
    Mention PLT rewrite on x86-64 for glibc 2.39.

Diff:
---
 NEWS | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/NEWS b/NEWS
index 16afc4f869..72e9d70e1f 100644
--- a/NEWS
+++ b/NEWS
@@ -9,6 +9,10 @@ Version 2.39
 
 Major new features:
 
+* A new tunable, glibc.cpu.plt_rewrite, can be used to enable PLT
+  rewrite on x86-64.  When enabled with non-lazy binding, the dynamic
+  linker will rewrite indirect branches in PLT with direct branches.
+
 * Sync with Linux kernel 6.6 shadow stack interface.  The --enable-cet
   configure option in only supported on x86-64.

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