File x86-haswell-string-flags.patch of Package glibc.30547

2018-10-23  Adhemerval Zanella  <adhemerval.zanella@linaro.org>

	[BZ #23709]
	* sysdeps/x86/cpu-features.c (init_cpu_features): Set TSX bits
	independently of other flags.

 2017-12-18  Joseph Myers  <joseph@codesourcery.com>
 
 	* nptl/tst-attr3.c: Include <libc-diag.h>.
Index: glibc-2.26/sysdeps/x86/cpu-features.c
===================================================================
--- glibc-2.26.orig/sysdeps/x86/cpu-features.c
+++ glibc-2.26/sysdeps/x86/cpu-features.c
@@ -281,7 +281,13 @@ init_cpu_features (struct cpu_features *
 		    | bit_arch_Fast_Unaligned_Copy
 		    | bit_arch_Prefer_PMINUB_for_stringop);
 	      break;
+	    }
 
+	 /* Disable TSX on some Haswell processors to avoid TSX on kernels that
+	    weren't updated with the latest microcode package (which disables
+	    broken feature by default).  */
+	 switch (model)
+	    {
 	    case 0x3f:
 	      /* Xeon E7 v3 with stepping >= 4 has working TSX.  */
 	      if (stepping >= 4)