profiles: Nuke cpu_flags_x86_mpx, #588632

Remove the mpx flag from CPU_FLAGS_X86. Since mpx has memory and
performance costs, this is not a flag users expect to have automatically
enabled based on CPU abilities.

diff --git a/profiles/arch/amd64/use.mask b/profiles/arch/amd64/use.mask
index acdbc576c6fe55856b60d7465014143ae363a625..2fa98678ec7a268a34987d5e95404975a735713a 100644 (file)
--- a/profiles/arch/amd64/use.mask
+++ b/profiles/arch/amd64/use.mask
@@ -173,7 +173,6 @@
 -cpu_flags_x86_fma4
 -cpu_flags_x86_mmx
 -cpu_flags_x86_mmxext
--cpu_flags_x86_mpx
 -cpu_flags_x86_padlock
 -cpu_flags_x86_popcnt
 -cpu_flags_x86_sse

diff --git a/profiles/arch/x86/use.mask b/profiles/arch/x86/use.mask
index bb9bd5852a596ed4ebd4905c40fa81f75813bd21..e9c61772dd44bb8792e6481c36dfb558ec2eb56c 100644 (file)
--- a/profiles/arch/x86/use.mask
+++ b/profiles/arch/x86/use.mask
@@ -140,7 +140,6 @@
 -cpu_flags_x86_fma4
 -cpu_flags_x86_mmx
 -cpu_flags_x86_mmxext
--cpu_flags_x86_mpx
 -cpu_flags_x86_padlock
 -cpu_flags_x86_popcnt
 -cpu_flags_x86_sse

diff --git a/profiles/base/use.mask b/profiles/base/use.mask
index f3ee0650c50cefb3c34842f821a903e316395148..5d34ee4dc6d0b71eb62fcbfabd4b667b6f5a0df6 100644 (file)
--- a/profiles/base/use.mask
+++ b/profiles/base/use.mask
@@ -101,7 +101,6 @@ cpu_flags_x86_fma3
 cpu_flags_x86_fma4
 cpu_flags_x86_mmx
 cpu_flags_x86_mmxext
-cpu_flags_x86_mpx
 cpu_flags_x86_padlock
 cpu_flags_x86_popcnt
 cpu_flags_x86_sse

diff --git a/profiles/desc/cpu_flags_x86.desc b/profiles/desc/cpu_flags_x86.desc
index 4a12cc6a952683f1e4fbd24aefd55d56771a8667..7aaab7ee1a69ac2b72b78d57a6479ea4814b5796 100644 (file)
--- a/profiles/desc/cpu_flags_x86.desc
+++ b/profiles/desc/cpu_flags_x86.desc
@@ -15,7 +15,6 @@ fma3 - Use the Fused Multiply Add 3 instruction set ([fma] in cpuinfo)
 fma4 - Use the Fused Multiply Add 4 instruction set
 mmx - Use the MMX instruction set
 mmxext - Use the Extended MMX instruction set (a subset of SSE) ([mmxext] or [sse] in cpuinfo)
-mpx - Use Memory Protection Extensions (MPX)
 padlock - Use VIA padlock instructions ([phe] in cpuinfo)
 popcnt - Enable popcnt instruction support ([abm] or [popcnt] in cpuinfo)
 sse - Use the SSE instruction set