My own experience disagrees. I spent 17 months bringing up a Xeon-D based traffic shaper for 40Gb/s of traffic in a radio base station.
And yes, when collected crunched traffic statistics, it did use more than 4GB of address space to do so. > On Mar 30, 2023, at 5:30 PM, Elliott Mitchell <ehem+open...@m5p.com> wrote: > > Full amd64 support isn't really appropriate for most situations > OpenWRT is deployed. Whereas x86-x32 seems extremely appropriate for > these situations. As such enable x86-x32 support. > > CONFIG_ARCH_MMAP_RND_COMPAT_BITS is required to follow along, > otherwise the kernel build breaks. > > Signed-off-by: Elliott Mitchell <ehem+open...@m5p.com> > --- > I suggest OpenWRT should be placing quite a bit of effort towards > x86-x32. x86-x32 seems a rather superior generic target for OpenWRT. > Only issue is it could be valuable to have at least minimal amd64 > userland support alongside the x86-x32 version. > --- > target/linux/x86/64/config-5.10 | 1 - > target/linux/x86/64/config-5.15 | 1 - > target/linux/x86/config-5.10 | 2 ++ > target/linux/x86/config-5.15 | 2 ++ > 4 files changed, 4 insertions(+), 2 deletions(-) > > diff --git a/target/linux/x86/64/config-5.10 b/target/linux/x86/64/config-5.10 > index 1515f90932..de93495fb1 100644 > --- a/target/linux/x86/64/config-5.10 > +++ b/target/linux/x86/64/config-5.10 > @@ -470,7 +470,6 @@ CONFIG_X86_PM_TIMER=y > # CONFIG_X86_POWERNOW_K8 is not set > # CONFIG_X86_VSYSCALL_EMULATION is not set > CONFIG_X86_X2APIC=y > -# CONFIG_X86_X32 is not set > CONFIG_XEN=y > CONFIG_XENFS=y > CONFIG_XEN_512GB=y > diff --git a/target/linux/x86/64/config-5.15 b/target/linux/x86/64/config-5.15 > index a20891ea55..39e5064e53 100644 > --- a/target/linux/x86/64/config-5.15 > +++ b/target/linux/x86/64/config-5.15 > @@ -493,7 +493,6 @@ CONFIG_X86_PM_TIMER=y > # CONFIG_X86_POWERNOW_K8 is not set > # CONFIG_X86_VSYSCALL_EMULATION is not set > CONFIG_X86_X2APIC=y > -# CONFIG_X86_X32 is not set > CONFIG_XEN=y > CONFIG_XENFS=y > CONFIG_XEN_512GB=y > diff --git a/target/linux/x86/config-5.10 b/target/linux/x86/config-5.10 > index afb7adc63a..8be829d549 100644 > --- a/target/linux/x86/config-5.10 > +++ b/target/linux/x86/config-5.10 > @@ -12,6 +12,7 @@ CONFIG_ARCH_HIBERNATION_POSSIBLE=y > CONFIG_ARCH_MAY_HAVE_PC_FDC=y > CONFIG_ARCH_MIGHT_HAVE_PC_PARPORT=y > CONFIG_ARCH_MIGHT_HAVE_PC_SERIO=y > +CONFIG_ARCH_MMAP_RND_COMPAT_BITS=8 > CONFIG_ARCH_RANDOM=y > CONFIG_ARCH_SELECT_MEMORY_MODEL=y > CONFIG_ARCH_SPARSEMEM_ENABLE=y > @@ -423,6 +424,7 @@ CONFIG_X86_UP_IOAPIC=y > CONFIG_X86_USE_PPRO_CHECKSUM=y > CONFIG_X86_VERBOSE_BOOTUP=y > CONFIG_X86_VMX_FEATURE_NAMES=y > +CONFIG_X86_X32=y > CONFIG_XZ_DEC_BCJ=y > CONFIG_XZ_DEC_X86=y > CONFIG_ZLIB_INFLATE=y > diff --git a/target/linux/x86/config-5.15 b/target/linux/x86/config-5.15 > index b59e809127..afe66b27b1 100644 > --- a/target/linux/x86/config-5.15 > +++ b/target/linux/x86/config-5.15 > @@ -13,6 +13,7 @@ CONFIG_ARCH_MAY_HAVE_PC_FDC=y > CONFIG_ARCH_MHP_MEMMAP_ON_MEMORY_ENABLE=y > CONFIG_ARCH_MIGHT_HAVE_PC_PARPORT=y > CONFIG_ARCH_MIGHT_HAVE_PC_SERIO=y > +CONFIG_ARCH_MMAP_RND_COMPAT_BITS=8 > CONFIG_ARCH_NR_GPIO=512 > CONFIG_ARCH_RANDOM=y > CONFIG_ARCH_SELECT_MEMORY_MODEL=y > @@ -428,6 +429,7 @@ CONFIG_X86_UP_IOAPIC=y > CONFIG_X86_USE_PPRO_CHECKSUM=y > CONFIG_X86_VERBOSE_BOOTUP=y > CONFIG_X86_VMX_FEATURE_NAMES=y > +CONFIG_X86_X32=y > CONFIG_XZ_DEC_BCJ=y > CONFIG_XZ_DEC_X86=y > CONFIG_ZLIB_INFLATE=y > -- > (\___(\___(\______ --=> 8-) EHM <=-- ______/)___/)___/) > \BS ( | ehem+open...@m5p.com PGP 87145445 | ) / > \_CS\ | _____ -O #include <stddisclaimer.h> O- _____ | / _/ > 8A19\___\_|_/58D2 7E3D DDF4 7BA6 <-PGP-> 41D1 B375 37D0 8714\_|_/___/5445 > > > > > _______________________________________________ > openwrt-devel mailing list > openwrt-devel@lists.openwrt.org > https://lists.openwrt.org/mailman/listinfo/openwrt-devel _______________________________________________ openwrt-devel mailing list openwrt-devel@lists.openwrt.org https://lists.openwrt.org/mailman/listinfo/openwrt-devel
