The poorly named uvm.h is generally supposed to be for uvm-internal
users only.
- Narrow it to files that actually need it -- mostly files that need
to query whether curlwp is the pagedaemon, which should maybe be
exposed by an external header.
- Use uvm_extern.h where feasible and uvm_*.h for things not exposed
by it. We should split up uvm_extern.h but this will serve for now
to reduce the uvm.h dependencies.
- Use uvm_stat.h and #ifdef UVMHIST uvm.h for files that use
UVMHIST(ubchist), since ubchist is declared in uvm.h but the
reference evaporates if UVMHIST is not defined, so we reduce header
file dependencies.
- Make uvm_device.h and uvm_swap.h independently includable while
here.
ok chs@
This only makes a difference for Hash_Table keys outside the ASCII
character set, and these are barely used in practice, if at all.
The effects of this change can only be seen in debug mode, when printing
the full contents of the variable namespaces. In this output, the order
of the entries might change.
All other use cases stay the same as before.
Hash collisions may slow down make in certain special situations. There
is no point though in maliciously triggering such a situation since
anyone who can inject values into makefiles can easily run shell
commands using the :!cmd! modifier or similar mechanisms. Crafting
variable names just to slow down make is thus not an attack vector.
This program is much more complicated than sort-list in the same
directory. It takes care of aligning the fields of the lines so that
lines from the same directory are aligned to each other. This reduces
horizontal jumps for the category and flags fields.
to build in mknative using gcc makefiles, and our locale changes break
the "normal" build of this.
make sure MKNATIVE_TARGET is always set. since mknative-gcc doesn't
care about the version any more (we keep two versions for gcc/gcc.old)
simply set it to "gcc".
- live patching support
- shell completion help
- generally better diagnostic output (less verbose/more useful)
- diagnostics and optimisation choices can be emitted in json
- asan memory usage reduction
- many general, and specific to switch, inter-procedure,
profile and link-time optimisations. from the release notes:
"Overall compile time of Firefox 66 and LibreOffice 6.2.3 on
an 8-core machine was reduced by about 5% compared to GCC 8.3"
- OpenMP 5.0 support
- better spell-guesser
- partial experimental support for c2x and c++2a
- c++17 is no longer experimental
- arm AAPCS GCC 6-8 structure passing bug fixed, may cause
incompatibility (restored compat with GCC 5 and earlier.)
- openrisc support
- Rename: CPUID_PN -> CPUID_PSN
CPUID_CFLUSH -> CPUID_CLFSH
CPUID_SBF -> CPUID_PBE
CPUID_LZCNT -> CPUID_ABM
CPUID_P1GB -> CPUID_PAGE1GB
CPUID2_PCLMUL -> CPUID2_PCLMULQDQ
CPUID2_CID -> CPUID2_CNXTID
CPUID2_xTPR -> CPUID2_XTPR
CPUID2_AES -> CPUID2_AESNI
To match the x86 specification and the other OSes.
- Remove: CPUID_B10, CPUID_B20, CPUID_IA64. They do not exist.
