On Wed, Feb 05, 2025 at 09:15:43AM +0000, Bruce Richardson wrote: > On Tue, Feb 04, 2025 at 10:54:24AM -0800, Andre Muezerie wrote: > > Macro __SIZEOF_LONG__ is not standardized and MSVC does not define it. > > Therefore the errors below are seen with MSVC: > > > > ../lib/mldev/mldev_utils_scalar.c(465): error C2065: > > '__SIZEOF_LONG__': undeclared identifier > > ../lib/mldev/mldev_utils_scalar.c(478): error C2051: > > case expression not constant > > > > ../lib/mldev/mldev_utils_scalar_bfloat16.c(33): error C2065: > > '__SIZEOF_LONG__': undeclared identifier > > ../lib/mldev/mldev_utils_scalar_bfloat16.c(49): error C2051: > > case expression not constant > > > > Turns out that the places where __SIZEOF_LONG__ is currently > > being used can equally well use sizeof(long) instead. > > > > v4: > > * rebased on latest main as previous patch was not applying cleanly > > anymore. > > > > v3: > > * added prefix RTE_ to BITS_PER_LONG* and moved them to rte_common.h > > * defined PLT_BITS_PER_LONG* in drivers/common/cnxk/roc_platform.h to > > avoid warnings from checkpatches.sh like: > > > > Warning in drivers/common/cnxk/roc_bits.h: > > Warning in drivers/common/cnxk/roc_ie_ot.h: > > Warning in drivers/common/cnxk/roc_ie_ot_tls.h: > > Use plt_ symbols instead of rte_ API in cnxk base driver > > > > It can be seen that the same was done in the past for similar > > macros like PLT_CACHE_LINE_SIZE > > > > v2: > > * fixed typo in commit message > > > > Andre Muezerie (7): > > eal: eliminate dependency on non-portable __SIZEOF_LONG__ > > drivers/bus: eliminate dependency on non-portable __SIZEOF_LONG__ > > drivers/common: eliminate dependency on non-portable __SIZEOF_LONG__ > > drivers/dma: eliminate dependency on non-portable __SIZEOF_LONG__ > > drivers/net: eliminate dependency on non-portable __SIZEOF_LONG__ > > drivers/raw: eliminate dependency on non-portable __SIZEOF_LONG__ > > mldev: eliminate dependency on non-portable __SIZEOF_LONG__ > > > Just out of interest, is there are reason why the simple solution of just > putting "#define __SIZEOF_LONG__ (sizeof(long))" in a header file for MSVC > is not done? Should be a couple of lines in a single patch, rather than a > 7-patch series, no? > > After all, just because something is non-standard, doesn't mean that we > can't use it if its widely available. > > /Bruce
Yes, that can be done instead. I'll send out a new series with that approach.