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authorJesse Brandeburg <jesse.brandeburg@intel.com>2024-02-05 18:29:06 -0800
committerJakub Kicinski <kuba@kernel.org>2024-02-07 09:15:27 -0800
commit75428f537d7cae33c7e4dd726144074f78622c09 (patch)
treeda2002c3748d4161d1e8cfc1997f1beb98f31e3a /MAINTAINERS
parent5001bfe927b594470f3a2484cb410b8b42a47903 (diff)
net: intel: fix old compiler regressions
The kernel build regressions/improvements email contained a couple of issues with old compilers (in fact all the reports were on different architectures, but all gcc 5.5) and the FIELD_PREP() and FIELD_GET() conversions. They're all because an integer #define that should have been declared as unsigned, was shifted to the point that it could set the sign bit. The fix just involves making sure the defines use the "U" identifier on the constants to make sure they're unsigned. Should make the checkers happier. Confirmed with objdump before/after that there is no change to the binaries. Issues were reported as follows: ./drivers/net/ethernet/intel/ice/ice_base.c:238:7: note: in expansion of macro 'FIELD_GET' (FIELD_GET(GLINT_CTL_ITR_GRAN_25_M, regval) == ICE_ITR_GRAN_US)) ^ ./include/linux/compiler_types.h:435:38: error: call to '__compiletime_assert_1093' declared with attribute error: FIELD_GET: mask is not constant drivers/net/ethernet/intel/ice/ice_nvm.c:709:16: note: in expansion of macro ‘FIELD_GET’ orom->major = FIELD_GET(ICE_OROM_VER_MASK, combo_ver); ^ ./include/linux/compiler_types.h:435:38: error: call to ‘__compiletime_assert_796’ declared with attribute error: FIELD_GET: mask is not constant drivers/net/ethernet/intel/ice/ice_common.c:945:18: note: in expansion of macro ‘FIELD_GET’ u8 max_agg_bw = FIELD_GET(GL_PWR_MODE_CTL_CAR_MAX_BW_M, ^ ./include/linux/compiler_types.h:435:38: error: call to ‘__compiletime_assert_420’ declared with attribute error: FIELD_GET: mask is not constant drivers/net/ethernet/intel/i40e/i40e_dcb.c:458:8: note: in expansion of macro ‘FIELD_GET’ oui = FIELD_GET(I40E_LLDP_TLV_OUI_MASK, ouisubtype); ^ Reported-by: Geert Uytterhoeven <geert@linux-m68k.org> Closes: https://lore.kernel.org/lkml/d03e90ca-8485-4d1b-5ec1-c3398e0e8da@linux-m68k.org/ #i40e #ice Fixes: 62589808d73b ("i40e: field get conversion") Fixes: 5a259f8e0baf ("ice: field get conversion") Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Link: https://lore.kernel.org/r/20240206022906.2194214-1-jesse.brandeburg@intel.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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