From: Maciej Fijalkowski Date: Mon, 7 Mar 2022 23:13:53 +0000 (+0100) Subject: ice: xsk: fix GCC version checking against pragma unroll presence X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=13d04d79701ba240969b296903de14db3734ab25;p=linux.git ice: xsk: fix GCC version checking against pragma unroll presence Pragma unroll was introduced around GCC 8, whereas current xsk code in ice that prepares loop_unrolled_for macro that is based on mentioned pragma, compares GCC version against 4, which is wrong and Stephen found this out by compiling kernel with GCC 5.4 [0]. Fix this mistake and check if GCC version is >= 8. [0]: https://lore.kernel.org/netdev/20220307213659.47658125@canb.auug.org.au/ Fixes: 126cdfe1007a ("ice: xsk: Improve AF_XDP ZC Tx and use batching API") Reported-by: Stephen Rothwell Signed-off-by: Maciej Fijalkowski Link: https://lore.kernel.org/r/20220307231353.56638-1-maciej.fijalkowski@intel.com Signed-off-by: Jakub Kicinski --- diff --git a/drivers/net/ethernet/intel/ice/ice_xsk.h b/drivers/net/ethernet/intel/ice/ice_xsk.h index 0cbb5793b5b88..123bb98ebfbed 100644 --- a/drivers/net/ethernet/intel/ice/ice_xsk.h +++ b/drivers/net/ethernet/intel/ice/ice_xsk.h @@ -10,7 +10,7 @@ #ifdef __clang__ #define loop_unrolled_for _Pragma("clang loop unroll_count(8)") for -#elif __GNUC__ >= 4 +#elif __GNUC__ >= 8 #define loop_unrolled_for _Pragma("GCC unroll 8") for #else #define loop_unrolled_for for