gaspersic/solana
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Fix avx check with newest nightly compiler (#13465)

Browse Source
This commit is contained in:
sakridge
2020-11-09 08:04:34 -08:00
committed by GitHub
parent dab2ad245f
commit c644b05c54
1 changed files with 16 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
core/src/validator.rs
View File

@ -1047,20 +1047,24 @@ fn report_target_features() {
#[cfg(any(target_arch = "x86", target_arch = "x86_64"))]
{
unsafe { check_avx() };
}
}
// Validator binaries built on a machine with AVX support will generate invalid opcodes
// when run on machines without AVX causing a non-obvious process abort. Instead detect
// the mismatch and error cleanly.
#[target_feature(enable = "avx")]
{
unsafe fn check_avx() {
if is_x86_feature_detected!("avx") {
info!("AVX detected");
} else {
error!("Your machine does not have AVX support, please rebuild from source on your machine");
error!(
"Your machine does not have AVX support, please rebuild from source on your machine"
);
process::exit(1);
}
}
}
}
// Get the activated stake percentage (based on the provided bank) that is visible in gossip
fn get_stake_percent_in_gossip(bank: &Bank, cluster_info: &ClusterInfo, log: bool) -> u64 {