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| author | Ashish Kalra <ashish.kalra@amd.com> | 2022-09-28 20:47:12 +0000 |
|---|---|---|
| committer | Ashish Kalra <ashish.kalra@amd.com> | 2022-09-28 20:47:12 +0000 |
| commit | cd1599797a25194b293754293d67b217d739a039 (patch) | |
| tree | 3a6bcf0eeb8d01c4abb5c707211c8ea17eb72f92 /scripts/stackusage | |
| parent | 0aaa1e599bee256b3b15643bbb95e80ce7aa9be5 (diff) | |
| download | cachepc-linux-cd1599797a25194b293754293d67b217d739a039.tar.gz cachepc-linux-cd1599797a25194b293754293d67b217d739a039.zip | |
Revert "KVM: SEV: add cache flush to solve SEV cache incoherency issues"
This reverts commit 683412ccf61294d727ead4a73d97397396e69a6b.
Need to revert this commit to fix soft-lockup and RCU stall issues on
both SNP host and guest. The wbinvd_on_all_cpus() invoked from the
MMU invalidation notifiers as part of this patch adds a lot of additional
overhead and latencies on SNP host kernel especially with large physical
count cpus during NUMA autobalancing and host RMP page fault handling.
Signed-off-by: Ashish Kalra <ashish.kalra@amd.com>
Diffstat (limited to 'scripts/stackusage')
0 files changed, 0 insertions, 0 deletions