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| author | Helmut Grohne <helmut@subdivi.de> | 2023-03-29 20:21:19 +0200 |
|---|---|---|
| committer | Helmut Grohne <helmut@subdivi.de> | 2023-03-29 20:21:19 +0200 |
| commit | 954ba600ffb78b596d9aa95c8b58c8a9adbe4035 (patch) | |
| tree | a0df6e53911bcabc0d8c9d1349c8fb3b75efc603 /bin | |
| parent | af316faaa00c7fc51612a5924eb731ad45189fa6 (diff) | |
| download | debvm-954ba600ffb78b596d9aa95c8b58c8a9adbe4035.tar.gz | |
debvm-run: massively speed up tcg emulation of arm cpus
pauth emulation is very intensive on the CPU and thus there is a
non-cryptographic alternative that provides a speedup of 3 to 4.
https://qemu-project.gitlab.io/qemu/system/arm/cpu-features.html#tcg-vcpu-features
Suggested-by: Arnd Bergmann <arnd@arndb.de>
Reported-by: Emanuele Rocca <ema@debian.org>
Tested-by: Emanuele Rocca <ema@debian.org>
Closes: #1033643
Diffstat (limited to 'bin')
| -rwxr-xr-x | bin/debvm-run | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/bin/debvm-run b/bin/debvm-run index 7da7cd0..6a91ba9 100755 --- a/bin/debvm-run +++ b/bin/debvm-run @@ -269,13 +269,13 @@ case "$KERNELARCH" in MACHINE="type=q35" ;; arm|armel|armhf) - CPU=max + CPU=max,pauth-impdef=on MACHINE="type=virt" MAX_SMP=8 ;; arm64) QEMU=qemu-system-aarch64 - CPU=max + CPU=max,pauth-impdef=on MACHINE="type=virt,gic-version=max" ;; m68k) |