* qemu-system-riscv64 -cpu host uses wrong privilege spec version
@ 2023-08-14 12:49 Andreas Schwab
2023-08-15 9:22 ` Daniel Henrique Barboza
0 siblings, 1 reply; 3+ messages in thread
From: Andreas Schwab @ 2023-08-14 12:49 UTC (permalink / raw)
To: qemu-devel; +Cc: qemu-riscv
When running a KVM enabled qemu inside a qemu instance, I get these warnings:
$ qemu-system-riscv64 -cpu host -machine virt,accel=kvm
qemu-system-riscv64: warning: disabling h extension for hart 0x0000000000000000 because privilege spec version does not match
qemu-system-riscv64: warning: disabling zicbom extension for hart 0x0000000000000000 because privilege spec version does not match
qemu-system-riscv64: warning: disabling zicboz extension for hart 0x0000000000000000 because privilege spec version does not match
qemu-system-riscv64: warning: disabling zawrs extension for hart 0x0000000000000000 because privilege spec version does not match
qemu-system-riscv64: warning: disabling zba extension for hart 0x0000000000000000 because privilege spec version does not match
qemu-system-riscv64: warning: disabling zbb extension for hart 0x0000000000000000 because privilege spec version does not match
qemu-system-riscv64: warning: disabling zbc extension for hart 0x0000000000000000 because privilege spec version does not match
qemu-system-riscv64: warning: disabling zbs extension for hart 0x0000000000000000 because privilege spec version does not match
qemu-system-riscv64: warning: disabling sstc extension for hart 0x0000000000000000 because privilege spec version does not match
qemu-system-riscv64: warning: disabling svadu extension for hart 0x0000000000000000 because privilege spec version does not match
The qemu instance is running openSUSE Tumbleweed with -cpu rv64,h=on,sv48=on.
--
Andreas Schwab, SUSE Labs, schwab@suse.de
GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE 1748 E4D4 88E3 0EEA B9D7
"And now for something completely different."
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: qemu-system-riscv64 -cpu host uses wrong privilege spec version
2023-08-14 12:49 qemu-system-riscv64 -cpu host uses wrong privilege spec version Andreas Schwab
@ 2023-08-15 9:22 ` Daniel Henrique Barboza
2023-08-15 9:32 ` Andreas Schwab
0 siblings, 1 reply; 3+ messages in thread
From: Daniel Henrique Barboza @ 2023-08-15 9:22 UTC (permalink / raw)
To: Andreas Schwab, qemu-devel; +Cc: qemu-riscv
On 8/14/23 09:49, Andreas Schwab wrote:
> When running a KVM enabled qemu inside a qemu instance, I get these warnings:
>
> $ qemu-system-riscv64 -cpu host -machine virt,accel=kvm
> qemu-system-riscv64: warning: disabling h extension for hart 0x0000000000000000 because privilege spec version does not match
> qemu-system-riscv64: warning: disabling zicbom extension for hart 0x0000000000000000 because privilege spec version does not match
> qemu-system-riscv64: warning: disabling zicboz extension for hart 0x0000000000000000 because privilege spec version does not match
> qemu-system-riscv64: warning: disabling zawrs extension for hart 0x0000000000000000 because privilege spec version does not match
> qemu-system-riscv64: warning: disabling zba extension for hart 0x0000000000000000 because privilege spec version does not match
> qemu-system-riscv64: warning: disabling zbb extension for hart 0x0000000000000000 because privilege spec version does not match
> qemu-system-riscv64: warning: disabling zbc extension for hart 0x0000000000000000 because privilege spec version does not match
> qemu-system-riscv64: warning: disabling zbs extension for hart 0x0000000000000000 because privilege spec version does not match
> qemu-system-riscv64: warning: disabling sstc extension for hart 0x0000000000000000 because privilege spec version does not match
> qemu-system-riscv64: warning: disabling svadu extension for hart 0x0000000000000000 because privilege spec version does not match
>
> The qemu instance is running openSUSE Tumbleweed with -cpu rv64,h=on,sv48=on.
>
This was fixed in 8.1 by eddabb6b88 ("target/riscv: skip features setup for KVM CPUs").
Which QEMU version/branch are you using?
Thanks,
Daniel
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: qemu-system-riscv64 -cpu host uses wrong privilege spec version
2023-08-15 9:22 ` Daniel Henrique Barboza
@ 2023-08-15 9:32 ` Andreas Schwab
0 siblings, 0 replies; 3+ messages in thread
From: Andreas Schwab @ 2023-08-15 9:32 UTC (permalink / raw)
To: Daniel Henrique Barboza; +Cc: qemu-devel, qemu-riscv
On Aug 15 2023, Daniel Henrique Barboza wrote:
> This was fixed in 8.1 by eddabb6b88 ("target/riscv: skip features setup for KVM CPUs").
> Which QEMU version/branch are you using?
Thanks, this was tested with 8.0.4.
--
Andreas Schwab, SUSE Labs, schwab@suse.de
GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE 1748 E4D4 88E3 0EEA B9D7
"And now for something completely different."
^ permalink raw reply [flat|nested] 3+ messages in thread
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2023-08-14 12:49 qemu-system-riscv64 -cpu host uses wrong privilege spec version Andreas Schwab
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