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Re: [Qemu-ppc] [3/3] powerpc: Update TM user feature bits in scan_featur
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From: |
Michael Ellerman |
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Subject: |
Re: [Qemu-ppc] [3/3] powerpc: Update TM user feature bits in scan_features() |
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Date: |
Tue, 19 Apr 2016 20:09:43 +1000 (AEST) |
On Fri, 2016-15-04 at 02:08:19 UTC, Unknown sender due to SPF wrote:
> We need to update the user TM feature bits (PPC_FEATURE2_HTM and
> PPC_FEATURE2_HTM) to mirror what we do with the kernel TM feature
> bit.
>
> At the moment, if firmware reports TM is not available we turn off
> the kernel TM feature bit but leave the userspace ones on. Userspace
> thinks it can execute TM instructions and it dies trying.
>
> This (together with a QEMU patch) fixes PR KVM, which doesn't currently
> support TM.
>
> Signed-off-by: Anton Blanchard <address@hidden>
> Cc: address@hidden
Applied to powerpc fixes, thanks.
https://git.kernel.org/powerpc/c/4705e02498d6d5a7ab98dfee95
cheers
- Re: [Qemu-ppc] powerpc: Clear user CPU feature bits if TM is disabled at runtime, (continued)
- [Qemu-ppc] [PATCH 1/3] powerpc: scan_features() updates incorrect bits, Anton Blanchard, 2016/04/14
- Re: [Qemu-ppc] [1/3] powerpc: scan_features() updates incorrect bits, Michael Ellerman, 2016/04/15
- Re: [Qemu-ppc] [1/3] powerpc: scan_features() updates incorrect bits, Michael Ellerman, 2016/04/18
- Re: [Qemu-ppc] [1/3] powerpc: scan_features() updates incorrect bits, Michael Ellerman, 2016/04/18
- [Qemu-ppc] [PATCH v2 1/3] powerpc: scan_features() updates incorrect bits for REAL_LE, Michael Ellerman, 2016/04/18
- Re: [Qemu-ppc] [v2, 1/3] powerpc: scan_features() updates incorrect bits for REAL_LE, Michael Ellerman, 2016/04/19
- [Qemu-ppc] [PATCH 2/3] powerpc: Update cpu_user_features2 in scan_features(), Anton Blanchard, 2016/04/14
- [Qemu-ppc] [PATCH 3/3] powerpc: Update TM user feature bits in scan_features(), Anton Blanchard, 2016/04/14
- Re: [Qemu-ppc] [3/3] powerpc: Update TM user feature bits in scan_features(),
Michael Ellerman <=