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Groups > linux.kernel > #1488832
| From | Ralf Baechle <ralf@linux-mips.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v2 2/6] MIPS: tlb-r4k: If there are wired entries, don't use TLBINVF |
| Date | 2016-09-22 14:20 +0200 |
| Message-ID | <skb8S-6eS-5@gated-at.bofh.it> (permalink) |
| References | <sjoUy-Bu-5@gated-at.bofh.it> <sjoUy-Bu-35@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Tue, Sep 20, 2016 at 09:47:25AM +0100, Matt Redfearn wrote: > When adding a wired entry to the TLB via add_wired_entry, the tlb is > flushed with local_flush_tlb_all, which on CPUs with TLBINV results in > the new wired entry being flushed again. > > Behavior of the TLBINV instruction applies to all applicable TLB entries > and is unaffected by the setting of the Wired register. Therefore if > the TLB has any wired entries, fall back to iterating over the entries > rather than blasting them all using TLBINVF. > > Signed-off-by: Matt Redfearn <matt.redfearn@imgtec.com> Queued for 4.9.. Ralf
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[PATCH v2 0/6] MIPS: Remote processor driver Matt Redfearn <matt.redfearn@imgtec.com> - 2016-09-20 10:50 +0200
[PATCH v2 2/6] MIPS: tlb-r4k: If there are wired entries, don't use TLBINVF Matt Redfearn <matt.redfearn@imgtec.com> - 2016-09-20 10:50 +0200
Re: [PATCH v2 2/6] MIPS: tlb-r4k: If there are wired entries, don't use TLBINVF Ralf Baechle <ralf@linux-mips.org> - 2016-09-22 14:20 +0200
[PATCH v2 1/6] irqchip: mips-gic: Add context saving for MIPS_REMOTEPROC Matt Redfearn <matt.redfearn@imgtec.com> - 2016-09-20 10:50 +0200
Re: [PATCH v2 1/6] irqchip: mips-gic: Add context saving for MIPS_REMOTEPROC Thomas Gleixner <tglx@linutronix.de> - 2016-09-20 11:50 +0200
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