From: Auger Eric <eric.auger@redhat.com>
To: Jingyi Wang <wangjingyi11@huawei.com>,
drjones@redhat.com, kvm@vger.kernel.org,
kvmarm@lists.cs.columbia.edu
Cc: maz@kernel.org
Subject: Re: [kvm-unit-tests PATCH v2 4/8] arm64: its: Handle its command queue wrapping
Date: Thu, 2 Jul 2020 15:01:47 +0200 [thread overview]
Message-ID: <870ae6e6-0c02-1770-085b-4e031e391a24@redhat.com> (raw)
In-Reply-To: <20200702030132.20252-5-wangjingyi11@huawei.com>
Hi Jingyi,
On 7/2/20 5:01 AM, Jingyi Wang wrote:
> Because micro-bench may send a large number of ITS commands, we
> should handle ITS command queue wrapping as kernel instead of just
> failing the test.
>
> Signed-off-by: Jingyi Wang <wangjingyi11@huawei.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Thanks
Eric
> ---
> lib/arm64/gic-v3-its-cmd.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/lib/arm64/gic-v3-its-cmd.c b/lib/arm64/gic-v3-its-cmd.c
> index 2c208d1..34574f7 100644
> --- a/lib/arm64/gic-v3-its-cmd.c
> +++ b/lib/arm64/gic-v3-its-cmd.c
> @@ -164,8 +164,9 @@ static struct its_cmd_block *its_allocate_entry(void)
> {
> struct its_cmd_block *cmd;
>
> - assert((u64)its_data.cmd_write < (u64)its_data.cmd_base + SZ_64K);
> cmd = its_data.cmd_write++;
> + if ((u64)its_data.cmd_write == (u64)its_data.cmd_base + SZ_64K)
> + its_data.cmd_write = its_data.cmd_base;
> return cmd;
> }
>
>
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next prev parent reply other threads:[~2020-07-02 13:02 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-02 3:01 [kvm-unit-tests PATCH v2 0/8] arm/arm64: Add IPI/LPI/vtimer latency test Jingyi Wang
2020-07-02 3:01 ` [kvm-unit-tests PATCH v2 1/8] arm64: microbench: get correct ipi received num Jingyi Wang
2020-07-02 12:36 ` Auger Eric
2020-07-02 3:01 ` [kvm-unit-tests PATCH v2 2/8] arm64: microbench: Use the funcions for ipi test as the general functions for gic(ipi/lpi/timer) test Jingyi Wang
2020-07-02 5:25 ` Andrew Jones
2020-07-02 8:21 ` Jingyi Wang
2020-07-02 12:36 ` Auger Eric
2020-07-02 3:01 ` [kvm-unit-tests PATCH v2 3/8] arm64: microbench: gic: Add gicv4.1 support for ipi latency test Jingyi Wang
2020-07-02 8:22 ` Marc Zyngier
2020-07-02 9:02 ` Jingyi Wang
2020-07-02 9:17 ` Marc Zyngier
2020-07-02 9:29 ` Jingyi Wang
2020-07-02 12:36 ` Auger Eric
2020-07-02 13:03 ` Marc Zyngier
2020-07-02 12:57 ` Auger Eric
2020-07-02 13:08 ` Marc Zyngier
2020-07-02 13:42 ` Auger Eric
2020-07-03 3:39 ` Jingyi Wang
2020-07-02 21:33 ` Andrew Jones
2020-07-02 3:01 ` [kvm-unit-tests PATCH v2 4/8] arm64: its: Handle its command queue wrapping Jingyi Wang
2020-07-02 13:01 ` Auger Eric [this message]
2020-07-02 3:01 ` [kvm-unit-tests PATCH v2 5/8] arm64: microbench: its: Add LPI latency test Jingyi Wang
2020-07-02 13:13 ` Auger Eric
2020-07-02 3:01 ` [kvm-unit-tests PATCH v2 6/8] arm64: microbench: Allow each test to specify its running times Jingyi Wang
2020-07-02 5:29 ` Andrew Jones
2020-07-02 8:46 ` Jingyi Wang
2020-07-02 13:17 ` Auger Eric
2020-07-02 3:01 ` [kvm-unit-tests PATCH v2 7/8] arm64: microbench: Add time limit for each individual test Jingyi Wang
2020-07-02 5:48 ` Andrew Jones
2020-07-02 8:47 ` Jingyi Wang
2020-07-02 13:23 ` Auger Eric
2020-07-03 3:42 ` Jingyi Wang
2020-07-02 3:01 ` [kvm-unit-tests PATCH v2 8/8] arm64: microbench: Add vtimer latency test Jingyi Wang
2020-07-02 5:44 ` Andrew Jones
2020-07-02 8:56 ` Jingyi Wang
2020-07-02 13:36 ` Auger Eric
2020-07-03 7:41 ` Jingyi Wang
2020-07-03 7:45 ` Auger Eric
2020-07-06 12:23 ` Jingyi Wang
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