From: Richard Henderson <richard.henderson@linaro.org>
To: Peter Maydell <peter.maydell@linaro.org>,
qemu-arm@nongnu.org, qemu-devel@nongnu.org
Cc: "Shashi Mallela" <shashi.mallela@linaro.org>,
"Alex Bennée" <alex.bennee@linaro.org>
Subject: Re: [PATCH 11/13] hw/intc/arm_gicv3_its: In MAPC with V=0, don't check rdbase field
Date: Thu, 3 Feb 2022 15:24:22 +1100 [thread overview]
Message-ID: <221f3e4b-20f9-a8cd-5999-038f8e68ab1c@linaro.org> (raw)
In-Reply-To: <20220201193207.2771604-12-peter.maydell@linaro.org>
On 2/2/22 06:32, Peter Maydell wrote:
> In the MAPC command, if V=0 this is a request to delete a collection
> table entry and the rdbase field of the command packet will not be
> used. In particular, the specification says that the "UNPREDICTABLE
> if rdbase is not valid" only applies for V=1.
>
> We were doing a check-and-log-guest-error on rdbase regardless of
> whether the V bit was set, and also (harmlessly but confusingly)
> storing the contents of the rdbase field into the updated collection
> table entry. Update the code so that if V=0 we don't check or use
> the rdbase field value.
>
> Signed-off-by: Peter Maydell<peter.maydell@linaro.org>
> ---
> hw/intc/arm_gicv3_its.c | 24 ++++++++++++------------
> 1 file changed, 12 insertions(+), 12 deletions(-)
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
r~
next prev parent reply other threads:[~2022-02-03 4:27 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-01 19:31 [PATCH 00/13] hw/intc/arm_gicv3_its: more cleanups, bugfixes Peter Maydell
2022-02-01 19:31 ` [PATCH 01/13] hw/intc/arm_gicv3_its: Use address_space_map() to access command queue packets Peter Maydell
2022-02-03 2:15 ` Richard Henderson
2022-02-01 19:31 ` [PATCH 02/13] hw/intc/arm_gicv3_its: Keep DTEs as a struct, not a raw uint64_t Peter Maydell
2022-02-03 2:23 ` Richard Henderson
2022-02-01 19:31 ` [PATCH 03/13] hw/intc/arm_gicv3_its: Pass DTEntry to update_dte() Peter Maydell
2022-02-03 2:30 ` Richard Henderson
2022-02-01 19:31 ` [PATCH 04/13] hw/intc/arm_gicv3_its: Keep CTEs as a struct, not a raw uint64_t Peter Maydell
2022-02-03 2:58 ` Richard Henderson
2022-02-01 19:31 ` [PATCH 05/13] hw/intc/arm_gicv3_its: Pass CTEntry to update_cte() Peter Maydell
2022-02-03 3:00 ` Richard Henderson
2022-02-01 19:32 ` [PATCH 06/13] hw/intc/arm_gicv3_its: Fix address calculation in get_ite() and update_ite() Peter Maydell
2022-02-03 3:59 ` Richard Henderson
2022-02-03 10:45 ` Peter Maydell
2022-02-03 22:02 ` Richard Henderson
2022-02-01 19:32 ` [PATCH 07/13] hw/intc/arm_gicv3_its: Avoid nested ifs in get_ite() Peter Maydell
2022-02-03 4:01 ` Richard Henderson
2022-02-01 19:32 ` [PATCH 08/13] hw/intc/arm_gicv3_its: Pass ITE values back from get_ite() via a struct Peter Maydell
2022-02-03 4:05 ` Richard Henderson
2022-02-01 19:32 ` [PATCH 09/13] hw/intc/arm_gicv3_its: Make update_ite() use ITEntry Peter Maydell
2022-02-03 4:09 ` Richard Henderson
2022-02-01 19:32 ` [PATCH 10/13] hw/intc/arm_gicv3_its: Drop TableDesc and CmdQDesc valid fields Peter Maydell
2022-02-03 4:18 ` Richard Henderson
2022-02-01 19:32 ` [PATCH 11/13] hw/intc/arm_gicv3_its: In MAPC with V=0, don't check rdbase field Peter Maydell
2022-02-03 4:24 ` Richard Henderson [this message]
2022-02-01 19:32 ` [PATCH 12/13] hw/intc/arm_gicv3_its: Don't allow intid 1023 in MAPI/MAPTI Peter Maydell
2022-02-03 4:25 ` Richard Henderson
2022-02-01 19:32 ` [PATCH 13/13] hw/intc/arm_gicv3_its: Split error checks Peter Maydell
2022-02-03 4:26 ` Richard Henderson
2022-02-07 17:56 ` [PATCH 00/13] hw/intc/arm_gicv3_its: more cleanups, bugfixes Peter Maydell
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