From: Richard Henderson <richard.henderson@linaro.org>
To: Sven Schnelle <svens@stackframe.org>
Cc: qemu-devel@nongnu.org, Richard Henderson <rth@twiddle.net>
Subject: Re: [Qemu-devel] [PATCH 11/11] target/hppa: call eval_interrupt() after ssm
Date: Mon, 11 Mar 2019 21:01:32 -0700 [thread overview]
Message-ID: <3e69c18b-b1a1-4cb8-45fe-6e7574544ab6@linaro.org> (raw)
In-Reply-To: <60efee59-c608-d796-884a-c9cb1ff9a98c@linaro.org>
On 3/11/19 8:28 PM, Richard Henderson wrote:
> On 3/11/19 12:16 PM, Sven Schnelle wrote:
>> HP-UX (all versions) is losing timer interrupts, which leads to
>> hangs. Pressing a key on the console fixes this, so it looks like
>> QEMU is just looping trough TBs without checking for interrupts.
>> Further investion showed that this happens when interrupts are
>> triggered, without PSW_I enabled. Calling eval_interrupt() after
>> PSW_I is set seems to fix this.
>>
>> Signed-off-by: Sven Schnelle <svens@stackframe.org>
>> ---
>> target/hppa/cpu.h | 1 +
>> target/hppa/int_helper.c | 2 +-
>> target/hppa/op_helper.c | 6 ++++++
>> 3 files changed, 8 insertions(+), 1 deletion(-)
>
> The correct fix is to exit to the main loop.
... except what we're already doing that. So I don't see what
can be changed to help. This doesn't seem to make a difference.
r~
next prev parent reply other threads:[~2019-03-12 4:01 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-11 19:15 [Qemu-devel] [PATCH 00/11] target/hppa patches Sven Schnelle
2019-03-11 19:15 ` [Qemu-devel] [PATCH 01/11] target/hppa: fix overwriting source reg in addb Sven Schnelle
2019-03-12 3:24 ` Richard Henderson
2019-03-11 19:15 ` [Qemu-devel] [PATCH 02/11] target/hppa: fix TLB handling for page 0 Sven Schnelle
2019-03-12 3:24 ` Richard Henderson
2019-03-11 19:15 ` [Qemu-devel] [PATCH 03/11] target/hppa: report ITLB_EXCP_MISS for ITLB misses Sven Schnelle
2019-03-12 3:26 ` Richard Henderson
2019-03-11 19:15 ` [Qemu-devel] [PATCH 04/11] target/hppa: add TLB trace events Sven Schnelle
2019-03-12 3:26 ` Richard Henderson
2019-03-11 19:15 ` [Qemu-devel] [PATCH 05/11] target/hppa: remove PSW I/R/Q bit check Sven Schnelle
2019-03-12 3:26 ` Richard Henderson
2019-03-11 19:15 ` [Qemu-devel] [PATCH 06/11] target/hppa: ignore DIAG opcode Sven Schnelle
2019-03-12 0:22 ` Richard Henderson
2019-03-11 19:15 ` [Qemu-devel] [PATCH 07/11] target/hppa: fix b,gate instruction Sven Schnelle
2019-03-12 1:17 ` Richard Henderson
2019-03-11 19:15 ` [Qemu-devel] [PATCH 08/11] target/hppa: allow multiple itlbp without itlba Sven Schnelle
2019-03-12 1:22 ` Richard Henderson
2019-03-11 19:16 ` [Qemu-devel] [PATCH 09/11] target/hppa: add TLB protection id check Sven Schnelle
2019-03-12 3:23 ` Richard Henderson
2019-03-11 19:16 ` [Qemu-devel] [PATCH 10/11] target/hppa: exit TB if either Data or Instruction TLB changes Sven Schnelle
2019-03-12 3:27 ` Richard Henderson
2019-03-11 19:16 ` [Qemu-devel] [PATCH 11/11] target/hppa: call eval_interrupt() after ssm Sven Schnelle
2019-03-12 3:28 ` Richard Henderson
2019-03-12 4:01 ` Richard Henderson [this message]
2019-03-11 19:48 ` [Qemu-devel] [PATCH 00/11] target/hppa patches no-reply
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