From: Huang Shijie <shijie8@gmail.com>
To: Ravi Bangoria <ravi.bangoria@amd.com>
Cc: Huang Shijie <huangsj@hygon.cn>,
peterz@infradead.org, mingo@redhat.com, acme@kernel.org,
namhyung@kernel.org, zhongyuan@hygon.cn, fangbaoshun@hygon.cn,
yingzhiwei@hygon.cn, mark.rutland@arm.com,
alexander.shishkin@linux.intel.com, jolsa@kernel.org,
irogers@google.com, adrian.hunter@intel.com,
james.clark@linaro.org, tglx@kernel.org, bp@alien8.de,
dave.hansen@linux.intel.com, x86@kernel.org, hpa@zytor.com,
linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org,
liuqi@hygon.cn, lijing@hygon.cn, wangfengyu@hygon.cn,
wujianyong@hygon.cn, 1537577747@qq.com
Subject: Re: [PATCH] perf/amd/ibs: add phy_addr_only software filter for ibs_op
Date: Fri, 30 Oct 2026 19:31:55 +0800 [thread overview]
Message-ID: <auSAK3OuOOqWtKfZ@hsj-2U-Workstation> (raw)
In-Reply-To: <f151155a-54c1-41b1-8905-2347a1404001@amd.com>
在 Fri, Oct 30, 2026 at 09:45:03AM +0530，Ravi Bangoria 写道：
>
> The BPF filter is giving more accurate data here because neither kernel
> nor userspace should access the first physical page:
>
> $ sudo head -1 /proc/iomem
> 00000000-00000fff : Reserved
Yes.
But I can change the patch to skip the first physical page too.
Thanks
Huang Shijie
prev parent reply other threads:[~2026-10-30 11:32 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-02 8:52 Huang Shijie
2026-10-27 9:14 ` Ravi Bangoria
2026-10-28 7:52 ` Huang Shijie
2026-10-29 4:08 ` Ravi Bangoria
2026-10-29 11:17 ` Huang Shijie
2026-10-30 4:15 ` Ravi Bangoria
2026-10-30 11:31 ` Huang Shijie [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=auSAK3OuOOqWtKfZ@hsj-2U-Workstation \
--to=shijie8@gmail.com \
--cc=1537577747@qq.com \
--cc=acme@kernel.org \
--cc=adrian.hunter@intel.com \
--cc=alexander.shishkin@linux.intel.com \
--cc=bp@alien8.de \
--cc=dave.hansen@linux.intel.com \
--cc=fangbaoshun@hygon.cn \
--cc=hpa@zytor.com \
--cc=huangsj@hygon.cn \
--cc=irogers@google.com \
--cc=james.clark@linaro.org \
--cc=jolsa@kernel.org \
--cc=lijing@hygon.cn \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-perf-users@vger.kernel.org \
--cc=liuqi@hygon.cn \
--cc=mark.rutland@arm.com \
--cc=mingo@redhat.com \
--cc=namhyung@kernel.org \
--cc=peterz@infradead.org \
--cc=ravi.bangoria@amd.com \
--cc=tglx@kernel.org \
--cc=wangfengyu@hygon.cn \
--cc=wujianyong@hygon.cn \
--cc=x86@kernel.org \
--cc=yingzhiwei@hygon.cn \
--cc=zhongyuan@hygon.cn \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®