From: Torsten Duwe <duwe@lst.de>
To: Balbir Singh <bsingharora@gmail.com>
Cc: Jiri Kosina <jikos@kernel.org>,
Michael Ellerman <mpe@ellerman.id.au>,
linuxppc-dev@ozlabs.org, pmladek@suse.com, jeyu@redhat.com,
linux-kernel@vger.kernel.org, rostedt@goodmis.org,
kamalesh@linux.vnet.ibm.com, live-patching@vger.kernel.org,
mbenes@suse.cz
Subject: Re: [v3,1/8] powerpc: Create a helper for getting the kernel toc value
Date: Thu, 17 Mar 2016 16:59:28 +0100 [thread overview]
Message-ID: <20160317155928.GB32575@lst.de> (raw)
In-Reply-To: <56E9F332.1070206@gmail.com>
On Thu, Mar 17, 2016 at 10:58:42AM +1100, Balbir Singh wrote:
>
> To be honest I think my v6 works well, but I don't have complete confidence
> due to the lack of proper testing. livepatch samples plus some others I wrote
> and I one Petr wrote all work (calling patched from within patched),
I have outlined a failure scenario for you as a reply to v6 ;)
Question to all: would it be feasible to limit the size of a single module's
.text + TOC to let's say 8MB, and place modules at 10MB granularity? Then it
would be unambiguous: exactly iff the high 40 bits of (TOC-LR) are zero, both
belong to the same module.
Torsten
next prev parent reply other threads:[~2016-03-17 15:59 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-03 4:26 [PATCH v3 1/8] powerpc: Create a helper for getting the kernel toc value Michael Ellerman
2016-03-03 4:26 ` [PATCH v3 2/8] powerpc/module: Only try to generate the ftrace_caller() stub once Michael Ellerman
2016-03-03 4:26 ` [PATCH v3 3/8] powerpc/module: Mark module stubs with a magic value Michael Ellerman
2016-03-03 4:26 ` [PATCH v3 4/8] powerpc/module: Create a special stub for ftrace_caller() Michael Ellerman
2016-03-03 4:26 ` [PATCH v3 5/8] powerpc/ftrace: Use generic ftrace_modify_all_code() Michael Ellerman
2016-03-03 4:26 ` [PATCH v3 6/8] powerpc/ftrace: Use $(CC_FLAGS_FTRACE) when disabling ftrace Michael Ellerman
2016-03-03 4:26 ` [PATCH v3 7/8] powerpc/ftrace: Add support for -mprofile-kernel ftrace ABI Michael Ellerman
2016-03-04 1:57 ` Balbir Singh
2016-03-03 4:27 ` [PATCH v3 8/8] powerpc/ftrace: Add Kconfig & Make glue for mprofile-kernel Michael Ellerman
2016-03-03 6:47 ` [PATCH v3 1/8] powerpc: Create a helper for getting the kernel toc value Kamalesh Babulal
2016-03-04 1:56 ` Balbir Singh
2016-03-14 9:25 ` [v3, " Michael Ellerman
2016-03-15 1:27 ` [v3,1/8] " Jiri Kosina
2016-03-16 10:23 ` Michael Ellerman
2016-03-16 14:58 ` Torsten Duwe
2016-03-16 23:56 ` Balbir Singh
2016-03-16 23:58 ` Balbir Singh
2016-03-17 15:59 ` Torsten Duwe [this message]
2016-03-18 10:52 ` Petr Mladek
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