| To: | David Daney <ddaney.cavm@gmail.com> |
|---|---|
| Subject: | Re: [PATCH RFC 1/5] scripts: Add sortextable to sort the kernel's exception table. |
| From: | "H. Peter Anvin" <hpa@kernel.org> |
| Date: | Sun, 20 Nov 2011 15:26:15 -0800 |
| Cc: | linux-mips@linux-mips.org, ralf@linux-mips.org, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, linux-embedded@vger.kernel.org, x86@kernel.org, David Daney <david.daney@cavium.com> |
| In-reply-to: | <1321645068-20475-2-git-send-email-ddaney.cavm@gmail.com> |
| Organization: | Linux Kernel Organization, Inc. |
| References: | <1321645068-20475-1-git-send-email-ddaney.cavm@gmail.com> <1321645068-20475-2-git-send-email-ddaney.cavm@gmail.com> |
| Sender: | linux-mips-bounce@linux-mips.org |
| User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:7.0.1) Gecko/20110930 Thunderbird/7.0.1 |
On 11/18/2011 11:37 AM, David Daney wrote:
> From: David Daney <david.daney@cavium.com>
>
> Using this build-time sort saves time booting as we don't have to burn
> cycles sorting the exception table.
>
If we're going to do this at build time, I would suggest using a
collisionless hash instead. The lookup time for those are O(1), but
they definitely need to be done at build time.
-hpa
|
| Previous by Date: | Re: [PATCH RFC 1/5] scripts: Add sortextable to sort the kernel's exception table., Mike Frysinger |
|---|---|
| Next by Date: | Re: [PATCH RFC 1/5] scripts: Add sortextable to sort the kernel's exception table., H. Peter Anvin |
| Previous by Thread: | Re: [PATCH RFC 1/5] scripts: Add sortextable to sort the kernel's exception table., Mike Frysinger |
| Next by Thread: | Re: [PATCH RFC 1/5] scripts: Add sortextable to sort the kernel's exception table., H. Peter Anvin |
| Indexes: | [Date] [Thread] [Top] [All Lists] |