| To: | David Daney <ddaney@caviumnetworks.com> |
|---|---|
| Subject: | Re: [PATCH 2/2] MIPS: Move signal trampolines off of the stack. |
| From: | David VomLehn <dvomlehn@cisco.com> |
| Date: | Wed, 22 Apr 2009 10:57:32 -0700 |
| Authentication-results: | sj-dkim-3; header.From=dvomlehn@cisco.com; dkim=pass ( sig from cisco.com/sjdkim3002 verified; ); |
| Cc: | linux-mips@linux-mips.org, ralf@linux-mips.org |
| Dkim-signature: | v=1; a=rsa-sha256; q=dns/txt; l=530; t=1240423052; x=1241287052; c=relaxed/simple; s=sjdkim3002; h=Content-Type:From:Subject:Content-Transfer-Encoding:MIME-Version; d=cisco.com; i=dvomlehn@cisco.com; z=From:=20David=20VomLehn=20<dvomlehn@cisco.com> |Subject:=20Re=3A=20[PATCH=202/2]=20MIPS=3A=20Move=20signal =20trampolines=20off=20of=20the=20stack. |Sender:=20; bh=Z6lFNZuBwLa4bXdMlVEUxri/yoqUYJ42Htj4f3iYvnM=; b=qasB7TuDly6lWvxpAz2Z9AqYAf/8MZUGk1VB7zhEvrmpmQLSJq27MGStmy KBlaQ0+e6hbaIzF5qBD1NO3Ff8zQUp6rRvfsL/9L2lSWDlr02HX7BijVP98H 18eOUjQU7S; |
| In-reply-to: | <1240349605-1921-2-git-send-email-ddaney@caviumnetworks.com> |
| Original-recipient: | rfc822;linux-mips@linux-mips.org |
| References: | <49EE3B0F.3040506@caviumnetworks.com> <1240349605-1921-2-git-send-email-ddaney@caviumnetworks.com> |
| Sender: | linux-mips-bounce@linux-mips.org |
| User-agent: | Mutt/1.5.18 (2008-05-17) |
On Tue, Apr 21, 2009 at 02:33:25PM -0700, David Daney wrote: > This is a follow on to the vdso patch. > > Since all processes now have signal trampolines permanently mapped, we > can use those instead of putting the trampoline on the stack and > invalidating the corresponding icache across all CPUs. We also get > rid of a bunch of ICACHE_REFILLS_WORKAROUND_WAR code. This sure gets rid of some ugly code! > Signed-off-by: David Daney <ddaney@caviumnetworks.com> Reviewed by: David VomLehn <dvomlehn@cisco.com> |
| <Prev in Thread] | Current Thread | [Next in Thread> |
|---|---|---|
| ||
| Previous by Date: | Re: [PATCH 0/2] MIPS: Move signal return trampolines off the stack., David Daney |
|---|---|
| Next by Date: | Re: [PATCH 0/2] MIPS: Move signal return trampolines off the stack., David VomLehn |
| Previous by Thread: | [PATCH 2/2] MIPS: Move signal trampolines off of the stack., David Daney |
| Next by Thread: | Re: [PATCH 0/2] MIPS: Move signal return trampolines off the stack., David VomLehn |
| Indexes: | [Date] [Thread] [Top] [All Lists] |