From: miles@lsi.nec.co.jp (Miles Bader)
To: Linus Torvalds <torvalds@transmeta.com>
Cc: linux-kernel@vger.kernel.org
Subject: [PATCH][v850] Remove some unneeded register saving on the v850
Date: Mon, 21 Apr 2003 14:13:03 +0900 (JST) [thread overview]
Message-ID: <20030421051303.E021B3715@mcspd15.ucom.lsi.nec.co.jp> (raw)
These registers are now saved in a difference place, but the old code
was inadvertently left in.
diff -ruN -X../cludes linux-2.5.68-uc0/arch/v850/kernel/entry.S linux-2.5.68-uc0-v850-20030421/arch/v850/kernel/entry.S
--- linux-2.5.68-uc0/arch/v850/kernel/entry.S 2003-04-21 10:52:40.000000000 +0900
+++ linux-2.5.68-uc0-v850-20030421/arch/v850/kernel/entry.S 2003-04-21 11:27:09.000000000 +0900
@@ -610,10 +627,9 @@
br restore_extra_regs_and_ret_from_trap
END(sys_sigreturn_wrapper)
L_ENTRY(sys_rt_sigreturn_wrapper):
- SAVE_EXTRA_STATE(TRAP) // Save state not saved by entry.
movea PTO, sp, r6 // add user context as 1st arg
mov hilo(CSYM(sys_rt_sigreturn)), r18 // syscall function
- jarl save_extra_state_tramp, lp // Save state and do it
+ jarl save_extra_state_tramp, lp // Save state and do it
br restore_extra_regs_and_ret_from_trap
END(sys_rt_sigreturn_wrapper)
next reply other threads:[~2003-04-21 5:03 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-04-21 5:13 Miles Bader [this message]
2003-05-06 3:09 [PATCH][v850] Remove some unneeded register saving on the v850 Miles Bader
2003-05-27 9:21 Miles Bader
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