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authorPeter Maydell2018-10-09 20:40:17 +0200
committerLaurent Vivier2018-10-18 20:17:49 +0200
commit6d5bb0b896f9954c98d85c8835a75bb3a041de41 (patch)
tree33d857a70e8d3b0175774082380955789f97a0b8 /linux-user/sparc
parentlinux-user: Suppress address-of-packed-member warnings in __get/put_user_e (diff)
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linux-user/sparc/signal.c: Remove unnecessary comment
Remove a comment suggesting that we need to call tb_flush() after writing the SPARC signal frame trampoline insns. This isn't necessary in QEMU, because (even if the guest architecture requires explicit icache maintenance) we ensure that memory writes result in invalidation of translated code from that memory. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-Id: <20181009184017.15675-1-peter.maydell@linaro.org> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Diffstat (limited to 'linux-user/sparc')
-rw-r--r--linux-user/sparc/signal.c4
1 files changed, 0 insertions, 4 deletions
diff --git a/linux-user/sparc/signal.c b/linux-user/sparc/signal.c
index b4c60aa446..e44e99993c 100644
--- a/linux-user/sparc/signal.c
+++ b/linux-user/sparc/signal.c
@@ -258,10 +258,6 @@ void setup_frame(int sig, struct target_sigaction *ka,
__put_user(val32, &sf->insns[1]);
if (err)
goto sigsegv;
-
- /* Flush instruction space. */
- // flush_sig_insns(current->mm, (unsigned long) &(sf->insns[0]));
- // tb_flush(env);
}
unlock_user(sf, sf_addr, sizeof(struct target_signal_frame));
return;