From: Andi Kleen <ak@suse.de>
Date: Tue, 26 Sep 2006 08:52:41 +0000 (+0200)
Subject: [PATCH] Remove all traces of signal number conversion
X-Git-Tag: firefly_0821_release~33451^2~14
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=dd54a11004b2c9a1f136225f880e021a43b0eadc;p=firefly-linux-kernel-4.4.55.git

[PATCH] Remove all traces of signal number conversion

This was old code that was needed for iBCS and x86-64 never supported that.

Pointed out by Albert Cahalan
Signed-off-by: Andi Kleen <ak@suse.de>
---

diff --git a/arch/x86_64/ia32/ia32_signal.c b/arch/x86_64/ia32/ia32_signal.c
index 549de439fb2d..2d20f8304b31 100644
--- a/arch/x86_64/ia32/ia32_signal.c
+++ b/arch/x86_64/ia32/ia32_signal.c
@@ -431,15 +431,7 @@ int ia32_setup_frame(int sig, struct k_sigaction *ka,
 	if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))
 		goto give_sigsegv;
 
-	{
-		struct exec_domain *ed = current_thread_info()->exec_domain;
-		err |= __put_user((ed
-		           && ed->signal_invmap
-		           && sig < 32
-		           ? ed->signal_invmap[sig]
-		           : sig),
-		          &frame->sig);
-	}
+	err |= __put_user(sig, &frame->sig);
 	if (err)
 		goto give_sigsegv;
 
diff --git a/arch/x86_64/kernel/signal.c b/arch/x86_64/kernel/signal.c
index 7f58bc9a056d..49ec324cd141 100644
--- a/arch/x86_64/kernel/signal.c
+++ b/arch/x86_64/kernel/signal.c
@@ -277,11 +277,6 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
 #endif
 
 	/* Set up registers for signal handler */
-	{ 
-		struct exec_domain *ed = current_thread_info()->exec_domain;
-		if (unlikely(ed && ed->signal_invmap && sig < 32))
-			sig = ed->signal_invmap[sig];
-	} 
 	regs->rdi = sig;
 	/* In case the signal handler was declared without prototypes */ 
 	regs->rax = 0;