linux-kernel - [PATCH 5.10 3/6] Hexagon: fix build errors

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Message-Id: <20210709131541.089523545@linuxfoundation.org>
Date:   Fri,  9 Jul 2021 15:21:12 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Sid Manning <sidneym@...eaurora.org>,
        Brian Cain <bcain@...eaurora.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Guenter Roeck <linux@...ck-us.net>
Subject: [PATCH 5.10 3/6] Hexagon: fix build errors

From: Sid Manning <sidneym@...eaurora.org>

commit 788dcee0306e1bdbae1a76d1b3478bb899c5838e upstream.

Fix type-o in ptrace.c.
Add missing include: asm/hexagon_vm.h
Remove superfluous cast.
Replace 'p3_0' with 'preds'.

Signed-off-by: Sid Manning <sidneym@...eaurora.org>
Add -mlong-calls to build flags.
Signed-off-by: Brian Cain <bcain@...eaurora.org>
Tested-by: Nick Desaulniers <ndesaulniers@...gle.com>
Reviewed-by: Nick Desaulniers <ndesaulniers@...gle.com>
Cc: Guenter Roeck <linux@...ck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 arch/hexagon/Makefile            |    3 +++
 arch/hexagon/include/asm/timex.h |    3 ++-
 arch/hexagon/kernel/ptrace.c     |    4 ++--
 3 files changed, 7 insertions(+), 3 deletions(-)

--- a/arch/hexagon/Makefile
+++ b/arch/hexagon/Makefile
@@ -10,6 +10,9 @@ LDFLAGS_vmlinux += -G0
 # Do not use single-byte enums; these will overflow.
 KBUILD_CFLAGS += -fno-short-enums
 
+# We must use long-calls:
+KBUILD_CFLAGS += -mlong-calls
+
 # Modules must use either long-calls, or use pic/plt.
 # Use long-calls for now, it's easier.  And faster.
 # KBUILD_CFLAGS_MODULE += -fPIC
--- a/arch/hexagon/include/asm/timex.h
+++ b/arch/hexagon/include/asm/timex.h
@@ -8,6 +8,7 @@
 
 #include <asm-generic/timex.h>
 #include <asm/timer-regs.h>
+#include <asm/hexagon_vm.h>
 
 /* Using TCX0 as our clock.  CLOCK_TICK_RATE scheduled to be removed. */
 #define CLOCK_TICK_RATE              TCX0_CLK_RATE
@@ -16,7 +17,7 @@
 
 static inline int read_current_timer(unsigned long *timer_val)
 {
-	*timer_val = (unsigned long) __vmgettime();
+	*timer_val = __vmgettime();
 	return 0;
 }
 
--- a/arch/hexagon/kernel/ptrace.c
+++ b/arch/hexagon/kernel/ptrace.c
@@ -35,7 +35,7 @@ void user_disable_single_step(struct tas
 
 static int genregs_get(struct task_struct *target,
 		   const struct user_regset *regset,
-		   srtuct membuf to)
+		   struct membuf to)
 {
 	struct pt_regs *regs = task_pt_regs(target);
 
@@ -54,7 +54,7 @@ static int genregs_get(struct task_struc
 	membuf_store(&to, regs->m0);
 	membuf_store(&to, regs->m1);
 	membuf_store(&to, regs->usr);
-	membuf_store(&to, regs->p3_0);
+	membuf_store(&to, regs->preds);
 	membuf_store(&to, regs->gp);
 	membuf_store(&to, regs->ugp);
 	membuf_store(&to, pt_elr(regs)); // pc