commit c2f8d7cb32cd95e3005bed58ce02afa686b9f357
author Helge Deller <deller@gmx.de> Mon Mar 18 22:56:15 2019 +0100
committer Helge Deller <deller@gmx.de> Sat Apr 06 19:07:55 2019 +0200
tree b09653ebbcea70bfa28d02eff1a4c7772edbaa62
parent f654f0fc0bd3f1b0ec76e654bf1cc21f33382241

Revert: parisc: Use F_EXTEND() macro in iosapic code

Revert parts of commit 97d7e2e3fd8a ("parisc: Use F_EXTEND() macro in
iosapic code"). It breaks booting the 32-bit kernel on some machines.

Reported-by: Sven Schnelle <svens@stackframe.org>
Tested-by: Sven Schnelle <svens@stackframe.org>
Fixes: 97d7e2e3fd8a ("parisc: Use F_EXTEND() macro in iosapic code")
Signed-off-by: Helge Deller <deller@gmx.de>

drivers/parisc/iosapic.c

diff --git a/drivers/parisc/iosapic.c b/drivers/parisc/iosapic.c
index 1be571c..6bad04c 100644
--- a/drivers/parisc/iosapic.c
+++ b/drivers/parisc/iosapic.c
@@ -157,8 +157,12 @@
 #define DBG_IRT(x...)
 #endif
 
+#ifdef CONFIG_64BIT
+#define COMPARE_IRTE_ADDR(irte, hpa)	((irte)->dest_iosapic_addr == (hpa))
+#else
 #define COMPARE_IRTE_ADDR(irte, hpa)	\
-		((irte)->dest_iosapic_addr == F_EXTEND(hpa))
+		((irte)->dest_iosapic_addr == ((hpa) | 0xffffffff00000000ULL))
+#endif
 
 #define IOSAPIC_REG_SELECT              0x00
 #define IOSAPIC_REG_WINDOW              0x10