Revert: parisc: Use F_EXTEND() macro in iosapic code
authorHelge Deller <deller@gmx.de>
Mon, 18 Mar 2019 21:56:15 +0000 (22:56 +0100)
committerHelge Deller <deller@gmx.de>
Sat, 6 Apr 2019 17:07:55 +0000 (19:07 +0200)
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

index 1be571c20062c53341e141791b7137bae129ec6e..6bad04cbb1d37b8e9a6227e8d05eca6ce8545642 100644 (file)
 #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