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authorHelge Deller <deller@gmx.de>2019-03-19 00:56:15 +0300
committerHelge Deller <deller@gmx.de>2019-04-06 20:07:55 +0300
commitc2f8d7cb32cd95e3005bed58ce02afa686b9f357 (patch)
treeb09653ebbcea70bfa28d02eff1a4c7772edbaa62 /drivers/parisc
parentf654f0fc0bd3f1b0ec76e654bf1cc21f33382241 (diff)
downloadlinux-c2f8d7cb32cd95e3005bed58ce02afa686b9f357.tar.xz
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>
Diffstat (limited to 'drivers/parisc')
-rw-r--r--drivers/parisc/iosapic.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/parisc/iosapic.c b/drivers/parisc/iosapic.c
index 1be571c20062..6bad04cbb1d3 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