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authorIngo Molnar <mingo@kernel.org>2017-12-01 10:32:48 +0100
committerIngo Molnar <mingo@kernel.org>2017-12-17 12:58:53 +0100
commit0fd2e9c53d82704a3ba87ea1980ec515188c5316 (patch)
treea828c396110053feba9e65307a4e802b00966519 /include
parentdrivers/misc/intel/pti: Rename the header file to free up the namespace (diff)
parentx86/entry/64: Shorten TEST instructions (diff)
downloadlinux-0fd2e9c53d82704a3ba87ea1980ec515188c5316.tar.xz
linux-0fd2e9c53d82704a3ba87ea1980ec515188c5316.zip
Merge commit 'upstream-x86-entry' into WIP.x86/mm
Pull in a minimal set of v4.15 entry code changes, for a base for the MM isolation patches. Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include')
-rw-r--r--include/asm-generic/vmlinux.lds.h2
-rw-r--r--include/linux/bitops.h26
2 files changed, 27 insertions, 1 deletions
diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
index 8acfc1e099e1..63e56f6c1877 100644
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -687,7 +687,7 @@
#define BUG_TABLE
#endif
-#ifdef CONFIG_ORC_UNWINDER
+#ifdef CONFIG_UNWINDER_ORC
#define ORC_UNWIND_TABLE \
. = ALIGN(4); \
.orc_unwind_ip : AT(ADDR(.orc_unwind_ip) - LOAD_OFFSET) { \
diff --git a/include/linux/bitops.h b/include/linux/bitops.h
index d03c5dd6185d..8a7e9924df57 100644
--- a/include/linux/bitops.h
+++ b/include/linux/bitops.h
@@ -228,6 +228,32 @@ static inline unsigned long __ffs64(u64 word)
return __ffs((unsigned long)word);
}
+/*
+ * clear_bit32 - Clear a bit in memory for u32 array
+ * @nr: Bit to clear
+ * @addr: u32 * address of bitmap
+ *
+ * Same as clear_bit, but avoids needing casts for u32 arrays.
+ */
+
+static __always_inline void clear_bit32(long nr, volatile u32 *addr)
+{
+ clear_bit(nr, (volatile unsigned long *)addr);
+}
+
+/*
+ * set_bit32 - Set a bit in memory for u32 array
+ * @nr: Bit to clear
+ * @addr: u32 * address of bitmap
+ *
+ * Same as set_bit, but avoids needing casts for u32 arrays.
+ */
+
+static __always_inline void set_bit32(long nr, volatile u32 *addr)
+{
+ set_bit(nr, (volatile unsigned long *)addr);
+}
+
#ifdef __KERNEL__
#ifndef set_mask_bits