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authorLinus Torvalds <torvalds@linux-foundation.org>2018-10-24 06:42:00 +0100
committerLinus Torvalds <torvalds@linux-foundation.org>2018-10-24 06:42:00 +0100
commita97a2d4d56ea596871b739d63d41b084733bd9fb (patch)
treee28c9143d5bd4da978caccd137bd193297d5e13e /arch/sparc/include
parentMerge branch 'parisc-4.20-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux (diff)
parentMerge branch 'sparc-vdso' (diff)
downloadlinux-dev-a97a2d4d56ea596871b739d63d41b084733bd9fb.tar.xz
linux-dev-a97a2d4d56ea596871b739d63d41b084733bd9fb.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc
Pull sparc updates from David Miller: "Mostly VDSO cleanups and optimizations" * git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc: sparc: Several small VDSO vclock_gettime.c improvements. sparc: Validate VDSO for undefined symbols. sparc: Really use linker with LDFLAGS. sparc: Improve VDSO CFLAGS. sparc: Set DISABLE_BRANCH_PROFILING in VDSO CFLAGS. sparc: Don't bother masking out TICK_PRIV_BIT in VDSO code. sparc: Inline VDSO gettime code aggressively. sparc: Improve VDSO instruction patching. sparc: Fix parport build warnings.
Diffstat (limited to 'arch/sparc/include')
-rw-r--r--arch/sparc/include/asm/parport.h2
-rw-r--r--arch/sparc/include/asm/thread_info_64.h4
-rw-r--r--arch/sparc/include/asm/vdso.h6
3 files changed, 9 insertions, 3 deletions
diff --git a/arch/sparc/include/asm/parport.h b/arch/sparc/include/asm/parport.h
index 05df5f043053..3c5a1c620f0f 100644
--- a/arch/sparc/include/asm/parport.h
+++ b/arch/sparc/include/asm/parport.h
@@ -21,6 +21,7 @@
*/
#define HAS_DMA
+#ifdef CONFIG_PARPORT_PC_FIFO
static DEFINE_SPINLOCK(dma_spin_lock);
#define claim_dma_lock() \
@@ -31,6 +32,7 @@ static DEFINE_SPINLOCK(dma_spin_lock);
#define release_dma_lock(__flags) \
spin_unlock_irqrestore(&dma_spin_lock, __flags);
+#endif
static struct sparc_ebus_info {
struct ebus_dma_info info;
diff --git a/arch/sparc/include/asm/thread_info_64.h b/arch/sparc/include/asm/thread_info_64.h
index 7fb676360928..20255471e653 100644
--- a/arch/sparc/include/asm/thread_info_64.h
+++ b/arch/sparc/include/asm/thread_info_64.h
@@ -121,8 +121,12 @@ struct thread_info {
}
/* how to get the thread information struct from C */
+#ifndef BUILD_VDSO
register struct thread_info *current_thread_info_reg asm("g6");
#define current_thread_info() (current_thread_info_reg)
+#else
+extern struct thread_info *current_thread_info(void);
+#endif
/* thread information allocation */
#if PAGE_SHIFT == 13
diff --git a/arch/sparc/include/asm/vdso.h b/arch/sparc/include/asm/vdso.h
index 93b628731a5e..56836eb01787 100644
--- a/arch/sparc/include/asm/vdso.h
+++ b/arch/sparc/include/asm/vdso.h
@@ -8,10 +8,10 @@
struct vdso_image {
void *data;
unsigned long size; /* Always a multiple of PAGE_SIZE */
+
+ unsigned long tick_patch, tick_patch_len;
+
long sym_vvar_start; /* Negative offset to the vvar area */
- long sym_vread_tick; /* Start of vread_tick section */
- long sym_vread_tick_patch_start; /* Start of tick read */
- long sym_vread_tick_patch_end; /* End of tick read */
};
#ifdef CONFIG_SPARC64