The patch titled
Subject: [PATCH] Introduce load_TLS to the "for" loop.
has been added to the -mm tree. Its filename is
introduce-load_tls-to-the-for-loop.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: Subject: [PATCH] Introduce load_TLS to the "for" loop.
From: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
GCC (4.1 at least) unrolls it anyway, but I can't believe this code
was ever justifiable. (I've also submitted a patch which cleans up
i386, which is even uglier).
Signed-off-by: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
Cc: Andi Kleen <ak@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/asm-x86_64/desc.h | 11 ++++-------
1 file changed, 4 insertions(+), 7 deletions(-)
diff -puN include/asm-x86_64/desc.h~introduce-load_tls-to-the-for-loop include/asm-x86_64/desc.h
--- a/include/asm-x86_64/desc.h~introduce-load_tls-to-the-for-loop
+++ a/include/asm-x86_64/desc.h
@@ -145,16 +145,13 @@ static inline void set_seg_base(unsigned
(info)->useable == 0 && \
(info)->lm == 0)
-#if TLS_SIZE != 24
-# error update this code.
-#endif
-
static inline void load_TLS(struct thread_struct *t, unsigned int cpu)
{
+ unsigned int i;
u64 *gdt = (u64 *)(cpu_gdt(cpu) + GDT_ENTRY_TLS_MIN);
- gdt[0] = t->tls_array[0];
- gdt[1] = t->tls_array[1];
- gdt[2] = t->tls_array[2];
+
+ for (i = 0; i < GDT_ENTRY_TLS_ENTRIES; i++)
+ gdt[i] = t->tls_array[i];
}
/*
_
Patches currently in -mm which might be from rusty@xxxxxxxxxxxxxxx are
futex-restartable-futex_wait.patch
futex-restartable-futex_wait-fix.patch
i386-vdso_prelink-warning-fix.patch
cleanup-initialize-esp0-properly-all-the-time.patch
lguest-preparation-export_symbol_gpl-5-functions.patch
lguest-preparation-expose-futex-infrastructure.patch
lguest-kconfig-and-headers.patch
lguest-the-host-code-lgko.patch
lguest-the-host-code-lgko-cleanup-allocate-separate-pages-for-switcher-code.patch
lguest-the-host-code-lgko-cleanup-clean-up-regs-save-restore.patch
lguest-the-host-code-lgko-pin-stack-page-optimization.patch
lguest-guest-code.patch
lguest-makefile.patch
lguest-use-read-only-pages-rather-than-segments-to-protect-high-mapped-switcher.patch
lguest-optimize-away-copy-in-and-out-of-per-cpu-guest-pages.patch
lguest-dont-crash-host-on-nmi.patch
lguest-trivial-guest-network-driver.patch
lguest-trivial-guest-console-driver.patch
lguest-trivial-guest-block-driver.patch
lguest-trivial-guest-block-driver-lguest-block-device-speedup.patch
lguest-documentatation-and-example-launcher.patch
lguest-documentatation-and-example-launcher-bridging-support-in-example-code.patch
lguest-documentatation-and-example-launcher-bridging-support-in-example-codelguest-documentation-fixes.patch
introduce-load_tls-to-the-for-loop.patch
remove-unused-set_seg_base.patch
clarify-config_reorder-explanation.patch
module-use-krealloc.patch
extend-print_symbol-capability.patch
array_size-check-for-type.patch
____call_usermodehelper-dont-flush_signals.patch
add-ability-to-keep-track-of-callers-of-symbol_getput.patch
add-ability-to-keep-track-of-callers-of-symbol_getput-tidy.patch
update-mtd-use-of-symbol_getput.patch
update-dvb-use-of-symbol_getput.patch
-
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