Messages in this thread Patch in this message | | | Date | Tue, 28 Feb 2012 19:46:03 -0000 | From | Thomas Gleixner <> | Subject | [patch 1/4] time: Remove bogus comments |
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There is no global irq lock which makes a syscall magically SMP safe. Remove the outdated comment concerning do_settimeofday() as well.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> --- kernel/time.c | 6 ------ 1 file changed, 6 deletions(-)
Index: linux-3.2/kernel/time.c =================================================================== --- linux-3.2.orig/kernel/time.c +++ linux-3.2/kernel/time.c @@ -163,7 +163,6 @@ int do_sys_settimeofday(const struct tim return error; if (tz) { - /* SMP safe, global irq locking makes it work. */ sys_tz = *tz; update_vsyscall_tz(); if (firsttime) { @@ -173,12 +172,7 @@ int do_sys_settimeofday(const struct tim } } if (tv) - { - /* SMP safe, again the code in arch/foo/time.c should - * globally block out interrupts when it runs. - */ return do_settimeofday(tv); - } return 0; }
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