Linus Torvalds <[email protected]> writes: > > (Yes, the "asm volatile" may do so too, but it's very unclear what the > "volatile" on the asm actually does, so ..) Without the volatile they get completely optimized away :/ [tried that, cost a lot of debugging time -- empty string functions cause a lot of strange side effects] -Andi - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
- Follow-Ups:
- Re: [PATCH 6/8] i386: bitops: Don't mark memory as clobbered unnecessarily
- From: Linus Torvalds <[email protected]>
- Re: [PATCH 6/8] i386: bitops: Don't mark memory as clobbered unnecessarily
- References:
- [PATCH 0/8] i386: bitops: Cleanup, sanitize, optimize
- From: Satyam Sharma <[email protected]>
- [PATCH 6/8] i386: bitops: Don't mark memory as clobbered unnecessarily
- From: Satyam Sharma <[email protected]>
- Re: [PATCH 6/8] i386: bitops: Don't mark memory as clobbered unnecessarily
- From: Nick Piggin <[email protected]>
- Re: [PATCH 6/8] i386: bitops: Don't mark memory as clobbered unnecessarily
- From: Satyam Sharma <[email protected]>
- Re: [PATCH 6/8] i386: bitops: Don't mark memory as clobbered unnecessarily
- From: Nick Piggin <[email protected]>
- Re: [PATCH 6/8] i386: bitops: Don't mark memory as clobbered unnecessarily
- From: Trent Piepho <[email protected]>
- Re: [PATCH 6/8] i386: bitops: Don't mark memory as clobbered unnecessarily
- From: Linus Torvalds <[email protected]>
- [PATCH 0/8] i386: bitops: Cleanup, sanitize, optimize
- Prev by Date: Re: 2.6.23-rc1: BUG_ON in kmap_atomic_prot()
- Next by Date: Re: RFC: CONFIG_PAGE_SHIFT (aka software PAGE_SIZE)
- Previous by thread: Re: [PATCH 6/8] i386: bitops: Don't mark memory as clobbered unnecessarily
- Next by thread: Re: [PATCH 6/8] i386: bitops: Don't mark memory as clobbered unnecessarily
- Index(es):
 |