Re: [PATCH] copy_from_high_bh

On Sun, Jul 08, 2001 at 07:26:01PM +0100, Mark Hemment wrote: > On Sun, 8 Jul 2001, Linus Torvalds wrote: > > On Sun, 8 Jul 2001 [EMAIL PROTECTED] wrote: > > > > > > mm/highmem.c/copy_from_high_bh() blocks interrupts while copying "down" > > > to a bounce buffer, for writing. > > > This functi

Re: [PATCH] copy_from_high_bh

On Sun, 8 Jul 2001, Linus Torvalds wrote: > On Sun, 8 Jul 2001 [EMAIL PROTECTED] wrote: > > > > mm/highmem.c/copy_from_high_bh() blocks interrupts while copying "down" > > to a bounce buffer, for writing. > > This function is only ever called from create_bounce() (which cannot > > be called fr

[PATCH] copy_from_high_bh

Hi, mm/highmem.c/copy_from_high_bh() blocks interrupts while copying "down" to a bounce buffer, for writing. This function is only ever called from create_bounce() (which cannot be called from an interrupt context - it may block), and the kmap 'KM_BOUNCE_WRITE' is only used in copy_from_high_