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From: | Richard Henderson |
Subject: | Re: [Qemu-ppc] [PATCH RFC v1 2/3] cputlb: handle first atomic write to the page |
Date: | Thu, 6 Apr 2017 08:54:30 -0700 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.8.0 |
On 04/06/2017 03:22 AM, Nikunj A Dadhania wrote:
In case where the conditional write is the first write to the page, TLB_NOTDIRTY will be set and stop_the_world is triggered. Handle this as a special case and set the dirty bit. After that fall through to the actual atomic instruction below. Signed-off-by: Nikunj A Dadhania <address@hidden> --- cputlb.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-)
Reviewed-by: Richard Henderson <address@hidden> r~
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